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3 years ago

1. Marcus needs to bike at least 80 miles this

Mathematics

1 answer:

KonstantinChe [14]3 years ago

3 0

He should ride 11 miles on each of the other 5 days. 11 times 5 equals 55 + 25 = 80.

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Factor completely: 192v^2 -75

Kamila [148]

Answer:

3 (8v+5) (8v-5)

Step-by-step explanation:

192v^2 -75

factor out a 3

3 (64v^2 -25)

now the inside is a difference of squares)

a^2 – b^2 = (a + b)(a – b) where a = 8v and b =5

3 (8v+5) (8v-5)

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3 years ago

72-2x=86-3x solve for x

SpyIntel [72]

Answer:

x=14

Step-by-step explanation:

1.subtract 72 from 86

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3. get the X on one side

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3 years ago

The decimal equivalent of 3/7 rounded to the nearest hundredth is _____.

astra-53 [7]

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0.43

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3 years ago

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inysia [295]

You need to add all of the numbers up

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3 years ago

Find the surface area of the hemisphere

meriva

Answer:

$\boxed{Total \: surface \: area \: of \: hemisphere = 339.12\: {cm}^{2} }$

Step-by-step explanation:

Radius(r) = 6 cm

$Total \: surface \: area \: of \: hemisphere = 3\pi {r}^{2} \\ \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 3 \times 3.14 \times {6}^{2} \\ \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 3 \times 3.14 \times 36 \\ \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 9.42 \times \\ \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: =339.12 \: {cm}^{2}$

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4 years ago