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BlackZzzverrR [31]
3 years ago
14

Simplify 2(5+3x) + (x+10)

Mathematics
1 answer:
xz_007 [3.2K]3 years ago
8 0

Answer:

7x + 20

I hope I helped :D

Step-by-step explanation:

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Which expression is the factorization of x2+10+21?
Vlad [161]

Answer:

(x + 3)(x + 7)

Step-by-step explanation:

Given

x² + 10x + 21

Consider the factors of the constant term (+ 21) which sum to give the coefficient of the x- term (+ 10)

The factors are + 3 and + 7, since

3 × 7 = 21 and 3 + 7 = 10, hence

x² + 10x + 21 = (x + 3)(x + 7)

8 0
3 years ago
Quiana made 5 equal monthly payments from her bank account which rational number shows something being removed 5 time​
marin [14]

Answer:

The answer is -5

6 0
3 years ago
F(x)=x^2-12x+20<br> a. f(0) = ?<br> b. f(2) = ?<br> c. f(x) = 0,x = ?<br> d. f(x)= 9,x = ?
bekas [8.4K]

Answer:

c . f(x)=0,x=????????????

5 0
2 years ago
Use the right formula from the image to find the length of the segment with endpoints at (2, 7) and (8, -1). Show your work.
Marina CMI [18]

Answer: i believe the correct formula is A

Step-by-step explanation:

7 0
2 years ago
The points(0,2) and (4,-10) lie on the same line and the points (-5,-3) and (2,11) lie on another line. Determine by graphing wh
joja [24]
You are asked to do this problem by graphing, which would be hard to do over the Internet unless you can do your drawing on paper and share the resulting image by uploading it to Brainly.

If this were homework or a test, you'd get full credit only if you follow the directions given.

If <span>The points(0,2) and (4,-10) lie on the same line, their slope is m = (2+10)/(-4), or   m =-3.  Thus, the equation of this line is y-2 = -3x, or y = -3x + 2.

If </span><span>points (-5,-3) and (2,11) lie on another line, the slope of this line is:

m = 14/7 = 2.  Thus, the equation of the line is y-11 = 2(x-2), or y = 11+2x -4, or y = 2x + 7.

Where do the 2 lines intersect?  Set the 2 equations equal to one another and solve for x:

</span>y = -3x + 2 = y = 2x + 7.  Then 5x = 5, and x=1.

Subst. 1 for x in y = 2x + 7, we get y = 2(1) + 7 = 9.

That results in the point of intersection (2,9).

Doing this problem by graphing, on a calculator, produces a different result:  (-1,5), which matches D.

I'd suggest you find and graph both lines yourself to verify this.  If you want, see whether you can find the mistake in my calculations.

3 0
3 years ago
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