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IRINA_888 [86]
3 years ago
14

Can someone help me I don't know how to do it?Please and thank u Expand - 2 (1 - 2x + 2)

Mathematics
2 answers:
Softa [21]3 years ago
5 0
-2 + 4x - 4
= 4x-6
Make sure to distribute everything and then combine like terms.

Answer: 4x-6
tensa zangetsu [6.8K]3 years ago
4 0

Answer:

Step-by-step explanation:

solution -4x+6

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How do I solve question 5?
Nezavi [6.7K]
A) x^2 + y^2 = 80
B) x * y = 12

What is x^2 -y^2?
B) x * y = 12
So y = 12 / x
A) x^2 + (12/x)^2 = 80
x^2 + (12/x)^2 = 80
x^2 + (144/x^2) = 80
Multiplying each side by x^2
x^4 + 144 = 80x^2
x^4 -80x^2 + 144 = 0
X = 1.355 (found by trial and error)
Y = <span> <span> <span> 8.85608</span></span></span> (found by trial and error)

3 0
3 years ago
tasha has 24 new pieces of art. 1/6 are photo's and 2/3 are paintings. how many more paintings are there than photos?
ella [17]
0.5 x 24 = 12
The answer is 12
3 0
3 years ago
The equation y = 1/4x represents a proportional relationship. What is the constant of proportionality?
Andrew [12]

Answer:

[see below]

Step-by-step explanation:

The equation is in the form:

y = kx

Where k is the constant of proportionality.

Since 1/4 is in k's spot, the constant of proportionality should be '1/4'.

Hope this helps.

4 0
2 years ago
What is a^{-5} simplified?
BARSIC [14]

Answer:

1/a^5

Step-by-step explanation:

a^-5=1/a^5

5 0
3 years ago
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Help me please it due nowwwwwww
igomit [66]

Answer:2nd one

Step-by-step explanation:

4 0
2 years ago
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