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PIT_PIT [208]
3 years ago
7

How do you turn that problem in to a system of equations

Mathematics
1 answer:
Natasha_Volkova [10]3 years ago
5 0

Answer:

who knows because I don't

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Which confidence level would produce the widest interval when estimating the mean of a population based on the mean and standard
Maru [420]

Answer:

D. 90%

Step-by-step explanation:

it is within the 90th percentile

8 0
3 years ago
What is the value of x in the diagram below? 2 right triangles are stacked. The bottom triangle has a side length of 9 units and
ehidna [41]

Answer:

18 sqrt2/ sqrt3

Step-by-step explanation:

6 0
2 years ago
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Given the function f(x) = 4x^2 - 17, find f (h+2).
forsale [732]

Answer:

B

Step-by-step explanation:

Substitute x = h + 2 into f(x), that is

f(h + 2)

= 4(h + 2)² - 17 ← expand factor using FOIL

= 4(h² + 4h + 4) - 17 ← distribute parenthesis and simplify

= 4h² + 16h + 16 - 17

= 4h² + 16h - 1 → B

6 0
2 years ago
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Ella is a landscape photographer. One weekend at her gallery she sells a total of 52 prints for a total of $2,975. A small paint
rosijanka [135]
<h2>Answer:37 paintings of $50 and 15 paintings of $75</h2>

Step-by-step explanation:

Let x be the number of paintings Ella sells for $50.

Let y be the number of paintings Ella sells for $75.

Profit made through $50 paintings is 50x

Profit made through $75 paintings is 75y

So,total profit is given by 50x+75y

It is given that total profit is $2975

So,50x+75y=2975      ..(i)

Given that the total number of prints is 52

So,x+y=52      ..(ii)

using (i) and (ii),

50x+75(52-x)=2975\\50x+3900-75x=2975\\25x=925\\x=37

y=52-x=52-37=15

7 0
3 years ago
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The total cost of a pair of jeans and three shirts is $114. The shirts each cost the same amount, and the jeans are $45. What is
Sloan [31]

The price per shirt is $23.

5 0
3 years ago
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