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Darya [45]
3 years ago
5

How do I do these types of problems? (And how do I do this one specifically)

Mathematics
2 answers:
Ymorist [56]3 years ago
8 0
Idk lemme ask my son
zhenek [66]3 years ago
4 0
This is basically a part of PEMDAS.

First, you must do the parenthesis part, meaning to find the answer inside the parenthesis first.

Subtract 13.5–4.5 to get rid of the parenthesis. You get 9.

Now, finish the equation off: 5·9 (five times nine). You end up with 45.
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If you were to take a cross section of a right circular cone parallel to its base, what shape would you get?
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B

Step-by-step explanation:

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A mechanic charged $220.28 to repair a car. The price included charges for 3 hours of labor and $126.53 for parts.
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Step-by-step explanation:

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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...

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3 years ago
Simplify the expression 4x3 2x3
Fittoniya [83]

Answer:

onc

Step-by-step explanation:

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2 years ago
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Answer:

Step-by-step explanation:

The short plants are recessive alleles because they did no show up in any of the plants.  Ex: tt

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4 0
3 years ago
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