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Vitek1552 [10]
3 years ago
8

During the summer Frank earned $60 less than three times as much as his brother Fred. Together they earned $1220. How much did t

hey each earn?
Mathematics
1 answer:
PtichkaEL [24]3 years ago
6 0

Answer:

320, 900

Step-by-step explanation:

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nataly862011 [7]

Answer:

it is the equation which you have to solve.

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What is the measure of the angle?<br> picture added
Doss [256]

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53

Step-by-step explanation:

the outer measurements are the correct one

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Kyran was given a check for $100 by his grandmother for his birthday, but had to promise her that he would invest the money in a
Sedaia [141]
The equation for simple interest is sated as follows:
A=P(1+rt), where A= The accrued amount, P=Principal invested, r=interest rate per year, and t=time in years.
For the amount invested to be atleast double the amount invested (like the current scenario), the inequality would be would be
A≥ P(1+rt) ---- 200≥100 (1+0.05t) ---- 2≥1+0.05t --- t≥(2-1)/0.05 --- t≥20 years

Therefore, for the amount to atleast double, $100 should be invested for atleast 20 years.
5 0
3 years ago
Please help me urgentttt I'll give u BRAINLIST!
mixas84 [53]

(x)(x2)+(−4)(x2)+−16x+4

=x3+−4x2+−16x+4

Answer:

=x3−4x2−16x+4

This is what I got hope its helpful

8 0
3 years ago
Read 2 more answers
Select the correct answer.
Nuetrik [128]

The answer that would best tell the combination of shapes that could make a piano are: 3 cylinders and a rectangular prism

<h3>How to find the shape of a piano</h3>

The shape of a piano can be gotten from the way that the piano is built. A piano is known to have a shape that is like a chord, it also has the parts that is built like a rectangular prism.

In order to get the volume of the object, the different shapes that it has would be calculated individually using their formula.

Read more on volume

brainly.com/question/1972490

#spj1

3 0
2 years ago
Read 2 more answers
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