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tangare [24]
2 years ago
7

What are the answers to these problems? This is due tomorrow.

Mathematics
1 answer:
beks73 [17]2 years ago
4 0
Darren's model is wrong because he multiplied the fractions when he should have subtracted.
4/5 • 1/2 = 4/10

4/5 - 1/2
8/10 - 5/10 = 3/10

The correct model would be 3/10.
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Which inverse operation would you use to solve the equation x/6-4=8
Artist 52 [7]
Hi there!

To find x, you would need to use the inverse of subtraction (addition) and inverse of division (multiplication), since you'd need to isolate x to one side of the equation to set x equal to a number. 

Hope this helps!
3 0
2 years ago
Someone Please Help Me!
Juli2301 [7.4K]
This is   1/2 to 1/10

multiply each fraction by 10:-

= 5 : 1

The answer is 5  Choice D
4 0
3 years ago
A circular plot of land has a diameter of 16 yards. What is the area of theland? Use 3.14 for it.O A. 803.84 yd2O B. 50.24 yd2O
Amiraneli [1.4K]

The area of the circle can be calculated with the following formula

A=\pi\cdot r^2

First let's find the radius

\begin{gathered} r=\frac{16}{2}\text{yds} \\ r=8\text{yds} \end{gathered}\begin{gathered} A=\pi\cdot8^2 \\ A=3.14\cdot64 \\ A=200.96\text{ yd2} \end{gathered}

The answer would be 200.96 square yards

6 0
1 year ago
36x^2-21x-30 factor
miv72 [106K]
Easy...

to even begin to factor..you must factor out a 3, to simplify your answer.

3(12x^{2}-7x-10)

Now, you can factor.

3(12 x^{2} -7x-10)

So..to find the answer...

12*-10=-120x
and 
you would use -7x

What multiplies to -120..but adds to -7?

-15*8=-120
and
-15+8=-7

To find the answer, plug in what you know..

3(3x+2)(4x-5)

Thus, your answer.
8 0
3 years ago
the Spanish club is selling churros as a fundraiser. If its goal is to raise at least $150, how many churros must it sell at $1.
nekit [7.7K]

Let

x-------> the number of churros sold

we know that

1.25x \geq 150 -----> inequality that represent the situation

Solve for x

Divide by 1.25 both sides

x \geq 150/1.25

x \geq 120\ churros

therefore

<u>the answer is</u>

The minimum number of churros that must be sold is 120

4 0
3 years ago
Read 2 more answers
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