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AysviL [449]
3 years ago
5

What number increased by 130% is 69

Mathematics
1 answer:
Gre4nikov [31]3 years ago
4 0

Answer:

The number is 30.

Step-by-step explanation:

Let the number be x

so

x + (130% of x) = 69

x + 13x/10 = 69

or, (10x + 13x)/10 = 69

or, 23x = 690

or, x = 690/23

so, x = 30

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Composition of the functions is <br> ____ commutative.
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Answer:

See below.

Step-by-step explanation:

Composition of the functions is sometimes commutative.

Under certain circumstances, they can be the same. However, most of the time, they are not commutative.

For instance, if we have f(x)=x^2 and g(x)=x^3, then:

f(g(x))=(x^3)^2=x^6\text{ and}\\g(f(x))=(x^2)^3=x^6

Most of the time, however, this won't work.

Edit: Added an example.

8 0
3 years ago
Read 2 more answers
3. How much will the monthly payment for the Riaz family's home loan of $120,000
tia_tia [17]

From the interest computed, the monthly payment that will be made is $7500.

<h3>How to calculate the interest</h3>

The formula to calculate the interest will be:

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Therefore, the monthly payment will be:

= $90000/12

= $7500

In conclusion, the correct option is $7500.

Learn more about interest on:

brainly.com/question/2294792

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2 years ago
Which type of quadrilateral has two pairs of parallel sides and four congruent sides?
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Rhombus or letter D.
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Explain how to use the area of a rectangle to find the area of a parallelogram
anygoal [31]

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Step-by-step explanation:

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