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KonstantinChe [14]
3 years ago
15

Kelly has 114 hours to complete 3 chores before leaving for soccer practice. If she spends an equal amount of time on each chore

, which of the following could Kay use to find the part of an hour each chore will require?
Mathematics
2 answers:
Ksenya-84 [330]3 years ago
8 0
She could do 1 chore in 38 hours. you could make an equation by doing 3/x=114
Leto [7]3 years ago
3 0

Answer:

5/4 times 1/3

Step-by-step explanation:

I got my answer because it said she has 1 1/4 hours to do her 3 chores and there is a mixed number in the problem so convert that mixed number to an improper and you get 5/4. Now the 3 is a whole number so we have to change that to an improper as well and that would be 3/1. Next we have to find the reciprocal of 3/1 and that would be 1/3 then you add a multiplication sign to the problem and it should look like this.

5/4 x 1/3

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No links or i will report
yanalaym [24]

Answer:

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25

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33.6

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6 0
2 years ago
Y=2x+5 and y=3x+11 solve by substitution.
kondaur [170]

Answer:

Answer: x= -6 and y= -7

Step-by-step explanation:

Substitute 2x+5 for y in y=3x+11:

y=3x+11

2x+5=3x+11

2x+5+−3x=3x+11+−3x(Add -3x to both sides)

−x+5=11

−x+5+−5=11+−5(Add -5 to both sides)

−x=6

−x−1=6−1(Divide both sides by -1)

x=−6

Step: Substitute −6 for x in y=2x+5:

y=2x+5

y=(2)(−6)+5

y=−7(Simplify both sides of the equation)

-Source: MathPapa

6 0
3 years ago
Earth is approximately 4.54 * 10^9 years old. Humans are thought to have evolved around 2.5 * 10^5 years ago.
kondaur [170]

Answer:

5.507*10^-7%

Step-by-step explanation:

(2.5 * 10^5)/(4.54 * 10^9)*1/100 %= 5.507*10^-7%

6 0
3 years ago
Help please I need help
xz_007 [3.2K]

Answer:

21/29

Step-by-step explanation:

adjacent/hypotenuse

6 0
2 years ago
GIVING BRAINLEST PLSS HELP MEEEEEEEEEEEE
steposvetlana [31]

Answer:

b is correct

hope that helped if yes give me brainliest and if no draw my attention by hitting the comment section

6 0
2 years ago
Read 2 more answers
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