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3 years ago

11

Darius is going home from college for the weekend. He checked google maps and found that his house is 480 miles away. If he want

s to drive at a constant speed, and drive in exactly 8 hours, then what should his speed be?

1 answer:

Vesnalui [34]3 years ago

8 0

Answer:

60.

Step-by-step explanation:

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Find the difference.

leonid [27]

$\text{Solve:}\\\\(5x^2 + 2x + 11) - (7 + 4x - 2x^2)\\\\5x^2+2x+11-7-4x+2x^2\\\\7x^2+2x+11-7-4x\\\\7x^2-2x+11-7\\\\\boxed{7x^2-2x+4}$

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4 years ago

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jek_recluse [69]

Bottom right! You are correct. :)

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3 years ago

Find the surface area of the square pyramid 8mm 6mm

bija089 [108]

Answer:

136 mm²

Step-by-step explanation:

$A=a^{2} +2a\sqrt{\frac{a^{2} }{4} } +h^{2}$

$A=6^{2} +2(6)\sqrt{\frac{6^{2} }{4} } +8^{2}$

$A=36 +12\sqrt{\frac{36 }{4} } +64$

$A=36 +12\sqrt{9 } +64$

$A=36 +12(3)+64$

$A=36 +36+64$

A = 136

5 0

3 years ago

What is 12 equal to 4/5k

Gekata [30.6K]

Answer:

k = 15

Step-by-step explanation:

12/4/5 = 4/5/4/5 k

15 = k

OR

5/4 (12) = 4/5 (5/4) k (multiply by the reciprocal)

15 = k

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4 years ago

Larry weighed 200 pounds when he started his first and lost 50 pounds. What percent of his original weight did Larry lose

pantera1 [17]

Answer:

25%

Step-by-step explanation:

50 is 1/4 of 200 and 1/4 of 100% is 25%

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4 years ago