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antoniya [11.8K]
3 years ago
9

Write the English phrase as an algebraic expression. Then simplify the expression. Let x represent the number.

Mathematics
1 answer:
Trava [24]3 years ago
6 0

Answer:

Step-by-step explanation:

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Line b has a slope of 9/7. Line c has a slope of -7/9. Are line b and line c parallel or perpendicular?
vredina [299]

Answer:

perpendicular

Step-by-step explanation:

since their gradients sati

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3 years ago
The two triangles are similar what is the value of x enter your answer in the box 6 8 2x-2 3x
fiasKO [112]

Answer:

8/14 =(2X-2)/3X  

8·3X=14(2X-2)

24X=28X-28

24X-28X=-28

-4X=-28 / ·(-1)

4X=28

X=28:4

X=7

Step-by-step explanation:

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3 years ago
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Hey i have a question! what is......
Ne4ueva [31]

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Step-by-step explanation:

6 0
3 years ago
Help please <br><br><br> On the number line below length AB=
jolli1 [7]
AB = 29

We can split the line into two parts and then we see the distance from -8 to 0 equals 8 (in mathematical language |-8| = 8). The distance from 0 to 21 is obviously 21. Therefore the total length equals the sum of the numbers above and is 21 + 8 = 29.
7 0
4 years ago
Determine the solution set of (x - 4)2 = 12. {4 + 2√3, 4 - 2√3} {4 - 2√3, 4 - 2√3} {2√3 + 4, 2√3 - 4}
Alina [70]

Answer:

{4 + 2√3, 4 - 2√3} thus the solution is A.  x = 4 + 2 sqrt(3) or x = 4 - 2 sqrt(3)

Step-by-step explanation:

Solve for x over the real numbers:

(x - 4)^2 = 12

Take the square root of both sides:

x - 4 = 2 sqrt(3) or x - 4 = -2 sqrt(3)

Add 4 to both sides:

x = 4 + 2 sqrt(3) or x - 4 = -2 sqrt(3)

Add 4 to both sides:

Answer: x = 4 + 2 sqrt(3) or x = 4 - 2 sqrt(3)

4 0
4 years ago
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