2 years ago

Teresa received $80 for her birthday. At what rate would she have to invest to have $90 at the end of the year

Mathematics

1 answer:

DiKsa [7]2 years ago

4 0

Saving I don’t know but please let me know :)

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(03.01)

Troyanec [42]

Number 1s answer would be 2. and number 2s answer would be 2

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How many L of an 85% alcohol solution must be mixed with 6 L of a 55% alcohol solution to make a 65% solution?

zepelin [54]

Answer:

3 Liters of the 85% Solution

Step-by-step explanation:

You have to draw your buckets. I can't on computer so imagine the fraction bar is the bottom of the buckets.

$\frac{85}{x}+\frac{55}{6}=\frac{65}{x+6}$

Then we multiply the top of the buckets with the bottom:

85x+330=65x+390

Now we simplify and solve

20x=60

x=3

You need 3 liters of the 85% solution!

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2 years ago

A runner finished a total of 1,500 kilometers in races before retiring . She finished thirty-two 15-kilometer races . The rest o

Sindrei [870]

Answer:

32*15 = 480

1500-480 = 1020

1020/10

102 races

Step-by-step explanation:

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2 years ago

What is the square root of 9?

Elza [17]

The square root of nine is three.

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2 years ago

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Which table represents a linear function help ASAP!!!!!

Shalnov [3]

Answer:

The last one.

Step-by-step explanation:

I think it's the last one because as x increases by one, y increases by a constant rate of 5. The others don't increase by a constant rate. (I don't know if this is right but I think it is!)

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