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Yuliya22 [10]
3 years ago
7

bought a 13 lb package of steaks that cost $45.92 .What is the cost per pound of steak ? Aso, how many pounds do I get per dolla

r?​
Mathematics
1 answer:
ruslelena [56]3 years ago
5 0

Answer:

Cost per pound: $3.53

Pounds per dollar: 0.28

Step-by-step explanation:

The cost per pound is simply the total cost divided by the amount of pounds you got for the total cost. To get the price per pound, you divide $1 by the cost per pound, $3.53, to get the amount of pounds you get per dollar.

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What is 50 divided by 8675 showing your work
Ierofanga [76]
8675 ÷ .5= 17350
You could also multiply by 2 to check your answer 
17350 * .5= 8675
You could also divide by 2.
5 0
2 years ago
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tino4ka555 [31]
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6 0
2 years ago
The youth group is going on a trip to the state fair. The trip costs $63. Included in that price is $13 for a concert ticket and
Pepsi [2]
Hey there!

63 =  13 + 2P  subtract 13 from both sides

50 = 2P          divide both sides by 2

25 = P 

So the cost of one pass = $25


Hope this helps!

7 0
2 years ago
A manufacturer of college textbooks is interested in estimating the strength of the bindings produced by a particular binding ma
IrinaVladis [17]

Answer:

538 books should be tested.

Step-by-step explanation:

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

\alpha = \frac{1-0.99}{2} = 0.005

Now, we have to find z in the Ztable as such z has a pvalue of 1-\alpha.

So it is z with a pvalue of 1-0.005 = 0.995, so z = 2.575

Now, find the margin of error M as such

M = z*\frac{\sigma}{\sqrt{n}}

In which \sigma is the standard deviation of the population and n is the size of the sample.

How many books should be tested to estimate the average force required to break the binding to within 0.08 lb with 99% confidence?

n books should be tested.

n is found when M = 0.08

We have that \sigma = 0.72

M = z*\frac{\sigma}{\sqrt{n}}

0.08 = 2.575*\frac{0.72}{\sqrt{n}}

0.08\sqrt{n} = 2.575*0.72

\sqrt{n} = \frac{2.575*0.72}{0.08}

(\sqrt{n})^{2} = (\frac{2.575*0.72}{0.08})^{2}

n = 537.1

Rounding up

538 books should be tested.

6 0
3 years ago
Solve the following system of equations by substitution.
jasenka [17]

Answer:

The answer is B.(5,10)

Step-by-step explanation:

1. y = 2(5)

  y = 10

2.y = -2(5)+20

  y = -10+20

  y = 10

5 0
3 years ago
Read 2 more answers
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