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gavmur [86]
3 years ago
10

Which of the following is true about the expression

Mathematics
1 answer:
antoniya [11.8K]3 years ago
8 0
It’s b, square root of 3 is irrational, 2 is rational, it creates a irrational number
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A) x²y-2xy+y=? <br>b) ax²+4ax+4a=? <br>c) 20x-60x²+45x³=?​
bearhunter [10]

Answer:

A)Y(x²-2x+1)=y(x-1)²

B) a (x²+4 x+4)= a(x+2)²

C)x(20-60x+45x)²

hope I helped :)

5 0
2 years ago
Translation is a congruency transformation. True or false
frutty [35]

Answer:

True

Step-by-step explanation:

In a translation, the figures face the same direction and are congruent.

5 0
2 years ago
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2×(5+2)÷2 what is the answer
vlada-n [284]
The answer is 7, your welcome if this helped!

8 0
3 years ago
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Jaelynn has 30 times as many stickers as her brother. Her brother has 8 stickers. How many stickers does Jaelynn have?
Dennis_Churaev [7]
30 x 8 = 240 so Jaelynn has 240 stickers :) hope I helped!
6 0
3 years ago
Read 2 more answers
Given: sinθ = -3/5, θ is a third quadrant angle, and tan φ = -7/24, φ is a second-quadrant angle; find cos(θ + φ])
Natali [406]

Answer:

First option: cos(θ + φ) = -117/125

Step-by-step explanation:

Recall that cos(θ + φ) = cos(θ)cos(φ) - sin(θ)sin(φ)

If sin(θ) = -3/5 in Quadrant III, then cos(θ) = -4/5.

Since tan(φ) = sin(φ)/cos(φ), then sin(φ) = -7/25 and cos(φ) = 24/25 in Quadrant II.

Therefore:

cos(θ + φ) = cos(θ)cos(φ) - sin(θ)sin(φ)

cos(θ + φ) = (-4/5)(24/25) - (-3/5)(-7/25)

cos(θ + φ) = (-96/125) - (21/125)

cos(θ + φ) = -96/125 - 21/125

cos(θ + φ) = -117/125

8 0
2 years ago
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