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Kryger [21]
3 years ago
5

What is the percent of increase from 50 to 65

Mathematics
2 answers:
mrs_skeptik [129]3 years ago
6 0
The answer is 30%
A change from 50 to 65 represents a positive change (increase) of 30%
morpeh [17]3 years ago
4 0
30% is the percentage increase, hope I helped :)
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Step-by-step explanation:

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5 scholars ran a marthon each one ran 1\5 of a mile how far did the students run in all
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Answer:

  1 mile

Step-by-step explanation:

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3 years ago
The length of a rectangle is 3cm more than twice the width. The perimeter is 84 cm. Find the dimensions .
blsea [12.9K]

Width of the rectangle is 13 cm and length is 29 cm.

<u>Step-by-step explanation:</u>

Step 1:

Given perimeter of the rectangle = 84 cm. Let the width be x, then the length of the rectangle = 2x + 3. Use the formula for perimeter of a rectangle = 2(length + width) to find the dimensions.

84 = 2(2x + 3 + x) = 2(3x + 3) = 6(x + 1) [taking 3 as common factor outside)

⇒ 84 = 6x + 6

⇒ 78 = 6x

∴ x = 13

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4 0
3 years ago
Which expressions are equivalent to -90-60w−90−60wminus, 90, minus, 60, w?
Vinil7 [7]

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3 0
3 years ago
Find the surface area of the rectangular prism. justify your answer 3ft, 2ft, 4ft
Gelneren [198K]

Answer: SA=52\ ft^2

Step-by-step explanation:

The surface area of a rectangular prism can be calculated with the following formula:

SA = 2wl + 2lh + 2hw

Where "l" is the length of the rectangular prism, "w" is the width and "h" is the height.

In this case you can say that the length, the width and the heigth of this rectangular prism, are the following:

l=4\ ft\\\\w=2\ ft\\\\h=3\ ft

Knowing these values, you can substitute them into the formula shown before:

SA = 2wl + 2lh + 2hw\\\\SA = 2(2\ ft)(4\ ft) + 2(4\ ft)(3\ ft)+ 2(3\ ft)(2\ ft)

Finally, you must evaluate in order to calculate the surface area of the rectangular prism.

You get that this is:

SA=2(8\ ft^2)+2(12\ ft^2)+2(6\ ft^2)\\\\SA=16\ ft^2+24\ ft^2+12\ ft^2\\\\SA=52\ ft^2

4 0
4 years ago
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