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2 years ago

9

Factor completely: 7r^2− 64r + 64

1 answer:

poizon [28]2 years ago

8 0

Answer:

7r^2-64r+64

49r-64r+64

-15r+64

Step-by-step explanation:

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just olya [345]

<span>1: 8^-2 = 1 / 8^2 = 1/64

2: 1/3^-3 = 3^3 = 27

3: 6^-12 * 6^8 * 6^0 = 6^(-12+8+0) = 6^-4 = 1/6^4 = 1 / 1296</span>

5 0

3 years ago

Find the distance between the points (4,-2), (4,-5)

kiruha [24]

$\text{Given that,}\\\\(x_1,y_1) = (4,-2)~~ \text{and}~~ (x_2 ,y_2) = (4,-5)\\\\\text{Distance} = \sqrt{(x_2-x_1)^2 + (y_2 -y_1)^2}\\\\~~~~~~~~~~~~=\sqrt{(4-4)^2 + (-5+2)^2}\\\\~~~~~~~~~~~~=\sqrt{0^2+(-3)^2}\\\\~~~~~~~~~~~~=\sqrt{0+9}\\\\~~~~~~~~~~~~=\sqrt 9\\\\~~~~~~~~~~~~=3$

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3 years ago

Michel is headed to his aunt's house. For the first 2 hours he drives at 55 mph. For the next hour, he drives 70 mph. For the fi

polet [3.4K]

Answer:

the answer is 280

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

What is 20:50 (Equivalent Ratios)

Arturiano [62]

Answer: 20 : 50 (m1 = 1) 40 : 100 (m2 = 2) 60 : 150 (m3 = 3) 80 : 200 (m4 = 4) 100 : 250 (m5 = 5) . Bababoi

Hope I helped

Step-by-step explanation:

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3 years ago

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1. Draw a quadrilateral with 2 parallel sides. It should have 2 pairs of perpendicular lines.

Elenna [48]

Answer:

draw a rectangle

Step-by-step explanation:

a rectangle has 2 long sides and 2 short ones it has 2 sets of simailer and has 2 perpundicular

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2 years ago