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Verdich [7]
3 years ago
9

Please send help Asap

Mathematics
1 answer:
Marizza181 [45]3 years ago
5 0

Answer:

10

Step-by-step explanation:

13+-8-(-5)+10

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Almost done with my hw but stuck on this one please help ​
Mashutka [201]

Answer:

<h2>z = 27°</h2>

Because that angle is 30°.

it's nearest value is 27.

6 0
3 years ago
What is -a^-2 if a=-5
Leviafan [203]
-a^{-2}=-(-5)^{-2}=-\left(\dfrac{1}{-5}\right)^2=-\dfrac{1}{25}
3 0
3 years ago
An equilateral triangle has three equal sides.
Flauer [41]

Answer:

Step 1. Perimeter P means adding up all three sides of a triangle.

Step 2. Then P=s+s+s=3s where s is the length of the side of the equilateral triangle.

Step 3. ANSWER: Perimeter P=3s.

I hope the above steps and explanation were helpful.

Step-by-step explanation:

HOPE THIS HELPS

6 0
2 years ago
Read 2 more answers
What method would you choose to solve the equation 2x2 – 7 = 9? Explain why you chose this method.
Kisachek [45]
<span>This is a quadratic equation . We order to equate to zero

</span>2x²<span> – 7 = 9  
 </span>
2x² - 7-9 = 0
2x² - 16 = 0

This equation is a binomial
2* (x² - 8) = 0
<span>We choose the simplest method . The equation with practice it can be calculated in the memory
</span><span>
The product is equal to 0 if one of the factors is zero
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2≠0  ∨     x² - 8 = 0
               x² = √8
               x = √8     ∨  x= - √8

Answer : x = √8 ∨ x = -√8
5 0
2 years ago
Read 2 more answers
WILL GIVE BRAINLIST SOON AS I CAN. please help.​
VARVARA [1.3K]

Answer:

201.2

Step-by-step explanation:

area= s^2n

        -----------  ( 180)

         4+9        ---------

                          ( n )

Area equals S squared n over four plus nine times ( 180 over n )

5 0
3 years ago
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