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Serggg [28]
3 years ago
6

A

Mathematics
1 answer:
SVEN [57.7K]3 years ago
8 0

Answer:

Answer Is A

Hopefully this help

Step-by-step explanation:

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One fifth of a number plus three times the number is equal to 42 Moré than twice the number. Whats the number
riadik2000 [5.3K]

Answer:

35

Step-by-step explanation:

Let number = x

(1/5 of x) + (3 * x) = 42 + (2 * x)

x/5 + 3x = 42 + 2x

1/5x + 3x - 2x = 42

1 1/5x = 42

6/5 x = 42

x = 42 ÷ 6/5

x = 42 * 5/6

x = 210 / 6

x = 35

The number is 35

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3 years ago
At what elevation does the atomosphere become too thin to breath
prohojiy [21]
At around 20'000ft. and higher.
4 0
3 years ago
Kevin is an auto mechanic. He spends 2 hours when he replaces the shocks on a car and 2 hours when he replaces the brakes. He wo
nata0808 [166]

Answer:

Kevin should do 15 shock replacements and 6 brake replacements every week to maximize his weekly income.

Step-by-step explanation:

Both jobs take the same amount of time to complete (2 hours), therefore, in order to maximize his income, Kevin should prioritize the job that gives him the greatest income, which is replacing shocks.

If each job takes 2 hours and he works at most 42 hours per week, Kevin can complete 21 jobs per week. He should aim to do as little break replacements as possible and as many shock replacements as possible to maximize income.

If he completes at least 6 break replacements, the remaining jobs should all be shock replacements:

S=21-6\\S=15

Kevin should do 15 shock replacements and 6 brake replacements every week to maximize his weekly income.

4 0
3 years ago
Asap! please help i’ll give brainliest
Alex777 [14]

well it would make sense to say that the longest fish is 12in longer than the shorter fish because if you take 21in (the longest fish) and subtract 9 (the shortest fish) you would get 12.

Hope that helped pls give brainlist

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Which two-dimensional shape that exists in quadrant I only of a coordinate graph can be rotated about the y-axis to create a sph
dusya [7]
A semi-circle can be rotated about the y-axis to create a sphere
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