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babunello [35]
4 years ago
6

Please helpppppppppp meeee

Mathematics
1 answer:
iragen [17]4 years ago
4 0

Answer:

Step-by-step explanation:

Ex 1 : B

Ex 2; B

Ex 3; D

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Steps are very much required they should be clear and neat please i need to understand this I'm taking a practice test for my fu
Volgvan

Answer:

2nd option

Step-by-step explanation:

the mean is calculated as

mean = \frac{sum}{count}

         = \frac{4x+5+7x-6-8x+2}{3}

         = \frac{3x+1}{3}

         = \frac{3x}{3} + \frac{1}{3}

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2 years ago
Translate each question.<br> Four times the difference of a number and 7 is 32
schepotkina [342]
“Four times the difference of a number and 7 is 32”
Translation-
4(x-7)=32
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3 years ago
5. Two vertices of a rectangle are (8,-5) and (8,7). If the area of the rectangle is 72 square units, name the possible location
Phantasy [73]

Answer:

<h3>#5</h3>

<u>Given vertices:</u>

  • (8, -5) and (8, 7)

These have same x-coordinate, so when connected form a vertical segment.

<u>The length of the segment is:</u>

  • 7 - (-5) = 12 units

The area of the rectangle is 72 square units, so the horizontal segment has the length of:

  • 72/12 = 6 units

<u>Possible location of the remaining vertices (to the left from the given):</u>

  • (8 - 6, -5) = (2, -5)

and

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<h3>#6</h3>

<u>Similarly to previous exercise:</u>

  • (5, -8) and (5, 4) given with the area of 48 square units

<u>The distance between the given vertices:</u>

  • 4 - (-8) = 12 units

<u>The other side length is:</u>

  • 48/12 = 4 units

<u>Possible location of the other vertices (to the right from the given):</u>

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and

  • (5 + 4, 4) = (9, 4)
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Focus of a parabola: 4p(y-k)=(x-h)^2 where vertex (h,k) p is the distance from vertex to focus
4*4(y-0)=(x-0)^2 \\ 16y=x^2 \\ y= \frac{1}{16}x^2

3 0
3 years ago
Your height is 5 feet and 1 5/8 inches. Your friend’s height is 5.6 feet. Who is taller?
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Not your friend you cause if you add 5 ft+1 5/8 it’s gonna be more than 5.)
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