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rjkz [21]
3 years ago
11

A rectangle has a length of (x + 3) centimeters and a width of image x centimeters. If the perimeter is 24 centimeters, what is

the length of the rectangle? A. 9 cm B. 3 cm C. 14 cm D. 7 cm PLEASE HELP WILL MARK BRAINLIEST.
Mathematics
1 answer:
andre [41]3 years ago
3 0

2(x + 3) + 2x = 24

2x + 6 + 2x = 24

4x = 24 - 6

4x = 18

x = 3.5

length is (x + 3), so Sub x = 3.5 into (x + 3)

3.5 + 3 = 6.5

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7 0
3 years ago
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The length of the rectangle below is (2x-3) and the width is (x+7). Find the area of the rectangle in terms of x.
Alex777 [14]

Answer:

area = 2x² - 17x - 21

Step-by-step explanation:

Area of the rectangle is:

area = (width*length)

area = (x+7)*(2x-3)

        = x*2x + x*-3 + 7*2x + 7*-3

        = 2x² - 3x - 14x - 21

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4 0
3 years ago
Q3. Stefan has 4 1/2 cups of oats. He uses 3 1/4 cups to make granola bars for
AleksAgata [21]

Answer:

Days can Stefan feed

Coco with the oats he has left is 5 days

Step-by-step explanation:

Total Oats = 4 1/2 cups

He uses 3 1/4 cups to make granola bars for

a camping trip

Remaining oats after making granola bars = Total oats - oats used for granola bars

= 4 1/2 - 3 1/4

.= 9/2 - 13/4

= 18-13/4

= 5/4 cups

Remaining oats after making granola bars is 5/4 cups

Coco needs 1/4 of a cup of oats each day, how many days can Stefan feed

Coco with the oats he has left?

Days can Stefan feed

Coco with the oats he has left = Remaining oats / 1/4 cups

= 5/4 cups ÷ 1/4 cups

= 5/4 × 4/1

= 20/4

= 5 days

Days can Stefan feed

Coco with the oats he has left is 5 days

5 0
3 years ago
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Nana76 [90]

Answer:

B) sin Ф

Step-by-step explanation:

Use the pythagorean identity for cos and tan

tan  = \frac{sin}{cos }     Multiply both sides by cos

sin Ф = sin Ф

If this answer is correct, please make me Brainliest!

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