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Anna35 [415]
2 years ago
7

Help with proofs please

Mathematics
1 answer:
allsm [11]2 years ago
3 0

Answer:

A. addition property of equality

Step-by-step explanation:

hope it helps

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By what percent will a fraction change if its numerator is increased by 60% and its denominator is decreased by 20%?
My name is Ann [436]
<span>N/D --> 0.8N/0.4D = 2N/D

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It's 100%, = 1 time larger, 2 times as large.</span>
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Enter a number in each blank M(x)=(2x-6)(x-4) true statements when M(x)=0 when x=
KengaRu [80]

Answer:

{3, 4}

Step-by-step explanation:

"M(x)=(2x-6)(x-4) true statements when M(x)=0 when x= ?" asks us to find the "roots" of M(x); that is, the x values at which M(x) = 0.  Thus, we set

(2x - 6)(x - 4) = 0, which is equivalent to 2(x - 3)(x - 4) = 0.

Thus, x - 3 = and x = 3; also x - 4 = 0, so that x = 4.  

The roots of M(x) are {3, 4}

Using the language of the original problem:  "true statements when M(x)=0 when x="              the correct results, inserted into the blanks, are x = 3 and x = 4.

4 0
3 years ago
Write an equation for the line parallel to the given line that contains C(3,5);y=-4x+3
krek1111 [17]
Please give us the options
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3 years ago
What are the roots of the function y = 4x2 + 2x - 30?
a_sh-v [17]

Answer:

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Step-by-step explanation:

What are the roots of the function y = 4x2 + 2x – 30?

To find the roots of the function, set y = 0. The equation is 0 = 4x2 + 2x – 30.

Factor out the GCF of : 2, so the equation becomes 0 = 2(2x2+x-15)

Next, factor the trinomial completely. The equation becomes: 0=2(x+3)(2x-5)

Use the zero product property and set each factor equal to zero and solve.

x+3=0      2x-5 = 0

x = -3, 5/2

The roots of the function are -3, 5/2.

Hope this helped!

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Hope this helped :)
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3 years ago
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