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kkurt [141]
3 years ago
7

sarah has 4 2/3 m of ribbon. She wants to make hair bows to sell at the craft fair. She knows she wants to make seven bows. How

long should you cut the ribbon to be?
Mathematics
1 answer:
zysi [14]3 years ago
7 0
This is division. Let’s set up your problem.

I prefer not using mixed numbers. Instead we’ll use 14/3 for the fraction.

So to start off:

14/3 / 7

the 7 can also be 7/1.

use the saying, “keep, change, flip.”

keep the 14/3, change the sign to multiplication, and flip the last fraction.

14/3 x 1/7

now multiply.


14/21 is your fraction. Now simplify.

You get 2/3.

Your answer is:
She should cut the ribbon 2/3 m.
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Step-by-step explanation:

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the number of successes and the sample size are given for a simple random sample from a population. determine the sample proport
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Complete Question

The number of successes and the sample size for a simple random sample from a population are given below. x-4, n 200, H_o: p- 0.01, Ha p>0.01, a 0.05 . determine the sample proportion of x

Answer:

The sample proportion of x is  \^ p  =  0.02

Step-by-step explanation:

From the question we are told that

    The number of success is  x = 4

    The sample size is  n  =  200

    The null hypothesis is H_o :  p =  0.01

     The alternative hypothesis is  H_a :  p > 0.01

      The level of significance is  \alpha  = 0.05

Generally the sample proportion of x is mathematically represented as

      \^ p  =  \frac{x}{n}

=>   \^ p  =  \frac{4}{200}

=>   \^ p  =  0.02

7 0
3 years ago
Sam is baking 10 pies for a school bake sale. He
Alekssandra [29.7K]

Answer:

Step-by-step explanation:

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Kent invested $5000 in a retirement plan. He allocated x dollars of the money to a bond account that earns 4% interest per year
eduard

Answer:  The answers are given below.

Step-by-step explanation:  Given in the question that Kent invested $5000 in a retirement plan. He allocated x dollars of the money to a bond account that earns 4% interest per year and the rest to a traditional account that earns 5% interest per year.

(A) Let, '$y' be the amount of money Kent invested in the traditional account, then we have

y=5000-x.

This is the required expression.

(B) After 1 year, total money in the bond account will be

M_b=x+\dfrac{1\times 4\times x}{100}=x+\dfrac{x}{25}=\dfrac{26}{25}x,

and amount of money in the traditional account will be

M_t=(5000-x)+\dfrac{1\times 5\times (5000-x)}{1000}=(5000-x)+\dfrac{5000-x}{200}\\\\\\\Rightarrow M_t=\dfrac{201(5000-x)}{200}.

Therefore, total amount invested after 1 year will be

M=M_b+M_t=\dfrac{26}{25}x+\dfrac{201(5000-x)}{200}=\dfrac{208x+1005000-201x}{200}\\\\\\\Rightarrow M=\dfrac{7x+1005000}{200}.

(C) If x = $500, then we have

M=\dfrac{7\times 500+1005000}{200}=\dfrac{1008500}{200}=\dfrac{10085}{2}=5042.5.

Thus, Kent will have $5042.5 in his retirement plan after 1 year.

4 0
3 years ago
Simplify write in standard form 10a(-6a^2+2a-7)
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10a(-6a^2+2a-7)
re-written in standard form
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Hope this helps :-)

6 0
4 years ago
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