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jeyben [28]
3 years ago
10

True of false: If a right triangle has legs of length 8 and 15, then we know the length of the hypotenuse is the square root of

8^2 + 15^2, which equals 17.
Mathematics
2 answers:
just olya [345]3 years ago
8 0
True would be the answer because the pythagorean theorem is a^2+b^2=c^2, and to find c, the formula would be

(length of hypotenues)square root of c^2=square root of (8^2+15^2)
nasty-shy [4]3 years ago
7 0
The answer is true, it will equal to 17!
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Reduce to simplest form. - 3/5 + 1/3
Pani-rosa [81]

Answer: -4/15

Step-by-step explanation: To add these two fractions together,

we start by finding their <em>Least Common Denominator</em> (LCD).

Since our denominators of 5 and 3 have no factors in common,

our least common denominator is 5 · 3 or 15.

In order to get a denominator of 15 in each fraction,

we multiply top and bottom of the first fraction by 3

and top and bottom of the second fraction by 5.

That gives us -9/15 + 5/15 which simplifies to -4/15.

As your last step, make sure that the fraction

that you end up with doesn't reduce.

In this case, -4/15 does not reduce but watch out for this last step.

8 0
3 years ago
What is 0.279 times 53
sweet-ann [11.9K]
The answer to this problem would be:
0.279 x 53 = 14.787
4 0
3 years ago
write the correct Equation and Solve. Use x for the variable. The difference of four times a number and seven is thirteen​
Verizon [17]

Answer:

Step-by-step explanation:

Let the number be x

4times a number  =4x

The difference of four times a number and seven : 4x - 7

4x - 7 = 13

      4x = 13 + 7

      4x = 20

        x = 20/4

        x = 5

7 0
3 years ago
A car costs 25, 750.00 and depreciates in value by 20% per year. How much will the car be worth after 5 years
Virty [35]
I think its D. $20,600
3 0
3 years ago
using the associative property, 9 + (6 - 3) = (9 + 6) + 3. is 9 - (6 - 3) equal to (9 - 6) - 3? explain.
goldfiish [28.3K]
No because it only works with addition and multiplication

9+(-6-3)=(9-6)-3 is true tho



9-(6-3)=9-(3)=6
(9-6)-3=(3)-3=0
so not equivilent
4 0
3 years ago
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