2 years ago

Does any one nows how to solve this

Mathematics

1 answer:

8090 [49]2 years ago

8 0

Yes this is so easy just ask your find and that’s the answer

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1. Which of the following values of n will make the below equation true? n × (−2+5 ) = −8+20

Salsk061 [2.6K]

Answer:

1a 2a

Step-by-step explanation:

n × (−2+5 ) = −8+20

n × 3 = 12

n = 4

2 + (n+6) = −1+6

n + 8 = 5

n = -3

7 0

2 years ago

Tell me quick and i will give thou brainliest

Anit [1.1K]

c, the answer is going by 3, so it is c.

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3 years ago

Read 2 more answers

How is perimeter measured?

Trava [24]

Answer:

c- linear units

Step-by-step explanation:

edg :)

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2 years ago

hey! please help with this!!! Write all the 12 answer of measurements. If you can’t do it and you think it’s a lot you don’t hav

jarptica [38.1K]

Answer:

1) 1 and 4

2) 1 and 2

3) 1 and 5

4) 2 and 3

5) 130

6) 90

7) 25

8) 115

9) 70

10) 115

11) 40

12) 105

Step-by-step explanation:

Hope this isn't spam! Lol

4 0

2 years ago

What is the equation of a parabola in vertex form for a line that passed through (5,-4) and has vertex (-2,5)

Ahat [919]

$\text{The vertex form of a parabola}\\\\y=a(x-h)^2+k\\\\\text{We have the vertex}\ (-2,\ 5)\to h=-2,\ k=5.\\\\\text{Substitute}\\\\y=a(x-(-2))^2+5=a(x+2)^2+5\\\\\text{We have the point}\ (5,\ -4).\\\text{Substitute the coordinates of the point to the equation:}\\\\-4=a(5+2)^2+5\\\\-4=a(7)^2+5\\\\-4=49a+5\qquad|-5\\\\-9=49a\qquad|:49\\\\a=-\dfrac{9}{49}\\\\Answer:\ \boxed{y=-\dfrac{9}{49}(x+2)^2+5}$

5 0

3 years ago