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Cerrena [4.2K]
3 years ago
8

Sally bought toy trucks for $5.62, and paid $6.96 on marbles with a $20 bill. She also paid $13.75 on pants. How much change fro

m the purchase?
Mathematics
1 answer:
jolli1 [7]3 years ago
7 0

Answer: You will actually have to give more money 6.34$


Step-by-step explanation:


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A recipe requires 1/3 cup of water for every 2/5 cups of sugar. How much
Anni [7]

Answer:

1 1/5

Step-by-step explanation:

4 0
3 years ago
Answer to the equation -6+2c=3c-(6+5)
Phantasy [73]

Answer:

c = 5

Step-by-step explanation:

- 6 + 2c = 3c -(6+5)

-6 + 2c = 3c -11

-6 + 11 = 3c- 2c

5 = c

3 0
3 years ago
Will mark brainliest
vovikov84 [41]
(0,0)-->(0,0)
(3,-1)-->(9,-3)
(3,3)-->(9,9)


so what you will plug after the dilation will be the points on the right/
hope i help
 
3 0
3 years ago
Read 2 more answers
You want to obtain a sample to estimate a population proportion. At this point in time, you have no reasonable preliminary estim
pogonyaev

Answer:

n=\frac{0.5(1-0.5)}{(\frac{0.025}{1.28})^2}=655.36  

And rounded up we have that n=656

Step-by-step explanation:

In order to find the critical value we need to take in count that we are finding the interval for a proportion, so on this case we need to use the z distribution. Since our interval is at 80% of confidence, our significance level would be given by \alpha=1-0.80=0.20 and \alpha/2 =0.10. And the critical value would be given by:

z_{\alpha/2}=\pm 1.28

Solution to the problem

The margin of error for the proportion interval is given by this formula:  

ME=z_{\alpha/2}\sqrt{\frac{\hat p (1-\hat p)}{n}}    (a)  

Since we don't have prior info for the proportion of interest we can use \hat p=0.5 as estimator. And on this case we have that ME =\pm 0.025 and we are interested in order to find the value of n, if we solve n from equation (a) we got:  

n=\frac{\hat p (1-\hat p)}{(\frac{ME}{z})^2}   (b)  

And replacing into equation (b) the values from part a we got:

n=\frac{0.5(1-0.5)}{(\frac{0.025}{1.28})^2}=655.36  

And rounded up we have that n=656

5 0
3 years ago
Find the value of (– 3 /8 ) × (+8 /15). A. 11/23 B. – 1 /5 C. 11/15 D. – 1 /3
PtichkaEL [24]

(-3/8)(+8/15)

Answer will be a negative number. Whenever multiplying a - negative number * a + positive = - negative number.

(-3/8)(+8/15)

Cross out -3 and 15 . Divide by 3. -3/3,=-1 15/3

= -1/5

Cross out 8 and 8. Divide by 8.

8/8= 1 , 8/8= 1

-1/5*1/1= -1/5

Answer : -1/5

4 0
3 years ago
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