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mezya [45]
3 years ago
11

Sarah’s neighbor offers to pay her $5 for every shark tooth she finds on the beach. After collecting only three shark’s teeth, S

arah decides to share the opportunity with her friend John. Sarah can find shark teeth twice as fast as John, but she can earn even more money with his help.
Sarah can use the expression 5(2j + 3 + j) to represent the amount of money she can earn.

Translate Sarah's expression into a verbal expression. Use words such as sum, product, etc.
Mathematics
1 answer:
nalin [4]3 years ago
8 0

o o o oh here we go walking talking like a

Step-by-step explanation:

  1. lol
  2. 852x2 \leqslant 5y6\%
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Hello, you would divide 10.3 by 0.6 to get 17.166 repeating. So y equals 17.166.

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3 years ago
1. If Sarah starts with $10 and spends all but $3, how much money does she have left?​
fiasKO [112]
10-3=7 so 10-7=3 so 7 dollars spent, 3 dollars left.
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4 years ago
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Answer:

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3 0
3 years ago
Arley’s Bakery makes fat-free cookies that cost $1.50 each. Arley expects 30% of the cookies to fall apart and break. Assume tha
nata0808 [166]

Answer:

Arley should charge $2.25 for each unbroken cookie.

Step-by-step explanation:

1. This problem has a lot of information to take in. To make things easier, it's vital to condense the problem into the most vital information.

Normal Price (x) = $1.50

Markup = %50 (1.5)

Total Price = 1.5x

Note that the amount of cookies produced and the amount charged for the broken cookie was not written in this condensed format.

The question was only: What <u>price</u> should Arley charge for each <u>unbroken cookie?</u>

Neither the cookies produced or the amount charged were part of the question. In this case, the other information is simply there as a filler.

2. With the information given, a simple formula should be created to find the total price.

The formula for this problem is: 1.5x

As stated above, 1.5 represents the 50% markup while the variable (x) represents the normal price.

When 1.5*1.5 is solved, it comes out to $2.25 dollars.

3. The answer is $2.25 dollars for each unbroken cookie.

4 0
4 years ago
Goofy's fast food center wishes to estimate the proportion of people in its city that will purchase its products. Suppose the tr
Setler79 [48]

Answer:

\mu_{\hat p}= 0.06

\sigma_{\hat p}= \sqrt{\frac{0.06*(1-0.06)}{280}}= 0.0142

And we want to find this probability:

p(\hat p

z = \frac{p \mu_{\hat p}}{\sigma_{\hat p}}

z = \frac{0.09-0.06}{0.0142}= 2.114

And we can find this probability:

P(z

And using the normal table or excel we got:

P(z

Step-by-step explanation:

For this case we have the following info given:

n = 280 represent the sample size

p =0.06 represent the true proportion

The sample proportion can be approximated with this distribution:

\hat p \sim N (p ,\sqrt{\frac{p(1-p)}{n}})

The mean is given by:

\mu_{\hat p}= 0.06

And the deviation is given by:

\sigma_{\hat p}= \sqrt{\frac{0.06*(1-0.06)}{280}}= 0.0142

And we want to find this probability:

p(\hat p

And we can use the z score formula given by:

z = \frac{p \mu_{\hat p}}{\sigma_{\hat p}}

And replacing we got:

z = \frac{0.09-0.06}{0.0142}= 2.114

And we can find this probability:

P(z

And using the normal table or excel we got:

P(z

4 0
3 years ago
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