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attashe74 [19]
3 years ago
7

4/3 of 21, 2/3 of 21

Mathematics
1 answer:
nikdorinn [45]3 years ago
3 0

of means multiply

4/3 x 21/1

= 84/3

= 28

2/3 x 21/1

=42/3

= 14

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With what? what’s the question?
8 0
2 years ago
The sum of two numbers is 18. The quotient of the two numbers is 17. What are the two numbers?
posledela
Let the two numbers be x and y
x + y = 18 . . . . . . . . (1)
x/y = 17 . . . . . . . . (2)
from (2): x = 17y
substituting for x in (1), gives
17y + y = 18
18y = 18
y = 18/18 = 1
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Therefore the two numbers are: 1 and 17
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3 years ago
What is 7.125 simplified as a fraction?
Luba_88 [7]

Answer: 7 \frac{1}{8} or \frac{57}{8}

Step-by-step explanation:

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3 0
2 years ago
Several times a week, Chuck goes to the gym to run andswim. When running, heburns 35 calories per minute. When swimming,he burns
ICE Princess25 [194]

Answer:

Chucks spent 8 minutes running and 15 minutes swimming

Step-by-step explanation:

Here, we want to know the amount of time Chuck spends on individual activities.

since the total time spent for the burning is 23 minutes;

then ;

r + w = 23 ••••••••(i)

Now, the number of calories burnt to running for r minutes will be r * 35 = 35w calories

The number of calories burnt to swimming for w minutes will be w * 30 = 30w calories

The addition of both gives the total calories burnt;

Hence;

35r + 30w = 730 ••••••••(ii)

So we have two equations to solve simultaneously ;

From i; r = 23-w

Substitute this into ii

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w = 75/5

w = 15 minutes

but r = 23 - w

r = 23 -15

r = 8 minutes

3 0
3 years ago
HELPPPP what is the estimated measure of angle DAC?<br> (the last answer choice is 90°)
elena-14-01-66 [18.8K]
The answer is 110 degrees because a right angle is 90 and thats obtuse so its more than 90 and 110 is the only one more than 90



4 0
3 years ago
Read 2 more answers
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