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Sergio [31]
2 years ago
10

Please answer this for me. Thanks!

Mathematics
1 answer:
Vesna [10]2 years ago
8 0

Answer: No

Step-by-step explanation:

Is 1/4 (8y -12) equivalent to 2y - 12? No. 1/4 (8y-12) equals out to 2y-3 not 2y-12. To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1

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F(x)=-2X-3 and g(x)=5X-6.<br> Find 2f(x)-3g(x)+F(x)
MakcuM [25]

Answer:

-21X + 9

Step-by-step explanation:

8 0
3 years ago
-8p^2+8p+7=9<br> how do i find the discriminant
m_a_m_a [10]
The discriminant can be found using the formula b^2-4ac 

First put your equation in standard form, where all your values are on one side, and just add f(x) or y in front of your equation. 
y= 8p^2-8p+2

The first value of your equation is a   (a=8)
The second term of your equation is b  (b=-8)
The last term of your equation is c  (c=2)

Plug in the values to the discriminant equation b^2-4ac 
5 0
3 years ago
The perimeter of a triangle is 65 meters. The second side is 5 meters less than the first side The third side is 7
tangare [24]

Answer:

The length of each side is 31.5m, 26.5m, 7m

Step-by-step explanation:

Let the length of the first side of the triangle be x meters.

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The perimeter is 65 meters

This gives us the equation:

65 = x + x - 5 + 7

65 - 7 + 5 = x + x

63 = 2x

x =  \frac{63}{2}  = 31.5

The length of each side is 31.5m, 26.5m, 7m

4 0
3 years ago
Mason opens a savings account by making a $165.85 deposit. Every week, he deposits another $20.50 in the account. The following
monitta

Answer:

370.85

Step-by-step explanation:

20.50×10. +165.85=

4 0
2 years ago
Read 2 more answers
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krok68 [10]

Answer:

(x, y, z) =(1, -1,2)

Step-by-step explanation:

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3 years ago
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