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insens350 [35]
3 years ago
6

HELP PLEASE ASAP! BRAINLIESTTTT

Mathematics
1 answer:
erik [133]3 years ago
4 0
1.) Which variable did you plot on the x-axis, and which variable did you plot on the y-axis?
x-axis represents people's arms span, y-axis represents their corresponding height

2.) Explain why you assigned the variables in that way.
because you can find the height of people(y) by plugging arm span in x. And i can find people's arm span(x) by plugging height as y
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Complete the square to transform the quadratic equation into the form
faltersainse [42]

The square of a binomial is written like

(x\pm a)^2 = x^2\pm 2ax + a^2

In your case, you have 2ax=-8x, which implies a=-4

So, we want to write

(x-4)^2 = x^2-8x+16

But our left hand side is

x^2-8x-10

If we add 26 to both sides, we have

x^2 - 8x - 10 +26 = 18+26 \iff x^2-8x+16=44 \iff (x-4)^2=44

7 0
3 years ago
What percent us 28 of 70?
RoseWind [281]
   
\displaystyle\\
 \frac{28}{70} ^{(7} =  \frac{4}{10} = \frac{40}{100} = \boxed{40\%}



3 0
3 years ago
Which are the correct measures for
-BARSIC- [3]

Answer:

option c is the correct answer

Step-by-step explanation:

∠YXZ+117°=180°

∠YXZ=180°-117°

∠YXZ=63°

63°+36°+∠YZX=180°(sum of angles is 180)

99°+∠YZX=180

∠YZX=180-99

∠YZX=81

5 0
3 years ago
[20 points] -x + 4 = 9
sveta [45]

Answer: x = -5

Step-by-step explanation:

-x + 4 = 9

     -4   -4

-x = 5

divide by -1 on both sides

x = -5

4 0
3 years ago
Read 2 more answers
What is the length of the diagonal of the square shown below?
Tatiana [17]

Answer:

sqrt(50)

Step-by-step explanation:

Since it is a right triangle, we can apply the Pythagorem Theorem.

a^2 + b^2 = c^2

25 + 25 = c^2

50 = c^2

c = sqrt(50)

6 0
3 years ago
Read 2 more answers
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