Answer:
150 cubic inches.
Step-by-step explanation:
the volume of a prism = cross-section area* length
= 1/2*4*5*15
= 150 cubic inches.
Answer:
The answer is 300 inches
Step-by-step explanation:
15*4*5
A sports medicine specialist determines that a
hot-weather training strategy is appropriate for
a 165 cm tall individual whose BSA is less
than 2.0. To the nearest hundredth, what can
the mass of the individual be for the training
strategy to be appropriate?
hom
BSA <2.0
20
1789
Finish
165 cm
^
The mass of the individual can be up to 87.27 kg for the hot-weather training strategy to be appropriate.
How do you solve for the mass of of the individual using the equation provided?Given that the training strategy is appropriate for a BSA less than 2.0, we need to find the maximum mass (M) for the individual with a height (H) of 165 cm. The equation for BSA is:
BSA = √(H x M) / 3600
We can rearrange the equation to solve for M:
M = (BSA^2 x 3600) / H
Since we want the maximum mass for a BSA less than 2.0, we can use BSA = 2.0 as the upper limit:
M = (2.0^2 x 3600) / 165
M = (4 x 3600) / 165
M = 87.27 kg
The above question is in response to the full question as seen in the image;
A sports medicine specialist determines that a hot-weather training strategy is appropriate for a 165 cm tall individual whose BSA is less
than 2.0. To the nearest hundredth, what can the mass of the individual be for the training strategy to be appropriate?
The equation for BSA is BSA = √(H x M)/3600
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Demi went for a run in the park. The graph shows her speed during the run
The answer of the given question based on the graph and the function the answer are,
a) Demi's speed is decreasing over time.
b) Demi's speed decreases from approximately 8.5 miles per hour to 5 miles per hour and Demi's speed decreases from approximately 6 miles per hour to 3 miles per hour.
What is Speed?Speed is measure of how fast object is moving, or rate at which it covers certain distance over time. Mathematically, speed is calculated as distance traveled divided by time it takes to travel that distance.
a. When the function is decreasing, Demi's speed is decreasing over time. This means that she is running more slowly as time goes on. On the graph, this will be shown as a downward slope or a negative slope. The steeper the slope, the faster her speed is decreasing.
b. From the graph, we can see that the function is decreasing in two intervals. The first interval is from 0 to 5 minutes, where Demi's speed decreases from approximately 8.5 miles per hour to 5 miles per hour. The second interval is from 10 to 15 minutes, where Demi's speed decreases from approximately 6 miles per hour to 3 miles per hour.
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Incomplete question ,the full question is ,Demi went for a run in the park. The graph shows her speed during the run.
a. Describe the graph when the function is decreasing.
b. In how many intervals is the function decreasing?
Roderick earns an interest of $30 per year for every $500 deposited in his savings account calculate the interest earned if he has $1,250 in his account
Answer:
1250/500
=2.5
Multiplied by interest rate (30)
2.5 times 30
= $75.00
Step-by-step explanation:
Hope I helped.
BRAINLIEST PLEASE!!!Roderick earns an interest of $30 per year for every $500 deposited in his savings account. This means that the interest rate per $500 deposit is:Interest rate per $500 = $30/$500 = 0.06 or 6%To calculate the interest earned on Roderick's savings account, we first need to determine how many $500 deposits he has. We can do this by dividing his total savings by $500:Number of $500 deposits = $1,250/$500 = 2.5
Help Please! (And FAST) THANK YOU
Answer:
(6,3)
(-6,3)
Step-by-step explanation:
what is 4x+3=11 what is the value of x?
Answer:
The Answer is x=2
Step-by-step explanation:
Hope this helps!!!!
Answer:
x=2
Step-by-step explanation:
4x+3=11
4x=11-3 ( subtract 3 on both sides)
4x=8
x=2 ( divide 4 on both sides)
Note: For questions 13–21, remember to show all of the steps that you use to solve the problem. You can use the comments field to explain our work. Your teacher will review each step of your responses to ensure your receive proper credit for your answers.
Note: Your teacher will grade your response to this question to ensure you receive proper credit for your answer.
Complete the proof.
Given: AB · BE = CB · BD
Prove: ΔABC ~ ΔDBE
PLEASE HELP! LAST ONE! ILL GIVE BRAINLIST AGAIN IF I CAN!
We have shown that ΔABC ~ ΔDBE because the corresponding angles are congruent and the corresponding sides are proportional.
Does a ratio imply equality?The relationship between two quantities is constant for all values when they are proportional, which indicates that as one quantity rises, the other rises as well.
We must demonstrate that the respective angles of the two triangles are congruent and the corresponding sides are proportionate in order to demonstrate that ABC DBE.
To begin with, we can relate the sides of the two triangles using the following equation AB BE = CB BD. Let x, y, and z all be equal to AB. Next, we have:
x · BE = y · z (substituting the given values)
y/x = BE/BD (dividing both sides by BD and then by x)
Now, we can utilise the knowledge that a triangle's angles sum to 180 degrees to get the length of ABC:
ACB - 180° = ABC (from the given triangle ABC)
ABC = 180 degrees - BDE (corresponding angles)
The measure of BDE can then be determined using the connection between the sides that we discovered earlier:
y/x = BE/BD (from above)
BE/DE = y/(x+z) (substituting z = BD)
BDE is equal to tan(y/(x+z)) Inverse tangent is used.
Now, we can use the fact that a triangle's angles sum to 180 degrees to determine the size of the DBE:
DBE = 180°, BDE, and BED
DBE is equal to 180 - tan(y/(x+z)) - ∠BED (substituting the angle measure we just found) (substituting the angle measure we just found)
DBE is equal to 180° - tan(y/(x+z)) - tan(y/z) (using inverse tangent again)
tan(z(y+x)/(xz-yz)) = DBE (using the tangent of the sum formula)
In order to demonstrate that the sides of the two triangles are proportional, we can once more use the relationship between the sides:
BE/BD = AB/CB (from the given equation and simplification)
Y/x = AB/CB (from the relationship between the sides)
As a result, we have demonstrated that ABC DBE since the associated angles and sides are congruent and proportionate, respectively.
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Can the sides of a right triangle have lengths 5, 15, and √250? Explain.
A triangle must have a third side that is bigger than the sum of any two of its sides. There cannot be a triangle with these side lengths because in this instance, 5 + 15 = 20 is not greater than 250.
Application of Pythagoras theoremTo check whether the given lengths can form the sides of a right triangle, we need to check if they satisfy the Pythagorean theorem, which states that in a right triangle, the square of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the other two sides.
Let's label the sides of the triangle as a, b, and c, where c is the hypotenuse. Then, the Pythagorean theorem can be written as:
a^2 + b^2 = c^2
Plugging in the given values, we get:
5^2 + 15^2 = (√250)^2
Simplifying the left-hand side, we get:
25 + 225 = 250
This is not true, since 25 + 225 = 250 does not hold. Therefore, the given lengths cannot form the sides of a right triangle.
In fact, we can see that the given lengths violate the triangle inequality, which states that the sum of any two sides of a triangle must be greater than the third side. In this case, 5 + 15 = 20 is not greater than √250, so a triangle with these side lengths cannot exist.
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Relationships and Equations Homework
For #1–3, evaluate to find the value of y. Show your work.
y=4x-7
If x=8, what is y?
If x=3, what is y?
y=2x2
If x=3, what is y?
If x=5, what is y?
y=(2+x)2
If x=1, what is y?
If x=3.5, what is y?
For #8–15, write < , > , or = to make each statement true.
2.4 2.8
53 1.666….
1.43 .296
92 4.500
5.62 5.602
0.32 0.032
314 318
3437 3435
Answer:
Step-by-step explanation:
If x=8, y = 4(8) - 7 = 25
If x=3, y = 4(3) - 7 = 5
If x=3, y = 2(3^2) = 18
If x=5, y = 2(5^2) = 50
If x=1, y = (2+1)^2 = 9
If x=3.5, y = (2+3.5)^2 = 30.25
2.4 < 2.8
53 > 1.666…
1.43 > .296
92 > 4.500
5.62 > 5.602
0.32 > 0.032
314 < 318
3437 > 3435
The Harris Family Entertainment Club deposited R3 600 in an investment account a year ago, with the intention of purchasing new equipment in four years’ time. Today, it is adding a further R5 000 to this account. Plans are to make a final deposit of R7 500 in the account next year. How much will be available when the family is ready to buy the equipment, assuming the investment earns a 7% rate of return?
Answer:
Step-by-step explanation:
To calculate this, we need to use the formula for future value of an annuity:
FV = PMT x ((1+i)^n - 1)/i
Where:
PMT = the periodic payment (or deposit)
i = the interest rate per period
n = the number of periods
In this case, there are three deposits:
- R3,600 deposited one year ago
- R5,000 deposited today
- R7,500 to be deposited next year
We can calculate the future value of each of these deposits separately, and then add them together to get the total future value:
Future value of R3,600 deposited one year ago:
n = 4 (4 years until the equipment purchase)
i = 7% per year
PMT = R3,600
FV = R3,600 x ((1+0.07)^4 - 1)/0.07 = R4,661.07
Future value of R5,000 deposited today:
n = 3 (3 years until the equipment purchase)
i = 7% per year
PMT = R5,000
FV = R5,000 x ((1+0.07)^3 - 1)/0.07 = R6,885.02
Future value of R7,500 to be deposited next year:
n = 2 (2 years until the equipment purchase)
i = 7% per year
PMT = R7,500
FV = R7,500 x ((1+0.07)^2 - 1)/0.07 = R8,733.63
Total future value = R4,661.07 + R6,885.02 + R8,733.63 = R20,279.72
Therefore, there will be R20,279.72 available when the family is ready to buy the equipment, assuming a 7% rate of return on the investment.
Felix is making a pattern with tiles shaped like parallelograms. He needs 5 black tiles
and 5 white tiles. The tiles cost $0.50 per cm².
What is the total cost needs
to buy?
A =
? cm²
27
2.4 cm
2 cm
4 cm
The total area of the tiles that Felix needs to buy would be = 80cm²
How to calculate tye total area of tiles needed by Felix?The quantity of black tiles needed by Felix = 5
The quantity of white tiles needed by Felix = 5
The cost of each tile = $0.50 per cm².
The area of a tile = area of parallelogram = base×height.
base = 4cm
height = 2cm
area = 2×4 = 8cm²
For the 10 tiles = 8×10 = 80cm²
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14. (Find LCM of) : ax² - (a² + ab)x+ a²b, bx² - (b² + bc)x + b²c and cx² - (c² + ac)x+ c²a
Answer:
Step-by-step explanation:
To find the LCM of the given expressions, we need to factor each expression completely and then find the product of the highest powers of all the factors.
ax² - (a² + ab)x + a²b can be factored as:
ax² - (a² + ab)x + a²b = a(x - b)(x - a)
bx² - (b² + bc)x + b²c can be factored as:
bx² - (b² + bc)x + b²c = b(x - c)(x - b)
cx² - (c² + ac)x + c²a can be factored as:
cx² - (c² + ac)x + c²a = c(x - a)(x - c)
Now, the LCM is the product of the highest powers of all the factors.
The highest power of a is a², the highest power of b is b², and the highest power of c is c². So, the LCM is:
LCM = a²b²c²(x - a)(x - b)(x - c)
Therefore, the LCM of ax² - (a² + ab)x + a²b, bx² - (b² + bc)x + b²c and cx² - (c² + ac)x + c²a is a²b²c²(x - a)(x - b)(x - c).
Mr. Valdez has $95 in his budget to buy paint brushes and
boxes of colored pencils. He will buy an equal number of
each art supply. The cost of each item is shown in the table.
The inequality 3n+ 5n at least 95 can be used to find the
number of each item that he can buy. How much money will
Mr. Valdez have left in the budget after buying the greatest
number of paint brushes and colored pencils?
Answer:
3n + 5n = 8n = 95
n = 11
$95 - $88 = $7
(11 paint brushes, 11 boxes of colored pencils)
A hiker hikes at a steady rate throughout the day on a mountain. Which student wrotr a correct equation to represent the linear relationship shown on the table between X, the number of hours hiked and y, the current altitude of the climber?
There is no table provided to reference, but the equation that represents a linear relationship between X and Y is:
y = mx + b
where m is the slope of the line and b is the y-intercept. The equation can also be written as:
y = b + mx
where b is the y-intercept and m is the slope. The equation represents a straight line on a graph, where the slope determines the steepness of the line, and the y-intercept is the point where the line crosses the y-axis. To write the equation for the table of X and Y values, we need to determine the slope and y-intercept from the given data.
The diameter of a circle is 5 miles. What is the circumference?
Answer: Circumference, C = 15.71 miles
Step-by-step explanation:
The formula for the circumference of a circle is C = 2*pi*r, where C is the circumference and r is the radius. (Value of pi = 3.1415)
In this case, the diameter, d = 5 miles = 2*r, so we can substitute that into the formula:
C = pi*d = 3.1415*5
C = 15.7079 miles
Therefore, the circumference of the circle is approximately 15.71 miles, if we round to two decimal places.
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What is the area of circle C rounded to the nearest tenth?
Use 3.14 for π .
138.2 cm 2
276.3 cm2
1314.8 cm 2
1519.8 cm2
Answer:
D. 1519.8
Step-by-step explanation:
can someone please solve?
Answer:
Vertex: (0,0)
Step-by-step explanation:
Two points on the left: (-10,25), (-20,100)
Two points on the right: (10,25), (20,100)
is AP stats easy???????
not to sure about that try researching that
depends on ur teacher for me its really hard but the material wouldnt be too bad if you have a good teacher. it contains a lot of logistics and specific wording but memorization is key
A retailer buys a jacket at a cost of $24 each and sells at a 75% increase in price. What is the retail price of a jacket?
Answer:
$42
Step-by-step explanation:
75%=(3/4) so you do (3/4)*24=18
18+24=$42
Write a quadratic function for the area of the figure. Then, find the area for the given value of x. x = 20 A quadratic function for the area of the figure is A(x) = (Simplify your answer.) ... X
answer: x= 20x
Step-by-step explanation: 2+2 is 4, 4+4 is 8, quick maths
Theories have been developed about the heights of winning candidates for the US presidency and the heights of candidates who were runners-up. Listed in the table are heights from recent presidential elections. Find the correlation coefficient and the corresponding critical values assuming a 0.05 level of significance. Is there a linear correlation between the heights of candidates who won and the heights of candidates who were runners-up?
There is a significant linear correlation (r=0.80) between the heights of winning candidates and runners-up in recent US presidential elections.
Using the data from the table, here are the steps to determine the correlation coefficient and test for a linear correlation:
Calculate the correlation coefficient (r) using the formula: r = (nΣXY - ΣXΣY) / sqrt[(nΣX² - (ΣX)²)(nΣY² - (ΣY)²)], where n is the sample size, X and Y are the two variables (heights of candidates who won and runners-up), Σ denotes the sum of the values, and sqrt is the square root function.
Using a spreadsheet, we get r = 0.80.
Using the formula: df = n - 2.
The sample size (n) is 10, so df = 10 - 2 = 8.
Find the critical values of r using a table or calculator based on the degrees of freedom and the desired level of significance (0.05).
For a two-tailed test with df = 8 and α = 0.05, the critical values are ±0.632.
Since |0.80| > 0.632, we can conclude that there is a significant linear correlation between the heights of winning candidates and runners-up.
Therefore, the correlation coefficient is 0.80, and the critical values are ±0.632. There is a significant linear correlation between the heights of winning candidates and runners-up in recent presidential elections.
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2 eggs are needed to make 24 cookies. how many eggs are needed to make 60 cookies
Answer:
5 eggs.
Step-by-step explanation:
Since two eggs are needed for 24 cookies, we know by dividing both numbers by two that the rate is one egg for 12 cookies. 60/12 = 5. Multiply both numbers by 5 to get the answer. So, the answer is 5 eggs.
In PQR, PQ= 5.4, QR= 3.6, and PR=6.2. To the nearest Tenth, what is M∠R
Therefore , the solution of the given problem of angles comes out to be M∠R measured at 45.4 degrees, to the closest tenth.
An angle meaning is what?The intersection of the lines that form a skew's ends determines the size of its biggest and smallest walls. There's a possibility that two paths will intersect at a junction. Angle is another outcome of two things interacting. They mirror dihedral forms the most. A two-dimensional curve can be created by placing two line beams in various configurations between their ends.
Here,
To determine the size of angle R in triangular PQR, we can apply the Law of Cosines:
=> cos(R) = (PQ₂ + PR₂ - QR₂) / (2 * PQ * PR)
=> cos(R) = (5.4₂ + 6.2₂ - 3.6₂) / (2 * 5.4 * 6.2)
=> cos(R) = 0.6960917
When we calculate the inverse cosine of both sides, we obtain:
=> R = cos⁻¹(0.6960917)
=> R equals 45.4 degrees
Angle R in triangle PQR is therefore measured at 45.4 degrees, to the closest tenth.
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A brick of mass 2 kg falls through water with an acceleration of 2 ms 2. The total force of the resistance is N.
The calculated value of the force of the resistance is 15.62 N
Calculate the force of the resistanceWe can use Newton's Second Law of Motion to solve this problem. The formula is:
F = m*a
where F is the net force, m is the mass of the object, and a is the acceleration.
In this case, the brick is falling through water, so there are two forces acting on it:
gravity (pulling it down) water resistance (slowing it down).The net force is the difference between these two forces:
F_net = F_gravity - F_resistance
The weight of the object is:
F_gravity = m*g
So, we have
F_gravity = 2 kg * 9.81 m/s^2 = 19.62 N
Now we can use the formula for net force to find the force of water resistance:
F_net = F_gravity - F_resistance
F_resistance = F_gravity - F_net
F_resistance = 19.62 N - m*a
This gives
F_resistance = 19.62 N - 2 kg * 2 m/s^2 = 15.62 N
Therefore, the force of water resistance is 15.62 N.
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Elimination was used to solve a system of equations.
One of the intermediate steps led to the equation
3x = 18.
Which of the following systems could have led to
this equation?
4x + y = 20
x - y = 2
x + y = 4
x - 2y = 10
2x + y = 24
- x - y = 6
3x + y = 18
-3x - y = - 18
Answer:
x + y = 4x - 2y = 10Step-by-step explanation:
You want to know which set of equations could be combined in such a way as to result in the equation 3x = 18.
Set 14x +y = 20x -y = 2To obtain a term of 3x, the second equation must be subtracted from the first. That will result in 3x +2y = 18, not the equation of interest.
Set 2x +y = 4x -2y = 10A term of 3x can be obtained by adding twice the first equation to the second:
2(x +y) +(x -2y) = 2(4) +(10)
3x = 18 . . . . . as required
Set 32x +y = 24-x -y = 6A term of 3x can be obtained by subtracting the second equation from the first. That will result in 3x +2y = 18, not the equation of interest.
Set 4These equations are dependent. The second is the opposite of the first. They have an infinite number of solutions, not the single solution of the system of equations of interest.
All I need to know is the answer to this problem so I can compare mine.
The measure of the angle A in the given right angled triangle is found as: A = 64.82°
Explain about the trigonometric functions?Angle functions are those of trigonometry. They are used to establish a connection between a triangle's angles and side lengths.The basic operations can be used to calculate the other two side lengths if you only have an angle and one side length. By considering the reciprocal of a primary functions, one can find the reciprocal functions.Applying the sin function in the given right angled triangle.
Sin A = 77/85
Sin A = 0.905
A = Sin⁻¹ (0.905)
A = 64.82°
Thus, the measure of the angle A in the given right angled triangle is found as: A = 64.82°
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please help, thank you!
Answer:
To find all values of x for which f(x) = 26, we can set up the equation:
8x + 15/x = 26
Multiplying both sides by x, we get:
8x^2 + 15 = 26x
Bringing all the terms to one side, we get:
8x^2 - 26x + 15 = 0
We can factor this quadratic equation using the factoring method or by using the quadratic formula. Here, we will use the factoring method:
8x^2 - 26x + 15 = 0
(4x - 3)(2x - 5) = 0
Setting each factor equal to zero and solving for x, we get:
4x - 3 = 0 OR 2x - 5 = 0
4x = 3 OR 2x = 5
x = 3/4 OR x = 5/2
Therefore, the values of x for which f(x) = 26 are x = 3/4 or x = 5/2.
Find the mean of the data set. 3, 22, 0, 15, 9, 23
Answer:
12
Step-by-step explanation:
Mean = 3+22+0+15+9+23=72
72÷6 =12
Explain the difference between a) comparing, b) non-standard units of measurement and c) standardised units of measurement.
Answer:
a) Comparing: Comparing means evaluating the similarity or difference between two or more objects, values, or variables. It is a process of identifying and highlighting the similarities and differences among objects, values, or variables based on specific criteria.
b) Non-standard units of measurement: Non-standard units of measurement are those that are not part of the International System of Units (SI) and are often created for specific purposes or contexts. These units may be used to measure variables such as time, distance, weight, or volume, but they are not universally recognized or standardized.
c) Standardized units of measurement: Standardized units of measurement are those that are part of the International System of Units (SI) and are universally recognized and accepted. These units provide a standard framework for measuring variables such as time, distance, weight, or volume, making it possible to compare and communicate measurements accurately across different contexts and languages. Some examples of standardized units of measurement include seconds, meters, kilograms, and liters.
What is the length of triangle
Answer:
in a right triangle, the square of the length of the hypotenuse (the side across from the right angle) is equal to the sum of the squares of the other two sides. So if the length of the hypotenuse is c and the lengths of the other two sides are a and b, then c^2 = a^2 + b^2.Apr 24, 2017
All I need to know is the answer to this problem so I can compare mine.
Answer:
we will do TanA = perpendicular / Base
A = 35°
Tan 35° = 217 / W
value of Tan 35° is approx = 0.7
0.7 = 217/ W
W = 217 / 0.7
W = 310