To calculate seed number, divide the total number of inches available for crop by the in-row crop spacing. For example, 120 inches divided by one inch per pea seed equals 120 pea seeds.
What is seed?In botany, a seed is an undeveloped plant embryo and food reserve encased in a protective outer covering. In a broader sense, "seed" refers to anything that can be sown, such as seed and husk or tuber.
Seeds are formed when a ripened ovule is fertilised by pollen-derived sperm, resulting in a zygote. The embryo develops from the zygote within a seed, forming a seed coat around the ovule and growing to a certain size within the mother plant before growth stops.
The formation of seeds is a stage in the reproduction of seed plants (spermatophytes). Other plants, such as ferns, mosses, and liverworts, lack seeds and must reproduce exclusively through water.
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Jessie and his family drove up to a picnic area on a mountain. In the morning, they followed a trail that led to the mountain summit, which was 2,000 feet above the picnic area. They then returned to the picnic area for lunch. After lunch, they hiked on a trail that led to the mountain overlook, which was 3,500 feet below the picnic area. On the number line below the location of the Picnic Area, P, is represented by the value 0; the Mountain Summit, S, is represented by the value 2,000; and the Mountain Overlook, O, is represented by the value, -3,500. O P S Write the absolute value of the elevation of the Mountain Summit and Mountain Overlook Below. Mountain Summit: |2,000| = Mountain Overlook: |-3,500| =
Answer:
i. 2000 ii. 3500
Step-by-step explanation:
Since the absolute value of a number x, |x| = x if x > 0 and |x| = -x if x < 0,
i. Absolute value of Mountain Summit
Since the Mountain Summit elevation, x = 2000 - 0 = 2000, its absolute value = |2000| = 2000
ii. Absolute value of Mountain Overlook
Since the Mountain Summit elevation, x = -3500 - 0 = -3500, its absolute value = |-3500| = -(-3500) = 3500
If you know the answer to this question please help!! ASAP
7th grade Math
Answer:
22°
Step-by-step explanation:
a right angle have 90°
So
x+68°=90°
=>x=90-68
=22°
Is there a triangle whose sides have length 10.2 cm 5.8 cm and 4.5 cm justify the answer?
Yes, a triangle whose sides have lengths 10.2 cm, 5.8 cm and 4.5 cm is possible.
As we know if these sides form a triangle, then
the sum of two sides > the third side
Now, the sum of 10.2 cm and 5.8 cm = 16 cm > 4.5 cm
The sum of 5.8 cm and 4.5 cm = 10.3 cm > 10.2 cm
The sum of 10.2 cm and 4.5 cm = 14.7 cm > 5.8 cm
Here the sum of the two sides is greater than the third side in all three cases.
Therefore a triangle whose sides are 10.2 cm, 5.8 cm and 4.5 cm is possible.
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Find the area of the shaded regions. give your answer as a completely simplified exact value in terms of π
The area of the shaded regions is 4π + 4, which can be obtained by subtracting 2π - 4 from 3π. This is an exact value, with no further simplification required.
Step 1: Calculate the area of the entire circle.
A = πr^2
A = π(5)^2
A = 25π
Step 2: Calculate the area of the unshaded region.
A = πr^2
A = π(2)^2
A = 4π
Step 3: Subtract the area of the unshaded region from the area of the entire circle.
A = 25π - 4π
A = 21π
Step 4: Calculate the area of the shaded region.
A = 21π - (2π - 4)
A = 21π - 2π + 4
A = 19π + 4
A = 4π + 4
The area of the shaded regions can be found by subtracting the area of the unshaded region from the area of the entire circle. To find the area of the entire circle, we use the formula A = πr^2, where r is the radius of the circle. Plugging in r = 5, we get A = 25π. To find the area of the unshaded region, we use the same formula, but now with r = 2. This gives us A = 4π. Subtracting the area of the unshaded region from the area of the entire circle gives us A = 21π. We then subtract 2π - 4 from 21π to get the area of the shaded region, which is 4π + 4. This is an exact value, with no further simplification required.
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Identify the graph of y + 11 <3(x+2).
This is on big ideas math
(The top right is wrong)
For given inequality, graph number 3 is correct.
What does a math inequality mean?In mathematics, "inequality" refers to a relationship between two expressions or values that is not equal to each other. Therefore, inequality results from a lack of balance.
How is an inequality calculated?Make use of the following steps to solve an inequality: Step 1: Remove fractions by multiplying all terms by the fractions' lowest common denominator. Step 2 Combine like terms on both sides of the inequality to simplify. Step 3 Obtain the unknown on one side and the numbers on the other by adding or subtracting quantities.
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DUE SUN HELP ASAP BRAINIEST
A toolbox contains 36 screwdrivers and hammers. There are three times as many hammers as screwdrivers.
Write a system of linear equations that represent this situation.
How many hammers are in the toolbox?
How many screwdrivers are in the toolbox?
Answer: There are 108 hammers, and there are 36 screwdrivers. 36×3=108·
Step-by-step explanation: We know that there are more hammers than screwdrivers, so there are 36 screwdrivers but there are 3 times as many hammers so we multiply 36 by 3 to get 108.
Use technology or a z-distribution table to find the indicated area.
The masses of the eggs collected on a farm are normally distributed with a mean of 55 grams and a standard deviation of 4.2 grams.
Approximately 80% of the eggs on the farm have a mass greater than which mass?
51.5 g
54.1 g
55.8 g
58.5 g
Answer:
51.5g or A
I took a test with this question and got it right
Using the normal distribution, it is found that approximately 80% of the eggs on the farm have a mass greater than 51.5 g.
Normal Probability DistributionThe z-score of a measure X of a normally distributed variable with mean [tex]\mu[/tex] and standard deviation [tex]\sigma[/tex] is given by:
[tex]Z = \frac{X - \mu}{\sigma}[/tex]
The z-score measures how many standard deviations the measure is above or below the mean. Looking at the z-score table, the p-value associated with this z-score is found, which is the percentile of X.The mean and the standard deviation are given, respectively, by:
[tex]\mu = 55, \sigma = 4.2[/tex].
Approximately 80% of the eggs on the farm have a mass greater than the 20th percentile, which is X when Z = -0.84, hence:
[tex]Z = \frac{X - \mu}{\sigma}[/tex]
[tex]-0.84 = \frac{X - 55}{4.2}[/tex]
X - 55 = -0.84 x 4.2
X = 51.5 g.
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Instructions: Find the missing length indicated.
I NEED HELP, NO LINKS PLEASE
can you explain please
Answer:
136
Step-by-step explanation:
First you need to know that there are 2 triangles in the image.
One triangle (the smaller one) has sides that measure 119 (the side) and 56 (the bottom).
The other triangle (the bigger one) has sides that measure 119 + ? (the side) and 120 (the bottom).
Let's replace the 119 + ? with an x so that the entire side length of the big triangle measures x.
1. Make a proportion using ratios. For the ratios of each triangle, we can do side over bottom lengths and then set them equal to each other.
119 = x sides
56 120 bottoms
2. You can cross multiply, or just solve for x.
119*120= 14280
14280/56= 255
3. Then subtract the total length minus 119 to find the question mark
255 - 119 = 136
Find the value of each variable in the following parallelograms.
Answer:
x = 15
y = 7.5
Step-by-step explanation:
✔️Diagonals of a parallelogram bisect each other at 90°.
Therefore,
2x° + 60° + 90° = 180° (sum of triangle)
Solve for x
2x + 150 = 180
2x = 180 - 150
2x = 30
2x/2 = 30/2
x = 15
✔️2x = 4y (alternate angles/corresponding angles)
Plug in the value of x
2(15) = 4y
30 = 4y
30/4 = y
7.5 = y
y = 7.5
please help me with this. We only need to solve number 3 and I really don’t understand it
Answer:
Step-by-step explanation:
you will take the number from one dice and the number from the other dice and simply add them together. so if one dice equals 4 and the other is 1 you would lay it out as 4+1=5 hope this helps
How do you solve 3 composite functions?
To solve 3 composite functions, you would need to break each function down into its individual components. Then, you would need to combine each component one at a time, starting with the outermost function and working your way inwards.
1. Break each function down into its individual components. This may involve splitting them into simpler functions such as polynomials, exponentials, trigonometric functions, and so on.
2. Start with the outermost function and combine each component one at a time. Make sure to apply the order of operations to each step in order to get the correct result.
3. Evaluate the combined function. This means solving for the output of the function, which may involve plugging in values for certain variables.
4. Repeat the same process for the other two functions.
5. When you have evaluated all three functions, you can combine the results of each to get the answer to the composite functions.
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Find the area of the polygon with vertices P(5,-1), Q(-1,-4), R(-3,1), and S(0,3). If necessary, round
to the nearest tenth.
Answer:
14.3 sq units
Step-by-step explanation:
this shape is a trapezoid so we need to find height and each parallel base
to find height we can take the midpoint of RS and the midpoint of QP and then find the distance between each midpoint
midpoint of RS = (-3/2,2)
midpoint of QP = (2,-5/2)
distance between the two is 16/2 or 8
d(RS) = √2²+3² = [tex]\sqrt{13}[/tex]
d(QP) = √3²+6² = √45 = [tex]\sqrt{9}[/tex][tex]\sqrt{5}[/tex] or 3[tex]\sqrt{5}[/tex]
put values into the formula for area:
A = 1/2(8) + ([tex]\sqrt{13}[/tex] + 3[tex]\sqrt{5}[/tex])
A = 4 + ([tex]\sqrt{13}[/tex] + 3[tex]\sqrt{5}[/tex])
A ≈ 14.3
A tudent council ell 48 badge for $432. Which equation repreent the relationhip of x badge to y dollar
The equation that represents the relationship of x number of badges to y dollars is y = 9x.
What is an equation?
A mathematical statement called an equation displays the equality of two mathematical expressions. Variables, coefficients, exponents, arithmetic operators, equal signs, and constants are some of the components that make up an equation.
An equation is said to be linear if the maximum power of the variable is consistently 1.
Let the number of badges be x and the cost of x number of badges be y.
From the question, we know that for 48 badges, the cost is $432.
So the cost of one badge = 432/48 = $9
Now the cost of x number of badges = $(9x)
We mentioned in the beginning that the cost of x number of badges is y
Therefore the equation that represent the relationship of x badge to y dollars is,
y = 9x
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need help fast !!!!!
Answer:
25.5
Step-by-step explanation:
Each year the tree grows by 6 inches.
Answer:
26
Step-by-step explanation:
The increase per year is 6.5 which can be derived by subtracting the first year from the second year:
13-6.5=6.5
then subtracting the second year from the third to confirm
19.5-13=6.5
So now we know the increase all we do is add:
19.5+6.5=23
Method 2: A slightly more complicated method of solving is via a linear equation which in this scenario is Hⁿ=6.5N (the n means the nth term) and then we plug 4 into it to get Hⁿ=26
Parallelogram MNPQ was dilated to create parallelogram M'N'P'Q'. On a coordinate plane, 2 parallelograms are shown. Parallelogram M N P Q has points (2, negative 2), (4, negative 2), (3, negative 3), and (1, negative 3). Parallelogram M prime N prime P prime Q prime has points (5, negative 5), (10, negative 5), (8, negative 7), and (3, negative 7). Which statements are true about the parallelograms?
Which statements are true about the parallelograms? Check all that apply.
The length of side MN is 2 units.
The length of side M'N' is 5 units.
The image is smaller than the pre-image.
Sides MQ and M'Q' both have the same slope, 1.
The scale factor is 2/5
Parallelogram M'N'P'Q' is larger than parallelogram MNPQ because MN and M'N' have lengths of 2 and 5 respectively, and parallelogram MNPQ is dilated by a factor of 5/2 to give parallelogram M'N'P'Q'.
What is parallelograms?A parallelogram is a straightforward quadrilateral in Euclidean geometry that has two sets of parallel sides. In a particular kind of quadrilateral known as a parallelogram, both sets of opposite sides are parallel and equal. There are four different kinds of parallelograms, including three unique kinds. Parallelograms, squares, rectangles, and rhombuses are the four different shapes. Having two sets of parallel sides makes a quadrilateral a parallelogram. In a parallelogram, the opposing sides and angles are both the same length. On the same side of the horizontal line, the interior angles are additional angles as well. 360 degrees is the total number of interior angles.
To make parallelogram M'N'P'Q, parallelogram MNPQ was enlarged.
Points include M(2, 2), N(4, 2), P(3, 3), and Q. (1,-3)
M'(5, 5), N'(10, 5), P'(8, 7), and Q' (3,-7)
A) First, determine Minnesota's length:
|MN| = 2
|M'N'| = 4
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Please help me!
When y decreases, x increases is an example of indirect variation.
True or false
Answer:
False
Step-by-step explanation:
Since it is a "one for one" deal, it would be direct variation as one varible is directly effecting another.
Which one doesn't belong? Which triangle does not belong with the other 3? Explain your reasoning
Is 7th interval perfect?
7th interval is not perfect
7th interval is not perfect
A (real) interval in mathematics is a collection of real numbers that includes all real numbers that fall within any two of the collection's numbers. For instance, the interval containing 0, 1, and all integers in between is the set of values x satisfying 0 ≤ x ≤1. The group of numbers such that 0 < x< 1 and the group of all real numbers are other examples of intervals.
the empty set, any singleton, the set of positive real numbers, the set of nonnegative real numbers, and (set of one element).
Real intervals are the simplest sets whose "length" (or "measure" or "size") is straightforward to define, making them significant in the theory of integration. The Borel measure and ultimately the Lebesgue measure can subsequently be produced by applying the concept of measure to more intricate sets of real numbers.
Interval arithmetic is a broad numerical computing method that automatically generates assured enclosures for all formulas, even in the presence of errors, approximations in mathematics, and arithmetic roundoff.
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What is the measure of ∠L?
Enter your answer in the box. Round only your final answer to the nearest hundredth.
m∠L= °
====================================================
Explanation:
We set up a cosine ratio, since we want to connect the adjacent and hypotenuse. Then we'll use the inverse cosine, which is also known as arccosine, to isolate the angle value.
This is what your steps could look like:
cos(angle) = adjacent/hypotenuse
cos(L) = LM/LN
cos(L) = 18/60
cos(L) = 0.3
L = arccos(0.3)
L = 72.542396876278 which is approximate
L = 72.54 degrees approximately
Make sure your calculator is in degree mode.
In the diagram below, AB = 15, DB = 6, BC = 8, and
mZB = 90°. What is the perimeter of triangle ADC?
Answer:
B 36
Step-by-step explanation:
DC^2=6^2+8^2. AD=9cm DB=6cm
DC^2=36+64
DC^2=100
DC=√100
DC=10cm
AC^2=15^2+8^2
AC^2=225+64
AC^2=289
AC=√289
AC=17
P OF TRIANGLE ADC=10+9+17
=36cm
If the area of Square 3 is 80cm and the area of square 2 is 100cm, what is the area of square1
The area of square 1 is 180 sq cm
What is the area of square?The area of a square is calculated with the help of the formula: Area = s × s, where, 's' is one side of the square. Since the area of a square is a two-dimensional quantity, it is always expressed in square units
Square 1 formed on hypotenuse of the triangle, squares 2 and 3 are formed on the perpendicular legs of the triangle. Thus, by Pythagoras Theorem, A(square 1) will be equal to the sum of the areas of (square 2) and (square 3).
Area of square 1 = Area of square 2 + Area of square 3
Area of square 1 = 100 + 80
Area of square 1 = 180cm^2
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There are 2 pitchers of iced tea. The iced tea in the 1st one was made with 4 tea bags and 1.25 quarts of water. The iced tea in the second pitcher was made with 5 tea bags and 2 quarts of water. Which pitcher has a higher concentration of tea? Why?
Answer:
Pitcher 2
Step-by-step explanation:
Pitcher 1 = 4 x 1.25 = 5ml concentration
Pitcher 2 = 5 x 2 = 10ml concentration
therefore, pitcher 2 has more concentration :)
hope this helped
a biologist is studying the growth of a particular species of algae. she writes the following equation to show the radius of the algae, f(d), in mm, after d days: f(d)
The y intercept of the graph of the function f(d) indicates f(d) = 11 and the average rate of change of the function f(d) from d = 2 to d = 7 is 0.114, making 6.97 a reasonable domain to depict the growth function.
What is meant by equation ?The definition of an equation in algebra is a mathematical statement that proves two mathematical expressions are equal.
An equation is a mathematical expression with two equal sides and an equal sign in between. An equation is a mathematical statement proving the equality of two numbers or values.
Equations can be categorized as either identities or conditional equations. For each value of the variables, an identity holds true. Only specific values of the variables make a conditional equation true. An equals symbol ("="), separating two expressions, is used to represent an equation.
Part A:
11.79 = 11(1.01[tex])^d[/tex]
substitute the values in the above equation, we get
[tex]$$& (1.01)^d[/tex] = 11.79 / 11
simplifying the equation, we get
[tex]$$& (1.01)^d[/tex] = 1.071818
d = log 1.071818 / log 1.01
The value of d = 6.97
Part B:
y-intercept is obtained when domain = 0
[tex]$& d=0 \Rightarrow f(0)=11(1.01)^0=11 \times 1=11 \\[/tex]
f(d) = 11
Part C:
Average rate of change,
[tex]$\Delta \mathrm{f} / \Delta \mathrm{d} & =(\mathrm{f}(7)-\mathrm{f}(2)) /(7-2) \\[/tex]
[tex]$& =\left(11(1.01)^7-11(1.01)^2\right) / 5 \\[/tex]
= 0.57 / 5 = 0.114
The y intercept of the graph of the function f(d) indicates f(d)=11 and the average rate of change of the function f(d) from d=2 to d=7 is 0.114, making 6.97 a reasonable domain to depict the growth function.
The complete question is:
A biologist is studying the growth of a particular species of algae. She writes the following equation to show the radius of the algae, f(d), in mm, after d days:
f(d) = 11(1.01)d
Part A: When the biologist concluded her study, the radius of the algae was approximately 11.79 mm. What is a reasonable domain to plot the growth function? (4 points)
Part B: What does the y-intercept of the graph of the function f(d) represent? (2 points)
Part C: What is the average rate of change of the function f(d) from d = 2 to d = 7, and what does it represent?
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6.97 is an appropriate domain in which to represent the growth function because the y intercept of the graph of the function f(d) suggests that f(d) = 11 and the average rate of change of the function f(d) from d = 2 to d = 7 is 0.114 as studied by biologist.
What do you understand by equation ?A mathematical statement that establishes the equality of two mathematical expressions is the definition of an equation in algebra.
A mathematical expression with two equal sides and an equal sign in the middle is called an equation. A mathematical statement establishing the equality of two numbers or values is called an equation.
Either identities or conditional equations are categories for equations. Each value of the variables corresponds to a specific identity. A conditional equation can only be true for a certain range of variable values. An equation is represented by two expressions being separated by the equals sign ("=").
Part A:
11.79 = 11(1.01
substitute the values in the above equation, we get
[tex](1.01)^{d}[/tex] = 11.79 / 11
simplifying the equation, we get
(1.01)^{0} = 1.071818
d = log 1.071818 / log 1.01
The value of d = 6.97
Part B:
y-intercept is obtained when domain = 0
d = 0
f(0) = 11[tex](1.01^{0} )[/tex] = 11 * 1 = 11
f(d) = 11
Part C:
Average rate of change,
Δf / Δd = (f(7) - f(2)) / 7-2
= 0.57 / 5 = 0.114
The y intercept of the graph of the function f(d) indicates f(d)=11 and the average rate of change of the function f(d) from d=2 to d=7 is 0.114, making 6.97 a reasonable domain to depict the growth function.
The complete question is:
A biologist is studying the growth of a particular species of algae. She writes the following equation to show the radius of the algae, f(d), in mm, after d days:
f(d) = 11(1.01)d
Part A: When the biologist concluded her study, the radius of the algae was approximately 11.79 mm. What is a reasonable domain to plot the growth function? (4 points)
Part B: What does the y-intercept of the graph of the function f(d) represent? (2 points)
Part C: What is the average rate of change of the function f(d) from d = 2 to d = 7, and what does it represent?
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Lin makes her favorite juice blend by mixing cranberry juice with apple juice in the ratio shown on the double number line. complete the diagram to show smaller and larger batches that would taste the same as lin's favorite blend. please
help it's due tomorrow
The ratios on the double line are 3:7, 6:14, 12:28 and 15:35.
What is the ratio?The ratio is defined as the comparison of two quantities of the same units that indicates how much of one quantity is present in the other quantity.
Given that, Lin makes her favorite juice blend by mixing cranberry juice with apple juice in the ratio shown on the double number line.
From the given double line, the ratio is 9:21.
Completed double line has the following ratios
3:7, 6:14, 12:28, 15:35
Therefore, the ratios on the double line are 3:7, 6:14, 12:28 and 15:35.
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14.13
8) Find the area of the shaded region. (use II =
3.14)
28 cm
8 cm
16 cm
9514 1404 393
Answer:
397.76 cm^2
Step-by-step explanation:
The area of the shaded region is the rectangle area less the area of the circle with diameter 8 cm. The area of the rectangle is
A = LW . . . . for length L and width W
The area of the circle is ...
A = π/4d^2 . . . . . for diameter d
Then the shaded area is ...
A = (28 cm)(16 cm) - (π/4)(8 cm)^2 = 448 cm^2 -50.24 cm^2
A = 397.76 cm^2
A file that is 273 megabytes is being downloaded. If the download is 17.5% complete, how many megabytes have been downloaded? Round your answer to the nearest tenth.
Answer:
47.8 MB
Step-by-step explanation:
17.5% = 0.175
273 * 0.175 = 47.775
Rounded
47.8 MB
What is the sum of 5.3 X 10 and 3.8 x 104 in scientific notation?
a) 9.1 x 10^9
b) 9.1 x 10^5
c) 5.68 x 10^5
d) 4.33 x 10^4
PLEASE HELP PICTURE ATTACHED
Answer:
11. ∠5 and ∠7 are corresponding angles
12. ∠1 and ∠8 are alternate exterior angles
13. ∠3 and ∠6 are alternate interior angles
14. ∠6 and ∠7 are consecutive interior angles.
15. ∠1 = 58
∠2 = 122
∠3 = 58
∠5 = 122
∠6 = 58
∠7 = 122
∠8 = 58
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i need full marks for this question pls?
Answer:
one interior angle of octagon is 135 degree because the sum of interior angles of octagon is 1080 degree and when we divide it with the no of sides of octagon i.e. 8 the value of one internal angle should come 135 degree
Step-by-step explanation:
Hope this helps u!!
PLEASE HELP!!!!!! URGENT!!!! sam has proposed an idea for the company truck design.... see screenshot
Answer: do it the idea
Step-by-step explanation:easy