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3 years ago

15

Simone got 3/4 of a full bar of chocolate. Aly was supposed to get 1/4 of the full chocolate barshe has to get her share from Si

mone. What fraction of Simone's chocolate should Aly get? Make a math drawing that helps you solve this problem.

1 answer:

BartSMP [9]3 years ago

5 0

Answer:

4/8thes

Step-by-step explanation:

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1/2y=13<br> Solve for y.

8090 [49]

Answer:

The correct answer is Y = 26

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3 years ago

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Brady is saving $360 to buy a new hoverboard. He already has $85 and can earn $12 per hour at work. Which of the following equat

Vilka [71]

Answer:

23h

Step-by-step explanation:

360-85= 275

he need 275$

so 12$ per hour

so he need 23h to collect the rest of the 360 $ 275

8 0

3 years ago

Suppose that a sample of size 100 is to be drawn from a population with standard deviation L0. a. What is the probability that t

NARA [144]

Answer:

The probability that the sample mean will lie within 2 values of μ is 0.9544.

Step-by-step explanation:

Here

the sample size is given as 100
the standard deviation is 10

The probability that the sample mean lies with 2 of the value of μ is given as

$P(| \bar{X}-\mu|$

Here converting the values in z form gives

$P(-2$

Substituting values

$P(-2$

From z table

$P(z\leq 2)=0.9772\\P(z\leq -2)=0.0228\\P(-2\leq z\leq 2)=P(z\leq 2)-P(z\leq -2)\\P(-2\leq z\leq 2)=0.9772-0.0228\\P(-2\leq z\leq 2)=0.9544\\$

So the probability that the sample mean will lie within 2 values of μ is 0.9544.

5 0

3 years ago

The cost to purchase 3 sandwich rolls is $0.48. How much will it cost to<br> purchase 20 rolls?

spayn [35]

Answer:

$ $3.2$

Step-by-step explanation:

$0.48$ ÷ $3$ = $0.16$

$0.16*20=3.20$

Hope this helps

7 0

3 years ago

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If 15 oranges cost Rs. 70,how much do 39 oranges cost ?

Minchanka [31]

Answer:

firstly divide 70 by 15 and when the product came multiply it with 39

Step-by-step explanation:

70 ÷ 15 = 4.66

4.66 × 39 = 181.974

7 0

4 years ago