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max2010maxim [7]
3 years ago
13

dle" class="latex-formula">
simplify by combining like terms​
Mathematics
1 answer:
pashok25 [27]3 years ago
4 0

Step-by-step explanation:

4g-7c+3g

7g-7c i hope this helps

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Type the integer that makes the following subtraction sentence true:<br><br> – 7 = -3
pogonyaev
-7 + 4 = -3 is one possibility.

-7 - (-4) = 3 is another possibility.

6 0
4 years ago
The function ƒ is defined by ƒ(x) = (x + 3)(x + 1). The graph of ƒ in the xy-plane is a parabola. Which interval contains the x-
Inga [223]

Answer:

All the intervals that contain the number -2 are solution of the problem

Step-by-step explanation:

we know that

The equation of a vertical parabola into vertex form is equal to

f(x)=a(x-h)^{2}+k

where

(h,k) is the vertex of the parabola

In this problem we have

f(x)=(x+3)(x+1)

Convert to vertex form

f(x)=x^{2}+x+3x+3

f(x)=x^{2}+4x+3

Group terms that contain the same variable, and move the constant to the opposite side of the equation

f(x)-3=x^{2}+4x

Complete the square. Remember to balance the equation by adding the same constants to each side.

f(x)-3+4=x^{2}+4x+4

f(x)+1=x^{2}+4x+4

Rewrite as perfect squares

f(x)+1=(x+2)^2

f(x)=(x+2)^2-1 -------> equation in vertex form

The vertex is the point (-2,-1)

The x-coordinate of the vertex is -2

5 0
4 years ago
1 Ann is traveling by bus to see a friend who moved away from her neighborhood. She
Readme [11.4K]

Answer:

options are not correct

8 0
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What is the coefficient of x⁴ in the expansion of ( 1 + x)(1-x)^n<br>​
arlik [135]

Answer:

=(-1)^n (1-n)

Step-by-step explanation:

=coefficient of x^n in (1-x)^n + coefficient of x^n-1 in (1-x)^n

=(-1)^n ^nCn + (-1)^n-1 ^nCn -1

=(-1)^n (1-n)

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Angle AKB is 50°...Angle ACF is 90° cuz if u look at the pic closely it shows the little box 
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