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nasty-shy [4]
3 years ago
14

Scores on a standardized test are normally distributed find percentage

Mathematics
1 answer:
jasenka [17]3 years ago
3 0
Whats the question so I can answer
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What is the answer for 144=-12(x+5) must show work
miskamm [114]

Answer:

<h2>x = -17</h2>

Step-by-step explanation:

-12(x+5)=144\qquad\text{divide both sides by (-12)}\\\\\dfrac{-12(x+5)}{-12}=\dfrac{144}{-12}\\\\x+5=-12\qquad\text{subtract 5 from both sides}\\\\x+5-5=-12-5\\\\x=-17

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3 years ago
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sertanlavr [38]
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3 years ago
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The perimeter of a rectangle is 53 inches. The length of the rectangle is 5 less than twice it’s width. Solve the system using 2
djverab [1.8K]

Answer:

length of rectangle=16 inches

width of rectangle=10.5 inches

Step-by-step explanation:

given ,perimeter of rectangle=53 inches

let ,length of rectangle= l=2b-5

  width of rectangle=b

p=2(l+b)

53=2(2b-5+b)

26.5=3b-5

31.5=3b

b=\frac{31.5}{3}

b=10.5 inches

l=21-5=16 inches

5 0
3 years ago
Michael paints a circular
BigorU [14]

Answer:

90.25π

Step-by-step explanation:

The formula for solving the area of a circle is πr².

r is the radius. We can find the radius by splitting the diameter in half: 19/2 = 9.5.

We can apply the area formula and we get π9.5² and the answer is 90.25π.

6 0
2 years ago
HELP!!!!! What number is missing in the solution to the system of equations? 4 x minus 3 y = 1. 5 x + 4 y = 9. ( 1 , )
Kay [80]

Answer:

(1,1)

i took the test

5 0
4 years ago
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