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netineya [11]
2 years ago
12

You are building a ramp for your grandparent’s house. The ramp will replace the steps that go to their front door which is 3 fee

t off the ground. You want the ramp to start 10 ft from the front door. How long will the ramp need to be?
Mathematics
1 answer:
Crank2 years ago
4 0

Answer:

10.4403 or the square root of 109

Step-by-step explanation:

We do this by finding the height (3) and squaring it then the base (10) and squaring that, this sets up the Pythagorean theorem which is A^2+B^2=C^2 then you square C to find it's value

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Please help it's me! ​
Sever21 [200]

9514 1404 393

Answer:

  5

Step-by-step explanation:

The left side simplifies to ...

  2x +16

The right side simplifies to ...

  2x +21 -__

The x-terms are already equal. To make the constant terms equal, we want ...

  16 = 21 -__

The blank must be filled with the value 21-16 = 5 to make the statement true.

5 goes in the blank.

6 0
3 years ago
The older floppy diskettes measured 5 and 1/4 inches on each side .what was the diagonal length of the diskette to the nearest t
borishaifa [10]
Approximately 7.4 inches. You can use the Pythagorean theorem to get you diagonal or hypotenuse.
8 0
3 years ago
There is a negative correlation between the number of years in college and earnings.
n200080 [17]
It is false that there is a <span>negative correlation between the number of years in college and earnings.</span>
8 0
3 years ago
Read 2 more answers
Solve this equation. 5n+7=7(n+1)-2n
9966 [12]
Distribute 7 to both n and 1

7(n + 1) = 7n + 7

5n + 7 = 7n + 7 - 2n

Combine like terms

5n + 7 = 7n - 2n + 7

5n + 7 = 5n + 7

If you want to solve for n, subtract 7 from both sides

5n + 7 (-7) = 5n + 7 (-7)

5n = 5n

then divide 5 from both sides

5n/5 = 5n/5

n = n

Effectively, this equation is <em>unsolvable</em>

hope this helps
3 0
3 years ago
Read 2 more answers
Custumers of a phone company can choose between two service plans for long distance calls. The first plan has a $9 monthly fee a
saul85 [17]
The answer is 350.
<em>
m= minutes</em>

Plan 1:  9+0.13<em>m</em>
Plan 2:  23+0.09<em>m</em>

9+0.13<em>m</em> = 23+0.09<em>m</em>
-9               -9
0.13<em>m</em> = 14+0.09<em>m</em>
-0.09<em>m</em>        -0.09<em>m</em>
0.04<em>m</em>= 14
14÷0.04= 350
<em>m</em>= 350
3 0
3 years ago
Read 2 more answers
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