Answer:
185 times
Step-by-step explanation:
Answer:
185 times
Step-by-step explanation:
Just look it up
I need help fast thanks
Answer:
In the explanation
Step-by-step explanation:
a) Multiply the second equation by 2, subtract both lines. You get x = -3. Plug this in to get y, y = -2
b) Multiply the first equation by 2, add both lines. You get x = 8. Plug this in to get y, y = -3
c) Multiply the first equation by 5, subtract both lines. You get y = 1. Plug this in to get x, x = -3
d) Multiply the first equation by 2 and the second one by 3, add both lines. You get x = 1. Plug this in to get y, y = 4
Hope this helps!
3 lemons cost $0.99. At this rate, how much would 8 lemons cost?
Step-by-step explanation:
3 lemons = $0.99
=> 8 lemons = $0.99 * (8/3) = $2.64.
8 lemons cost $2.64.
Answer:
2.64$ for 8 lemons.
Step-by-step explanation:
3 lemons = 0.99$
1 lemon = 0.99/3
= 0.33
Cost for 8 lemons = 0.33 x 8
= 2.64$
Hope this helps !!
Jack is keeping a record of the number of steps he takes each day.
Monday 8 565 steps
Tuesday
Wednesday
14 707 steps
15 323 steps
Thursday 9 788 steps
Friday
12 482 steps
Work out the range of the numbers of steps
Answer:
6758
Step-by-step explanation:
Given the data:
Monday _______ 8565 steps
Tuesday ______ 14707 steps
Wednesday ____ 15323 steps
Thursday ______ 9788 steps
Friday _________12482 steps
The range from the data is :
(Highest value - lowest value)
(15323 - 8565)
18 bikes, 9 have gears (G), 11 have suspension (S) and 5 with both,What is the probability that a bike with suspension or gears? Make a two-way table to help you!
Answer:
5/9Step-by-step explanation:
Total number of bikes = 18Bikes with gears S = 9Bikes with suspension S = 11Bikes with both GS = 5From the information above we have:
Bikes with gears only = 9 - 5 = 4Bikes with suspension only = 11 - 5 = 6Sum of the above two gives us the number of bikes with suspension or gears:
4 + 6 = 10Probability of selected bike be G or S is:
P(G or S) = 10/18 = 5/9Liam was born on October 1, 2009. His grandparents put $20,000 into an account that yielded 3%
interest compounded quarterly. When Liam turns 18, his grandparents will give him the money
for a college education. How much will Liam get on his 18th birthday?
$34,251.05
i hope this helps
The formula for the amount earned with compound interest after n years is given as:
A = P [tex](1 + \frac{R}{n} )^{nt}[/tex]
P = principal
R = rate
t = time in years
n = number of times compounded in a year.
The amount Liam got on his 18th birthday is $34,251.05.
What is compound interest?It is the interest we earned on the interest.
The formula for the amount earned with compound interest after n years is given as:
A = P [tex](1 + \frac{R}{n} )^{nt}[/tex]
P = principal
R = rate
t = time in years
n = number of times compounded in a year.
Example:
P = 200
R = 2%
t = 3 years
compounded annually, n =1
A = $212.24
We have,
Principal = $20,000
Rate = 3%
There are 4 quarters in a year.
It is compounded quarterly.
This means,
n = 4
t = 18 years
The amount compounded quarterly.
A = 20,000 [tex](1 + 0.0075)^{72}[/tex]
A = 20,000 x [tex]1.0075^{72}[/tex]
A = $34,251.05
Thus,
The amount Liam got on his 18th birthday is $34,251.05.
Learn more about compound interest here:
https://brainly.com/question/13155407
#SPJ2
38% of 1200 Otto middle school students are 6th how many auto students are sixth graders
Answer:
456 students
Step-by-step explanation:
38% = 0.38
1200 x 0.38 = 456
Please halp me, thanks so much
-Tornado
Answer:
>
Step-by-step explanation:
Step-by-step explanation:
Since c is on the left of -1 on the number line,
c < -1.
If we add 2 to both sides of the inequality we get c + 2 < 1.
Hence the correct sign is "<".
Susan works as a hostess where she makes $8.75 per hour. She also babysits and earns $10 per hour. Last week she made $165. If she worked six hours more as a hostess then she did babysitting, how many hours did she babysat last week?
Answer:
she babby sat atleast 4 hours last week
Can someone pleaseee help!!
Answer:
b
Step-by-step explanation:
–4(5x – 9) + 6(2x + 5)?
Which linear equations have one solution? Check all that apply.
O 5x-1 =3(r+ 11)
O 4(r-2) + 4x = 8(x-9)
O 4(–6) + 4 = 2(r- 3)
o 2(-4) = 5(r-3) + 3
O 20-1) + 3r= 5(r-2) + 3
Answer:
The linear equations which have one solution are C. [tex]4\cdot (-6) +4 = 2\cdot (r-3)[/tex], D. [tex]2\cdot (-4) = 5\cdot (r-3) +3[/tex] and E. [tex](20-1) +3\cdot r = 5\cdot (r-2) + 3[/tex].
Step-by-step explanation:
From Algebra we know that a system of linear equation has a unique solution when the number of variables is equal to the number of equations. Now we proceed to check if each option fulfills this condition:
A. [tex]5\cdot x -1 = 3\cdot (r + 11)[/tex]: Number of equations: 1/Number of variables: 2 [tex]\{x, r\}[/tex]
B. [tex]4\cdot (r-2)+4\cdot x = 8\cdot (x-9)[/tex]: Number of equations: 1/Number of variables: 2 [tex]\{x, r\}[/tex]
C. [tex]4\cdot (-6) +4 = 2\cdot (r-3)[/tex]: Number of equations: 1/Number of variables: 1 [tex]\{r\}[/tex]
D. [tex]2\cdot (-4) = 5\cdot (r-3) +3[/tex]: Number of equations: 1/Number of variables: 1 [tex]\{r\}[/tex]
E. [tex](20-1) +3\cdot r = 5\cdot (r-2) + 3[/tex]: Number of equations: 1/Number of variables: 1 [tex]\{r\}[/tex]
The linear equations which have one solution are C. [tex]4\cdot (-6) +4 = 2\cdot (r-3)[/tex], D. [tex]2\cdot (-4) = 5\cdot (r-3) +3[/tex] and E. [tex](20-1) +3\cdot r = 5\cdot (r-2) + 3[/tex].
PLS HELP WILL GIVE BRAINLIST
Answer:
The answer is 1050
Step-by-step explanation:
Which situation could NOT represent a proportional relationship?
A The number of gallons of water in x barrels with 42 gallons of water in each barrel
B The amount an employee who makes $8.50 per hour earns in h hours
C The weight in x weeks of a puppy that gains 2 pounds per week if its starting weight is 8 pounds
D The cost of purchasing p pounds of bananas for $0.55 per pound
The battery life for Bruhier’s cell phone is longer when he has fewer apps running. When only one app is running, the battery will last for 16 hours. When four apps are running, the battery will only last for 4 hours.
This situation represents
variation.
The constant of variation, k, is equal to
.
If eight apps are running, Bruhier’s battery will last for
hours.
Answer: The correct answer is
Inverse
16
2
Step-by-step explanation:
F(x) = 2x+6, g(x) = 3² findf(g (-3))
Step-by-step explanation:
If F(x) = 2x+6, g(x) = 3² findf(g (-3))
Solution
f(g (-3)) = 2x+6(3²(-3)) = 2x+6(3×3(-3))
= 2x+6(-27) = 54x-162 = 54x = 162
54/54x = 162/54
x = 3
Answer:
➩ [tex]f(g(-3)) = 24[/tex]
Step-by-step explanation:
➨ Rearrange/Simplify the equations
[tex]F(x)=2x+6\\g(x)=9[/tex]
➨ Find [tex]f(g(-3))[/tex]
[tex]g(-3)=9[/tex] ➩ All x-values have same y-values ➩ Constant Function
Substitute [tex]g(-3) = 9[/tex] in the f(x)
[tex]f(g(-3)) = f(9)\\f(9)=2(9)+6\\f(9)=18+6\\f(9)=24\\f(g(-3)) = 24[/tex]
Thus, the answer ➩ [tex]f(g(-3)) = 24[/tex]
We are interested in comparing the amount of acidity in sour cream with respect to using different starters for making the sour cream. The data is given below.
Acidity Starter
1 8.04 3
2 6.61 2
3 11.99 4
4 7.78 5
5 8.40 1
6 9.58 4
7 6.58 5
8 6.66 1
9 5.34 3
10 7.92 2
11 7.98 5
12 7.98 3
13 8.98 2
14 7.94 1
15 11.32 4
16 9.74 2
17 9.46 1
18 9.14 3
19 12.00 4
20 9.32 5
21 9.66 1
22 11.28 4
23 8.04 5
24 8.12 2
25 6.72 3
What are the assumptions that we should check before conducting the hypothesis test?
Answer:
Assumptions before conduction hypothesis test are mentioned below in the explanation.
Step-by-step explanation:
As this question is incomplete, and I will try my best to answer this question.
We are asked in this question to write the assumptions that we check before conducting the hypothesis test.
Solution:
Assumptions of hypothesis test:
1. We have to make assumption that all the observations are independent.
2. Secondly, we need to take assumption that, all the parent population of the data reflects normal distribution.
3. Furthermore, we need to assume that experimental error or random error is independently identical and normally distributed with mean "0" and variance of (σ^2).
Above are the assumptions that we should check before conducting hypothesis test.
An object's temperature cools exponentially after it is removed from a furnace (hot oven). If its initial temperature is
730
730
°C and it cools at a rate of
2.95
2.95
% per minute, find the object's temperature after
18.0
18.0
minutes.
Answer: I think 53.1
Step-by-step explanation:
The object's temperature after 18.0 minutes is 425.83.
Given that,
An object's temperature cools exponentially after it is removed from a furnace (hot oven).
If its initial temperature is 730°C and it cools at a rate of 2.95% per minute.
We have to determine,
The object's temperature after 18.0 minutes.
According to the question,
The initial temperature is 730°C and it cools at a rate of 2.95% per minute,
The temperature after t minutes is modeled by an exponential function, which has the following format is,
[tex]T(t) = T(0) . (1-r)^t[/tex]
Where T(0) is the initial temperature, and r is the cooling rate, as a decimal.
Then,
T(0) = 730°c and r = 2.95% = 0.0295
Substitute all the values in the equation,
[tex]T(t) = T(0) . (1-r)^t\\\\T(18) = 730 \times (1-0.0295)^{18}[/tex]
Therefore,
The object's temperature after 18.0 minutes is,
[tex]T(t) = T(0) . (1-r)^t\\\\T(18) = 730 \times (1-0.0295)^{18}\\\\ T(18) = 730 \times 0.5833\\\\T (18) = 425.83[/tex]
Hence, The required value of the object's temperature after 18.0 minutes is 425.83.
To know more about the Exponential function click the link given below.
https://brainly.com/question/16902197
Curve fitting is a methode of finding
The method of least squares is a widely used method of fitting curve for a given data
Step-by-step explanation:
It is the most popular method used to determine the position of the trend line of a given time series. The trend line is technically called the best fit. ... The sum of the deviations of y from their corresponding trend values is zero.
Nichol runs 3/4 mile in 1/4 hour. How many miles can she run in 1 hour?
Answer:
The answer is 3 miles, I had the same question
5. Find x if √x=79.
Answer:
x=6241
Step-by-step explanation:
^2 on both sides.
x=79^2.
x=6241.
Hope this helps plz hit the crown :D
Answer:
6241
Step-by-step explanation:
hope this is correct
According to the graph, a student who studies 10 hours per week should earn a score of about how much?
help I have been stuck on this for an hour
2+6-1
Answer:
the answer is 7.
Hey thanks a lot for the points and merry Christmas and have a great day onwards. :)
Answer:
7
Step-by-step explanation:
Use the Distributive Property to expand this expression. z(–6.4 – 3.5x)
Answer:
-6.4z -3.5xz
Step-by-step explanation:
Help me please I will give points
Answer:
5) x = 21, y = -13
6) x = 20, y = -2
I don't know how to get #7, I'm sorry.
Step-by-step explanation:
5) 4x - 3(8 - x) = -3
4x - 24 - 3x = -3
+24 +24
4x - 3x = 21
x = 21
y = 8 - 21
y = -13
6) x + 3y = 14
-3y -3y
x = -3y + 14
-5(-3y + 14) + 6y = -28
15y + 14 +6y = -28
21y + 14 = -28
-14 -14
21y = -42
÷21 ÷21
y = -2
x + 3(-2) = 14
x + -6 = 14
+6 +6
x = 20
Ramon earns $1,690 each month and pays $53.60 on electricity. To the nearest tenth of a percent, what percent of Ramon's earnings are spent on electricity each month?
Answer:
3.1%
Step-by-step explanation:
divide his electricty payment by his monthly pay
HELP PLEASE
this is really hard help me
How do you do this problem? Expressions and Calculator Skills
7x2 + 2x – 6?
X=-3
Answer:
51
Step-by-step explanation:
7x^2 + 2x -6 [x= -3]
7(-3)^2 + 2(-3) - 6
7(9) + (-6) -6
63 + -12 = 63 - 12 = 51
Consider the intersecting lines shown. Which of the following statements is true?
Question 10 options:
A)
∠y ≅ ∠z
B)
∠x ≅ ∠y
C)
m∠x + m∠y = 180°
D)
m∠x + m∠y = 90°
Answer:
C. m∠x + m∠y = 180
Step-by-step explanation:
The two straight line in the diagram intersect each other to form two pairs of vertical angles. These are <x and <z, and <y and w.
The only statement from the given options that is true is m∠x + m∠y = 180.
This is because they are angles in a straight line. The sun of angles in a straight line is 180°.
What is Exterior angles theorem?
Answer:
Exterior Angle Theorem
Step-by-step explanation:
An exterior angle of a triangle is formed by any side of a triangle and the extension of its adjacent side. The Exterior Angle Theorem states that An exterior angle of a triangle is equal to the sum of the two opposite interior angles.
Please give explanation and I will give brainliest
Answer:
30.8, 37
Step-by-step explanation:
First, we know that the angles in a triangle add up to 180, so 180-75-48= m∠G=57°. Then, using sohcahtoa, we have tan(G) = DF/FG = DF/20. tan(G) ≈ 1.54, so 20(1.54)=DF≈ 30.8
Next, using sohcahtoa, we have cos(G) = FG/DG = 20/DG. cos(G)≈0.54, and 20/0.54=DG ≈ 37