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Harman [31]
3 years ago
13

9 books are to be bought by a student. Some cost $6 and the remainder cost $3 each. if the total amount spent was $39, how many

of each are bought?
Please explain your answer.
Mathematics
1 answer:
MissTica3 years ago
6 0

Answer:

four nine dollar books

Step-by-step explanation:

36 divivded by 9

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Simplify 1/x-10 divided by 9x/x^2-9x-10
Virty [35]
In fractional form, I think this is written as

\frac{1}{x-10} / \frac{9x}{ x^{2} -9x-10}

When dividing, the first term is the dividend, the second term is the divisor and the answer is the quotient. When you divide fractions, you multiply the dividend with the reciprocal of the divisor. In this case

\frac{1}{x-10} * \frac{x^{2} -9x-10}{9x }

The answer is 

\frac{ x^{2} -9x-10}{9 x^{2} -90x}

Furthermore, we can simplify the terms through factoring, The numerator could be factored into (x+1)(x-10). The denominator could be factored to 9x(x-10). Since the term (x-10) is common, you can cancel them to get to the final answer which is

(x+1)/9x
3 0
3 years ago
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What is 8 3/4 - 7 1/2
monitta

Answer:

1.25

Step-by-step explanation:

8 3/4 - 7 1/2 = 54 = 114 = 1.25

4 0
4 years ago
Shelly wrote the following number in expanded form. 90,000+600+8.how would she write the number in word form?
murzikaleks [220]

The number 90,000+600+8 in word form is Ninety thousand six hundred and eight.

<u>SOLUTION: </u>

Shelly wrote the following number in expanded form. 90,000+600+8.

We have been asked to write the number in word form.

The number has been expanded into ten thousand, hundred and ten with additive mathematical operator in between.

So, the given number can be written as follows:

90,000 = ninety thousand.

600 = six hundred

8 = eight.

But if we add the numbers together, we have:

=90,000+600+8.

=90,608

So, on putting the number in word from we get:

Ninety thousand six hundred and eight

7 0
3 years ago
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melamori03 [73]
Y = (2/5)x + 0
The answer is y = (2/5)x
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-4(1-x)+x&lt;-(4-2x)+4 i need an interval notation answer on this please
alex41 [277]

Answer:

x<4/3

<- - - - - - - - ○ -------------->

0 4/3

Step-by-step explanation:

and do you want a step by step

7 0
4 years ago
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