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Tresset [83]
3 years ago
7

Which of the following expressions are equivalent to 12x+20? Select all that apply.

Mathematics
1 answer:
GalinKa [24]3 years ago
7 0

Answer:

C

Step-by-step explanation:

4(3x+5) = 12x+20

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3. What three numbers are the Pythagorean triple generated by using 4 for x and 1 for y. Remember to use the formulas:
Gnom [1K]

Given:

The three equations for the three numbers are

a=x^2-y^2

b=2xy

c=x^2+y^2

To find:

The Pythagorean triple generated by using 4 for x and 1 for y.

Solution:

Substituting x=4 and and y=1 in the given equations, we get

a=4^2-1^2

a=16-1

a=15

In the same way find b and c.

b=2(4)(1)

b=8

The third number is

c=4^2+1^2

c=16+1

c=17

The required Pythagorean triple is 8, 15, and 17.

Therefore, the correct option is C.

5 0
2 years ago
Use the commutative law of MULTIPLICATION to write an equivalent expression.<br><br> 9(x+5)
Arturiano [62]
The commutative property of multiplication is ab=ba
so
9(x+5)=(x+5)9
(note, some people on this site like to write x2 for x² but that's not how you math correctly., (x+5)9 doesn't mean (x+5)⁹, it means (x+5) times 9)
3 0
3 years ago
Find the equation of the line that passes through the following points. Write the equation in​ slope-intercept form. ​(-4​,-8​)
scZoUnD [109]
Let's start with the x coordinates.

-8 is on the left, and -4 to the right, so that will help organize this.

the line goes from -8,-9 to -4,-8. it moved 4 over the x axis and rose 1 over the y axis.

rise/run so 1/4 is the slope.

y=(1/4)x - 7
8 0
3 years ago
I just need a little help figuring this out<br><br>find the value of X<br>​
Hitman42 [59]
X=70... do u need an explanation?
5 0
2 years ago
Will mark as Brainlist!
ASHA 777 [7]

Answer:

y=1/4x + 16

Step-by-step explanation:

8 0
3 years ago
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