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inessss [21]
3 years ago
7

HELP !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
makkiz [27]3 years ago
8 0
It’d be 90 degrees I think
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Evaluate |x + y|, for x = 8 and y = -15.<br><br> A. 7<br> B. -7<br> C. 23<br> D. -23
Ahat [919]
It's A because 8-15 is -7 but the absolute value parenthesis make it positive 7.
6 0
3 years ago
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Ignore my writing <br> Solve the inequality
Reil [10]

Answer:

x=1

Step-by-step explanation:

-5 - (15x-1) = 2(7x-16) -x

Distribute the negative sign

-5-15x+1 = 2(7x-16)-x

Distribute the 2

-5-15x+1 = 14x -32-x

Combine like terms

-4-15x = 13x-32

Add 15x to each side

-4-15x+15x = 13x+15x-32

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Add 32 to each side

-4+32 = 28x-32+32

28 = 28x

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1 =x

6 0
3 years ago
The table below shows the numbers of students at 4 middle schools.
Naddik [55]

Answer:

(a) 300

(b)100

Step-by-step explanation:

(a) each figure is 100 student and there are 3 figures at Woodbridge so it's 3*100=300

(b) DuBois=3*100=300

Polk=4*100=400

400-300=100

7 0
3 years ago
The width of a rectangular field is 20 feet less than its length. The area of the field is 12,000 ft? What is the length of the
Scilla [17]

Answer:

The answer is 120 feet.

Step-by-step explanation:

The area of the field (A) is:

A = w · l       (w - width, l - length)

It is known:

A = 12,000 ft²

l = w - 20

So, let's replace this in the formula for the area of the field:

12,000 = w · (w - 20)

12,000 = w² - 20

⇒ w² - 20w - 12,000 = 0

This is quadratic equation. Based on the quadratic formula:

ax² + bx + c = 0      ⇒  

In the equation w² - 20w - 12,000 = 0, a = 1, b = -20, c = -12000

Thus:

So, width w can be either

or

Since, the width cannot be a negative number, the width of the field is 120 feet.

6 0
2 years ago
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What’s the answer to<br> cos-1(168/240)
Nezavi [6.7K]

Answer:

ans= 45.6

Step-by-step explanation:

I think the ans is 45.6

I hope it will help u...

7 0
3 years ago
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