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OverLord2011 [107]
3 years ago
13

What is the answer for the first one

Mathematics
2 answers:
Rasek [7]3 years ago
7 0
I think the answer's 45
Goryan [66]3 years ago
6 0
So what You do is 40 +5= 45 and 45-5= 40 so the answer is 45
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How many terms are in the expression 5x^2-3x+2?
Jlenok [28]

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6 0
3 years ago
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What is the answer of this equation ? 10x-6(2x+5)=20
Rudiy27

Answer:

Simplifying

x = -25

Step-by-step explanation:

Reorder the terms:

10x + -6(5 + 2x) = 20

10x + (5 * -6 + 2x * -6) = 20

10x + (-30 + -12x) = 20

Reorder the terms:

-30 + 10x + -12x = 20

Combine like terms: 10x + -12x = -2x

-30 + -2x = 20

Solving

-30 + -2x = 20

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '30' to each side of the equation.

-30 + 30 + -2x = 20 + 30

Combine like terms: -30 + 30 = 0

0 + -2x = 20 + 30

-2x = 20 + 30

Combine like terms: 20 + 30 = 50

-2x = 50

Divide each side by '-2'.

x = -25

6 0
3 years ago
What is the missing step in this proof
bagirrra123 [75]
Ok the parralelogram is 25 units and I think the angle of BCD would be 53. I got this by subtracting 127 from 180 since that should give you the whole square. and I got teh units by adding the lines BC and AB... Hope this helped
8 0
3 years ago
Find the value of x in the equilateral triangle.<br> Х<br> 3 in
swat32

Answer:

x≈3.35, or the square root of 11.

Step-by-step explanation:

Use the pythagorian therom. 3²+1.5²=x²

(Half of 3 is 1.5 and the line splits it in half)

6 0
2 years ago
Somebody pls answer this for me i will give you the brainliest
ddd [48]

Answer:

the answer is d

Step-by-step explanation:

8 0
3 years ago
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