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yuradex [85]
2 years ago
5

HELP PLEASE KHAN ACADAMY

Mathematics
1 answer:
pychu [463]2 years ago
4 0

Answer:

-45

Step-by-step explanation:

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If y=3x +2 find the value of y when x =-2 I don't get it what's the answer If homework due tomorrow
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3\cdot(-2)+2=-6+2=-4
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What else would need to be congruent to show that ABC DEF by SAS?A.C FB. C. D.A D
xz_007 [3.2K]
The answer is:



Your answer is D
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3 years ago
A bookstore sells textbooks for $70 each and notebooks for $5 each. The bookstore would like to sell $805 in merchandise by the
irina [24]

Answer:

70x + 5y = 805

Step-by-step explanation:

Textbooks = X

Notebooks = Y

4 0
2 years ago
Write a polynomial with the zeros equaling to -1,1,8
Andreyy89

Answer:x³-8x²-x+8

Step-by-step explanation:

x are equal to -1,1,8 respectively

to form the polynomials just simply use this method put (x-)to the given numbers that are zeros of the polynomials

(x-(-))(x-1)(x-8)

(x+1)(x-1)(x-8) →(x+1)(x-1) are diff. of two squares (x²-1)

(x²-1)(x-8)

x²(x-8)-1(x-8)

p(x)=x³-8x²-x+8

4 0
3 years ago
(4x + 17)<br> What is the measure of AC ?<br> Enter your answer in the box.<br> (4x – 3.5)
Natasha2012 [34]

Answer: AC=41\°

Step-by-step explanation:

<h3> The complete exercise is attached.</h3>

For this exercise it is important to remember that, by definition, if an angle formed by two intersecting chords has its vertex on a circle, this is called an "Inscribed angle".

The following formula is used to calculate the measure of an Inscribed angle:

Inscribed\ angle = \frac{1}{2}\ Intercepted\ Arc

You can identify in the figure that:

Inscribed\ angle=ABC=(4x -3.5)\\\\Intercepted\ Arc=AC=(4x + 17)

Then you can substitute values into the formula and solve for "x":

(4x -3.5)= \frac{1}{2}(4x + 17)\\\\8x-7=4x+17\\\\4x=24\\\\x=6

Then, AC is:

AC=(4(6)+ 17)\\\\AC=24+17\\\\AC=41\°

3 0
3 years ago
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