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kodGreya [7K]
3 years ago
13

Need help on this question

Mathematics
2 answers:
erma4kov [3.2K]3 years ago
8 0
A=-7 B=0 i can show how to slove
blondinia [14]3 years ago
7 0

Answer:

Hi... Your answer is...

A= -7

B=0

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9&gt;d, if d=3 <br> True or false
Strike441 [17]

Answer:

This is true. 9 is greater than 3.

4 0
2 years ago
Read 2 more answers
Factor completely 3x(x + 2) + 4(x + 2). (1 point) (x + 2)(7x)
Nezavi [6.7K]

ANSWER

(x + 2)(3x + 4)

EXPLANATION

The given expression is

3x(x + 2) + 4(x + 2)

We can see that (x+2) is the greatest common factor.

We factor to obtain;

(x + 2)( 3x + 4)

The correct choice is C.

6 0
3 years ago
The curved part of this figure is a semicircle. What is the best approximation for the area of this figure? 18+12.125π units² 36
andreyandreev [35.5K]

Answer:

18+12.125π units²

Step-by-step explanation:

The diameter of the semicircle can be found by the use Pythagoras theorem.

Δx²+Δy²=d²

Δx=3--1=4

Δy=3--6=9

d²=4²+9²

d=√(16+81)

Area=πr²/2

=π×(√(16+81)/2)²÷2

=[π×(97)/4]/2

=97π/8

=18+12.125π units²

97π/8 is equivalent to 18+12.125π units²

3 0
3 years ago
the third side of an isosceles triangle is 8 inches shorter than the other two sides the perimeter of the triangle is 70 inches
dezoksy [38]
Isosceles triangle has 2 sides that are the same length. So what you have is three sides that measure: x, x, and (x-8). 70 = x + x + (x-8).
70 = x + x + x - 8
78 = 3x
x = 26.
and 26 - 8 = 18.
So two of your sides are 26 inches and the last side is 18 inches. 
8 0
3 years ago
Read 2 more answers
Triangle ABC has vertices A(–2, 3), B(0, 3), and C(–1, –1). Find the coordinates of the image after a reflection over the x-axis
azamat
Since it's a reflection over the x axis, the x coordinates will stay the same while the y coordinates will be opposite of what they are. 

After reflected: A'(-2,-3), B'(0,-3), C'(-1,1)
6 0
3 years ago
Read 2 more answers
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