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____ [38]
3 years ago
6

Amare worked twice as many hours as jing they worked a total of 42 hours help how xo i do this

Mathematics
1 answer:
LenaWriter [7]3 years ago
5 0
Amare=x Jing=Y x=2y 42=x+Y (<-These are 2 base equations for systems of equations) 42=2y + Y 42=3y (Y=14) 42=x + 14 42-14=x (x=28) Amare=28 Jing=14
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Lisa walked 48 blocks in 3 hours how many how does she walk per hour
Westkost [7]
All you have to do is divide 48 by 3 and you should get exactly 16.

8 0
3 years ago
A bag of marbles contains three blue,one black,and four yellow marbles.If two marbles are chosen at random without replacement,w
kolezko [41]

The probability that both marbles chosen from the bag will be yellow is 3/14.

<h3>What is the probability?</h3>

Probability determines the odds that an event would happen. The probability the event occurs is 1 and the probability that the event does not occur is 0.

The probability that both marbles chosen from the bag will be yellow = (number of yellow marbles / total number of marbles) x (number of yellow marbles - 1/ total number of marbles - 1)

4/8 x 3/7 = 3/14

To learn more about probability, please check: brainly.com/question/13234031

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2 years ago
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Colt1911 [192]

Step-by-step explanation:

Answer is attached....of both the parts.

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7 0
3 years ago
Gene says that -2 is less than -2.25. Is he correct? Explain why or why not.
Fittoniya [83]

Answer:

No

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-2 is closer to zero than -2.25, which means -2 is greater than -2.25

3 0
3 years ago
Read 2 more answers
PLEASE HELPPP i would really appreciate it :)
qaws [65]

Answer:

Y = - 12.55X1 + 276.52

Step-by-step explanation:

Given the data:

Age of child :(X) : 4, 6, 10, 13, 14, 17

Time (seconds) (Y) : 230, 205, 132, 119, 108, 62

Using technology, the linear regression equation obtained using the data Given is :

Y = - 12.55X1 + 276.52

Where :

Slope = - 12.55

Intercept = 276.52

This also indicates that a negative slope is present and hence a negative relationship between age of Child and time in seconds.

3 0
2 years ago
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