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3 years ago

This is due tomorrow, help!

Mathematics

1 answer:

schepotkina [342]3 years ago

7 0

Answer:

H = 24

Step-by-step explanation:

It would be 6 times 8 divided by 2. So 6 and 8 equal 48. Divide that by 2 and you get 24.

So the height would be 24.

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For the past three months, Grace used her cell phone for 43 minutes, 62 minutes, and 57 minutes how many minutes would she have

mina [271]

Answer:1

Step-by-step explanation:

Her average over those three months already is 54 so she has and average on 1 min left

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3 years ago

Figure ABCD is a square. Angle B measures 15 x minus 30 degrees. Find the value of x.

Yuliya22 [10]

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4 years ago

What are the values of a, b, c, d

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4 years ago

Equation of a line with slip of 5 passing through points (-4,-6)

kirill [66]

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3 years ago

A border of uniform width is placed around a rectangular photograph that measures 8 inches by 10 inches. If the area of the bord

amid [387]

Answer:

width of the border is 3 inches

Step-by-step explanation:

Given data

size = 8 inches by 10 inches

area = 144 square inches

to find out

width of the border

solution

first we consider width of border is x

area of new full rectangle = (8 + 2x ) × ( 10 + 2x )

so we know area of photo = 8 × 10 = 80 square inches

and area of border = 144 square inches that is given

so new area of photo with the border is 80 + 144 = 224 square inches

and we can say that

area of full rectangle - area of the photograph = Area of Border

(8 + 2x) × (10 + 2x) – (80) = 144 square inches

80 + 16x + 20x + $4x^{2}$ – 80 = 144

$4x^{2}$ + 36x – 144 = 0

solve thios equation we get

$2x^{2}$ + 9x – 36 = 0

solve thios equation we get

(x + 12) (x – 3) = 0

so here x have two value one is negative and other is positive

so we consider only positive value

x = -12 or x = 3

width of the border is 3 inches

7 0

3 years ago

This is due tomorrow, help! ​

This is due tomorrow, help!