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noname [10]
4 years ago
15

Harvey is 3 times as old as Jane. The sum of their ages is 52 years. Find the age of each. Jane is 13 and Harvey is 39 Jane is 1

2 and Harvey is 48 Jane is 13 and Harvey is 48
Mathematics
2 answers:
Dahasolnce [82]4 years ago
8 0

Answer:

13, 39

Step-by-step explanation:

H +J =52

H=3J

3J +J=52

4J=52

J=52 :4 =13 (Jane is 13

H =3 ×13 =39 (Harvey is 36

Lana71 [14]4 years ago
6 0

Answer:

Jane is 13 years old and Harvey is 36 years old.

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42 miles ≈ 68 km

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8 0
3 years ago
Given the graph below, what is the average rate of change between 1 year and 4 years<br> of age?
Reika [66]

Answer : The average rate of change between 1 year and 4 years  of age is 7.33 lbs per year.

Step-by-step explanation :

As we know that the average rate of change between two input values is the total change of the output values divided by the change in the input values.

From the table, we conclude that:

The weight of 1 year of age = 20 lbs

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Now we have to determine the average rate of change between 1 year and 4 years  of age.

The input (years) has changed by = 4 years - 1 year = 3 years

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7 0
3 years ago
Two straight lengths of wire are placed on the ground, forming vertical angles. If the measure of one of the four angles formed
vitfil [10]
We have
angle 1=72 degrees

see the attached picture to better understand the problem

we know that
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<span>
and

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<span>
if the measure of one of the angles is </span>72 degrees and straight lines equal 180<span> degrees you have to
subtract </span>72 from 180
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the answer is

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5 0
3 years ago
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tresset_1 [31]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
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