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Kay [80]
3 years ago
12

Does anyone know what this is?

Mathematics
2 answers:
vesna_86 [32]3 years ago
6 0

Answer:

I know what it is an equation

katen-ka-za [31]3 years ago
3 0
I don’t know that...
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Which number line represents the solutions to |–2x| = 4?
GenaCL600 [577]
The third one is the correct choice because the solutions are 2 and -2
7 0
2 years ago
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Three boards are placed end to end to make a walkway. The first board is 4 feet inches 10 long, the second board is 2 feet 11 in
Strike441 [17]

Answer:

12 ft 2 in.

Step-by-step explanation:

Conversion: 1 ft = 12 in.

Add the lengths of the boards.

4 ft 10 in. + 2 ft 11 in. + 4 ft 5 in. =

= 4 ft + 2 ft + 4 ft + 10 in. + 11 in. + 5 in.

= 10 ft + 26 in.

= 10 ft + 24 in. + 2 in.

Since 1 ft = 12 in., then 24 in. = 2 ft.

= 10 ft + 2 ft  + 2 in.

= 12 ft 2 in.

5 0
1 year ago
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What is the solution to the system: 9x+3y=24 2y+4x=8
egoroff_w [7]

Answer:

x = 4, y = -4

Step-by-step explanation:

9x + 3y = 24

3x + y = 8                       divide both sides by 3

y = 8 - 3x                        subtract 3x from both sides

2y + 4x = 8

2(8 - 3x) + 4x = 8             replace y with 8 - 3x

16 - 6x + 4x = 8                distributive property

-6x + 4x = 8 - 16               subtract 16 from both sides

-2x = -8                            divide both sides by -2

x = 4

y = 8 - 3x

y = 8 - 3(4)                        replace x with 4

y = 8 - 12

y = -4

8 0
2 years ago
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Which choices are equilvalent to the expression below? Check all that apply.<br> 9^3 x 9^4
Scilla [17]

Answer:

9^{3}x9^{4} =9^{3+4}=9^{7}

Step-by-step explanation:

8 0
3 years ago
What is the y-intercept of the equation 3x - 4y = 16?<br> A. -4<br> B. 0<br> C. 3/4<br> D. 16
polet [3.4K]
You can find the y-intercept by plugging in zero for x and solving. We know that the value will always be zero when the point is on the y-axis, which is the y-intercept.
3(0) -4y = 16
-4y = 16
divide both sides by -4
y = -4
Letter A
7 0
3 years ago
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