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Blizzard [7]
4 years ago
5

Someone please help me with number 13

Mathematics
1 answer:
wolverine [178]4 years ago
8 0
X = 60 degrees.

This is because the perimeter of a triangle MUST add up to 180 degrees. Since this is an equilateral triangle (meaning each side is the same length) and each side is 60 degrees, 180-120 (120 because 60 x 2 = 120) = 60. 
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pls help me with this :/. this is due in like 5 mins!!! (i’ll mark brainiest if u don’t leave a link just pls help me!)
Lunna [17]

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Hope this helped!

4 0
3 years ago
Read 2 more answers
F(x) = 2x^2+ 5x + 20<br><br> Find f(-9)
8_murik_8 [283]

Answer:

137

Step-by-step explanation:

2(-9)^2+5(-9)+20

2(81)-45+20

162-45+20

117+20

137

8 0
4 years ago
7th grade math help. Check answers too please
seraphim [82]

Answer: It looks correct to me !

Step-by-step explanation:

6 0
4 years ago
What division problem equals 9/5
EleoNora [17]

Answer:

9÷5=9/5

Step-by-step explanation:

3 0
3 years ago
Use the quadratic model y=-4x^2-3x+4 to predict y if x equals 5.
Vitek1552 [10]

Answer:

y = - 111

Step-by-step explanation:

Substitute x = 5 into the quadratic for y

y = - 4(5)² - 3(5) + 4 = - 100 - 15 + 4 = - 111

4 0
3 years ago
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