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Ivanshal [37]
3 years ago
13

Add 5 and 14,triple the sum,and then add four-fifths find the expression

Mathematics
1 answer:
Shalnov [3]3 years ago
7 0
(5+14)*3+4/5=57 57 is the answer
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Circle X with a radius of 6 units and circle Y with a radius of 2 units are shown.
Natali [406]

Answer:

Translate the circles so they share a common center point, and dilate circle Y by a scale factor of 3.

Step-by-step explanation:

5 0
3 years ago
Convert the following repeating decimal to a fraction in simplest form .31 with the 1 repeating
bekas [8.4K]

Answer:

14/45

Step-by-step explanation:

So we have the fraction:

0.3\bar1=0.31111...

We can do this algebraically. Follow to following steps:

Let's let this number equal to n. Thus:

0.31111...=n

Since there is only 1 digit repeating, let's multiply everything by 10. So:

3.1111...=10n

Now, subtract n from both sides:

3.1111-n=10n-n

On the left, substitute the number for n. On the right, combine like terms:

3.1111...-0.31111...=9n

All of the 1s will cancel. So:

3.1-0.3=9n

Subtract:

2.8=9n

Divide both sides by 9:

n=2.8/9

Remove the decimal by multiplying both sides by 10:

n=28/90

Reduce:

n=14/45

And we're done!

Use a calculator to check:

14/45\stackrel{\checkmark}{=}0.31111...

7 0
3 years ago
Find the area of the following parallelograms
Kay [80]

Answer:

Area of parallelogram: 1/2×h×sum of base lengths

Property of parallelogram: 2 parallel sides

Area = 1/2×4×(9+9)

        = 36 cm^2

3 0
2 years ago
Read 2 more answers
80 dollars for 16 tickets written as a unit rate, what is it?
shepuryov [24]

Answer:

5 dollars a ticket. Divide 80/16 to get tour answer.

Step-by-step explanation:

5 0
1 year ago
Read 2 more answers
Mentally estimate the total cost of items that have the following prices 1.85 $ .98 $3.49 $9.78 and $6.18 round off your answer
Andrews [41]
The total cost is $22.28, rounded to the nearest half dollar is $22.50.
5 0
3 years ago
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