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Akimi4 [234]
2 years ago
12

The graph below shows a line of best fit for data collected on the average heights of children.

Mathematics
2 answers:
mestny [16]2 years ago
8 0
A. 41 inches
look where the line of best fit intercepts at 6 on the x axis.
a_sh-v [17]2 years ago
6 0

Answer:

A. 41

Step-by-step explanation:

Look at the number 6 and follow the line until it shows you the number, which 41

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Find all of the points of the form (x, −x) which are 7 units from the origin.
Morgarella [4.7K]

Answer:

  • (-7, 0) and (7, 0)

Step-by-step explanation:

<u>All the points that are 7 units from the origin are on the circle:</u>

  • x² + y² = 7²

<u>The maximum and minimum values of x obtained when y = 0:</u>

  • x² = 7²
  • √x² = √7²
  • x = ± 7

So

  • min x = -7 and
  • max x = 7

<u>The points are:</u>

  • (-7, 0) and (7, 0)
3 0
3 years ago
Read 2 more answers
if a tv has a diagonal measurement of 55 and a height of 30, what is the tvs width? round to the nearest whole number
Sati [7]

Answer:

  46

Step-by-step explanation:

The geometry can be modeled by a right triangle. The diagonal measure is the hypotenuse, and the height is one leg. The width is the other leg, and can be found using the Pythagorean theorem.

__

<h3>Pythagorean theorem</h3>

The relation between the leg lengths (a, b) and the hypotenuse (c) is ...

  c² = a² +b²

Solving for b gives ...

  b = √(c² -a²)

<h3>application</h3>

In this problem, we have c=55 and a=30. Then the width of the TV is ...

  b = √(55² -30²) = √(3025 -900) = √2125

  b ≈ 46.098

The width of the TV is about 46.

7 0
2 years ago
Help due now pleaseee
DENIUS [597]

Answer:

d

Step-by-step explanation:

base² + Altitude² = Hypotenuse²

 x² + 9² = 13²

x² + 81 = 169

       x² = 169 - 81

      x² = 88

      x = \sqrt{88}

     x = \sqrt{2*2*2*11}=2\sqrt{2*11}\\\\x=2\sqrt{22}

6 0
3 years ago
Read 2 more answers
How do you do percentages?​
Travka [436]

https://www.skillsyouneed.com/num/percent-change.html

8 0
3 years ago
Read 2 more answers
Please help me out on this please
Alina [70]

Answer:

8/15

please like my answer and brainliest me HSHSSHSHS

7 0
3 years ago
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