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3 years ago

The perimeter of a rectangle is 52 meters. The length is 2 1/4 times the width. What are the dimensions of the rectangle

Mathematics

1 answer:

masya89 [10]3 years ago

4 0

Answer:

Step-by-step explanation:

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How much space is taken up by a book that is 12 inches long, 10 inches wide, and 1 inch tall?

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3 years ago

Read 2 more answers

One antifreeze solution is 20% alcohol. Another antifreeze solution is 12% alcohol. How many liters of each solution should be c

katrin [286]

Use this systems of equations to solve:

x = first antifreeze
y = second antifreeze

$\left \{ {{.2x + .12y = .18(15)} \atop {x + y = 15}} \right.$

Isolate y.

x + y = 15
Subtract x from both sides.
y = -x + 15

Substitute y into the other equation.

.2x + .12(-x + 15) = .18(15)
Simplify.
.2x - .12x + 1.8 = 2.7
Subtract 1.8 from both sides.
.08x = .9
Divide both sides by .08
x = 11.25

Substitute x in the equation that we isolated y in.

y = -11.25 + 15
y = 3.75

11.25 L of the first antifreeze and 3.75 L of the second.

5 0

3 years ago

Name the property shown.

Marizza181 [45]

I believe it is d but I’m not sure

3 0

3 years ago

What is the length of the longest side ?

exis [7]

Answer:

11 feet (Option C)

Step-by-step explanation:

Let the longer side be l and the shorter side be b.

We know that,

→ Perimeter of rectangle = 2 ( longer side + shorter side )

Here,

Perimeter of rectangle is 32 feet.

→ 32 = 2 (l + b)

→ 32 = 2l + 2(5)

→ 32 = 2l + 10

→ 32 - 10 = 2l

→ 22 = 2l

→ $\sf \dfrac{22}{2}$ = l

→ 11 = l

→ 11 feet = longer side

$\therefore$ Length of the longer side is 11 feet.

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3 years ago

Simplify the complex fraction. show work. ((x+3)/(4x^2))/((2x-4)/(2x^2+10x+12))

Masteriza [31]

Photomath is useful for these kinds of problems

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3 years ago