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3 years ago

Select all of the situations that would be represented by a negative integer.

Mathematics

2 answers:

nikdorinn [45]3 years ago

6 0

A and C are the answers

fgiga [73]3 years ago

6 0

I think it is C (sorry if it’s wrong)

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Find the value of x. A.20 B.25 C.18.75 D.22.5

miss Akunina [59]

The two equations are vertical angle, which would be equal to each other.

Set the equations to equal and solve for x:

5x -10 = 3x +40

Subtract 3x from both sides:

2x -10 = 40

Add 10 to both sides:

2x = 50

Divide both sides by 2:

x = 50 / 2

x = 25

The answer is B. 25

7 0

3 years ago

Read 2 more answers

The length of a rectangle is (x - 9) feet. Its width is x feet. Write an expression you could use to find the perimeter

steposvetlana [31]

Answer:

The expression for the perimeter of the rectangle is: $P = 4x - 18$

Step-by-step explanation:

Perimeter of a rectangle:

A rectangle has length l and width w. It's perimeter is given by:

$P = 2(l + w)$

In this question:

$l = x - 9, w = x$

$P = 2(x - 9 + x) = 2(2x - 9) = 4x - 18$

The expression for the perimeter of the rectangle is: $P = 4x - 18$

6 0

2 years ago

What are the solutions to this equation?

ziro4ka [17]

$\displaystyle\\(x-4)^2=49\\\\(x-4)^2-49=0\\\\(x-4)^2-7^2=0\\\\(x-4-7)(x-4+7)=0\\\\(x-11)(x+3)=0\\\\x-11 = 0~~~\text{or}~~~x+3=0\\\\x-11=0~~~\implies~~~\boxed{x_1=11}\\\\x+3=0~~~\implies~~~\boxed{x_2=-3}\\\\\boxed{\bf The~solutions~are:~~x =11~~\text{or}~~x =-3}$

8 0

3 years ago

Manny and Evan were flying paper airplanes. Manny’s airplane flew 36.5 centimeters and Evan’s airplane flew 18 centimeters. How

professor190 [17]

First subtract manny value 36.5 from Evan values 18 which will give u 18.5 cm which then u have to convert. Since 1 cm is about .4, we can multiply 18.5 by .4 to get the answer 7.4 inches

7 0

3 years ago

Read 2 more answers

Someone please help!! I’ll give brainliest:))

Allisa [31]

I’ve attached my work...
Hope it helps! Have a nice day :)

8 0

2 years ago