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3 years ago

If a rectangle is 30 feet long and the perimeter is 78 feet. What would be the width of the rectangle?

Mathematics

1 answer:

mario62 [17]3 years ago

3 0

Answer:

The width should be 9 feet in this situation

Step-by-step explanation:

(30 x 2) + (9 x 2) =

60 + 18 =

78 ft

78 - (30 X 2) =

78 - 60 =

18 / 2 =

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mezya [45]

W-1/4= 3/7

W-1/4+1/4= 3/7+1/4

find the common denominator for the fractions

common denominator is 28

Multiply by 4 , top and bottom for 3/7

Multiply by 7 , top and bottom for 1/4

W= 12/28+7/28

W= 19/28

Answer is W= 19/28

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3 years ago

Solve image below:

ludmilkaskok [199]

Answer: $x=\frac{6}{-3y+8}$

Step-by-Step Explanation:

Let's solve for $x$ .

$\frac{x-2}{3y-5} =\frac{x}{3}$

Step 1: Multiply both sides by $3y-5$ .

$x-2=\frac{3xy-5x}{3}$

Step 2: Multiply both sides by $3$ .

$3x-6=3xy-5x$

Step 3: Add $-3xy$ to both sides.

$3x-6+-3xy=3xy-5x+-3xy$

$-3xy+3x-6=-5x$

Step 4: Add $5x$ to both sides.

$-3xy+3x-6+5x=-5x+5x$

$-3xy+8x-6=0$

Step 5: Add $6$ to both sides.

$-3xy+8x-6+6=0+6$

$-3xy+8x=6$

Step 6: Factor out variable $x$ .

$x(-3y+8)=6$

Step 7: Divide both sides by $-3y+8$ .

$\frac{x(-3y+8)}{-3y+8}=\frac{6}{y-3y+8}$

$x=\frac{6}{-3y+8}$

Answer:

$x=\frac{6}{-3y+8}$

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3 years ago

Greg throws a snowball hitting Kyle 3 out of 5 throws. If Greg makes 60 throws, how many times does he hit Kyle?

evablogger [386]

36 throws because you divide 60 by five and get 12 and then multiply 3 by 12 giving you 36, are you sure this is high school

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3 years ago

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AnnyKZ [126]

Answer:

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Sum the 3 given angles and equate to 180

x + 2x + 2 + 3x + 4 = 180, that is

6x + 6 = 180 ( subtract 6 from both sides )

6x = 174 ( divide both sides by 6 )

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