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Lemur [1.5K]
2 years ago
9

What is the result of adding these two equations?

Mathematics
1 answer:
arsen [322]2 years ago
6 0

Answer:

-2x-7y=-4

Step-by-step explanation:

5x+-7x=-2x

-9y+2y=-7y

1+-5=-4

So -2x-7y=-4

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Interest = $30, Principal = ? Rate = 3%, Time = 4 years​
Ahat [919]

Answer:

Simple interest is one of the most basic ways to calculate how much financing will cost you or how much you can earn on an investment. Check out our simple interest calculator to find out what you will pay or earn over time.

Step-by-step explanation: sorry lol

5 0
3 years ago
Emily is entering a bicycle race for charity. Her mother pledges $0.90 for every 0.25 mile she bikes. If Emily bikes 7 miles, ho
mestny [16]

Answer:

Find how much she will be paid per mile to make it easier.

.25 * 4 = 1

.90 * 4 = 3.60

Now you know she earns 3.60 per mile, multiply that by 7.

3.60 * 7 = $25.20 total.


6 0
3 years ago
Read 2 more answers
Pls answer the question
Lunna [17]

Answer:

b

Step-by-step explanation:

each always has a x

4 0
3 years ago
How to work out Pythagoras Theoram​
Vlad [161]

The Pythagorean Theorem works only with right angle triangles. There are three sides: Side A, Side B, and the hypotenuse.

The formula for the Pythagorean Theorem is: a^2 + b^2 = c^2

To find the answer (without the exponent), you should find the square root.

Now that we have the formula, let's apply it to a triangle:

90^2 + 95^2 = c^2 =

8100 + 9025 = 17125

Square root = 130.86252328302

130.86252328302 is the exact measure of the hypotenuse.

I hope this helped!

Please mark brainliest :)

Have an amaing day!

7 0
3 years ago
Root of 108 is between______ and ______
natita [175]
Without using a calculator I would say the root is between 10 and 11 

How I found the answer:
I know 10 * 10 = 100
I know 11 * 11 = 121
So the root of 100 = 10 and the root of 121 = 11 so that means the root of 108 is somewhere between 10 and 11, which the root of 108 =  10.3923

5 0
3 years ago
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