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lisabon 2012 [21]
3 years ago
5

!READ THE Word Problem THAN ANSWER

Mathematics
1 answer:
erma4kov [3.2K]3 years ago
3 0

Answer:

10(m+20) + 10(m+30)

Step-by-step explanation:

Since Celine worked out twice for 10 days, each day there would two separate equations and also the constants are not the same.  

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3x + 6 =<br><br> plss help me with this
Y_Kistochka [10]

Answer:

3× + 6

3+6=9

9×3=3

Finish

5 0
3 years ago
Read 2 more answers
What is the simplified value of the exponential expression 27 1/3?<br> 1/3<br> 1/9<br> 3<br> 9
madreJ [45]

Answer:

Step-by-step explanation:

27^1/3

27 is cube root of 3

so it can also be written as (3)^3

∴ {(3)^3}^1/3

3 and 3 will get cancelled

so it will be 3^1

= 3

8 0
3 years ago
Estimate the difference by rounding each mixed number to the nearest half or whole number. 8 4/10 - 2 1/7
Brilliant_brown [7]
The answer would be 6 9/35 which would round to 6.5
7 0
2 years ago
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Two marathon runners run the full distance of the marathon, approximately 26 miles, in 4 hours.
xxTIMURxx [149]

Answer:

6.5 miles in 1 hour and they will run 75% of the full distance in 1 hour.

Step-by-step explanation:

The distance covered by two marathon runners = 26 miles

They takes 4 hours

We need to find how many miles did they run in 1 hour

In 4 hour, the distance covered is 26 miles

To find distance covered in 1 hour, divide 26 by 4 such that.

d=\dfrac{26}{4}\\\\d=6.5\ \text{miles/hour}

So, they will cover 6.5 miles in 1 hour.

For percentage,

\%=\dfrac{26-6.5}{26}\times 100\\\\=75\%

So, they will run 75% of the full distance in 1 hour.

8 0
3 years ago
The sum of three numbers is 102. The first number is 6 more than the second. The third number is 4 times the second. What are th
const2013 [10]

Answer:

1st number: 22

2nd number: 16

3rd number: 64

Step-by-step explanation:

x + y + z = 102

x = 6 + y

z = 4y

plug that in!

(6 + y) + y + (4y) = 102

get rid of the parenthesis (I added them so you could see what I was replacing) and add like terms.

6 + 6y = 102

move 6 to the other side.

6y = 96

y = 16

now that you know one number, you can solve the equations for the rest!

x = 6 + (16)

z = 4(16)

__________________________________________________________

x = 22

y = 16

z = 64

6 0
2 years ago
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