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3241004551 [841]
3 years ago
14

Please help! Please explain and actually help!

Mathematics
2 answers:
stealth61 [152]3 years ago
7 0

Answer:

17

Step-by-step explanation:

According to the Pythagorean theorem, a^2+b^2=c^2, where a and b are the two legs of a right triangle, and c is the hypotenuse. In this scenario, the two legs are 8 and 15, and we are asked to find the hypotenuse. Plugging the two values in, we have 64+225=c^2, where 64 is 8 squared and 225 is 15 squared. Adding, we have the two values as 289. If you don't know your squares, I suggest you take a look at a list or even memorize your squares until 30, but 289 is actually 17 squared. If c^2=289, then c = \sqrt{289}, which is 17.

7nadin3 [17]3 years ago
5 0
Hiiiiiiiiiiiiii I Think is 17, have a nice day-*
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If a is less than 10 and b is less than 5,it must be true that
Misha Larkins [42]
D. The greatest a can be is 9 and the greatest b can be is 4. a+b= 13 which is less than 20
4 0
4 years ago
-9 - 5 this would help me a lot please
krok68 [10]

Answer:

-14

Step-by-step explanation:

Think of it like this-

subtracting a negative is like adding a positive, so all you have to do is add a negative sign to the sum after solving these sort of problems :>

Hope this helps!

7 0
3 years ago
Read 2 more answers
Solve the equation by using the quadratic formula. x^2+2x=6​
katrin [286]

Answer:

\Huge \boxed{{x=-1\pm \sqrt{7}}}

Step-by-step explanation:

x² + 2x = 6

Subtract both sides by 6.

x² + 2x - 6 = 0

ax²+bx+c=0

a=1, b=2, and c=-6

We can apply the quadratic formula.

\displaystyle x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}

Plug in the values.

\displaystyle x=\frac{-2\pm\sqrt{2^2-4(1)(-6)}}{2(1)}

Evaluate.

\displaystyle x=\frac{-2\pm\sqrt{4-(-24)}}{2}

\displaystyle x=\frac{-2\pm\sqrt{28}}{2}

\displaystyle x=\frac{-2\pm 2\sqrt{7}}{2}=-1 \pm \sqrt{7}

6 0
3 years ago
What fraction of the students are girls give your answer in its simplest form
dezoksy [38]

Answer:

45% of students are female or 15/32

Step-by-step explanation:

We find out their is 72 Boys and 60 Girls

We add both together to get 132 Students

Then we divide to get our number/fraction

60/132 = 15/32 or 45%

MARK AS BRAINLIEST

5 0
3 years ago
PLEASE ANSWER THIS ASAP ASAP
Alex

12 = 15 (z - 1/5)

12 = 15z - 3

+3          +3

15 = 15z

15 (÷ 15) = 15z (÷ 15)

1 = z

Hope I helped!!! :)

8 0
4 years ago
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