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Misha Larkins [42]
3 years ago
6

Please help me for 15 points ASAP

Mathematics
1 answer:
Volgvan3 years ago
8 0

Answer:

Option A

Step-by-step explanation:

The question asks how much did Sarah spend per book.

The statement in the problem that she $42.20 on 2 books would be enough information to solve the question given.

Using the information, we would find the unit rate of the price to get our answer.

Hope this helps.

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I am buying carpet for a room with an area of 230.The width is 12 1/2feet what is the length
Arada [10]

Answer:

the length is 18.4

Step-by-step explanation:

6 0
3 years ago
the result of an experiment was 117.755 particles per milliliter. write the decimal as a mixed number.
nordsb [41]

The result of experiment in mixed fraction form is 117\frac{151}{200}  particles per milliliter.

<h3>What is the result of the experiment in mixed fraction form?</h3>

To convert decimal to fraction, we the decimal number over 1 and multiply both the numerator and denominator by power of 10.

Given the data in the question;

  • Result of experiment in decimal form = 117.755
  • Result of experiment in mixed fraction form = ?

In 117.755, we have 3 numbers to the right of the decimal point.

We have 10³ which is the same as 1000.

\frac{117.755}{1} * \frac{1000}{1000}\\\\\frac{117755}{1000}

Next, we divide both the numerator and the denominator with their Greatest Common Factor.

Greatest Common Factor of 117755 and 1000 is 5

\frac{\frac{117755}{5} }{\frac{1000}{5} } = \frac{23551}{200}

Now, we can get 200 out of 23551 exactly 117 times, since what remained is not divisible by 200, we leave it as a remainder [151].

We can now write this in a mixed fraction form as;

117\frac{151}{200}

Therefore, the result of experiment in mixed fraction form is 117\frac{151}{200}  particles per milliliter.

Learn more about fractions here: brainly.com/question/10354322

#SPJ1

6 0
2 years ago
Solve the rational equation:. x+3/3x-2 minus x-3/3x+2=44/9x^2-4
NISA [10]
\frac{x+3}{3x-2} - \frac{x-3}{3x+2} = \frac{44}{9x^2-4}
\frac{(x+3)(3x+2) - (x-3)(3x-2)}{(3x-2)(3x+2)} = \frac{44}{(3x+2)(3x-2)}

(x+3)(3x+2) - (x-3)(3x-2) = 44
(3x^2 + 11x + 6) - (3x^2 - 11x + 6) = 44
22x = 44
x = 2Substituting x = 2 into the original does not give any extraneous solutions, so this is the answer.
4 0
3 years ago
9x-18i=-36+6yi solve for x and y
WARRIOR [948]

When i use " / "  its the bar between, the divider.


X =  - 2( 6 - iy - 3i ) / 3


Y = 3( x - 2i + 4 ) / 2i

5 0
3 years ago
Read 2 more answers
-9(9+6v+2v) can you answer and explain please?​
Ray Of Light [21]
-81-54v-18v = -72v - 81
4 0
3 years ago
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