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3 years ago

Which expression is equivalent to

Mathematics

1 answer:

Nuetrik [128]3 years ago

5 0

Answer:

Answer is option 4) 4(21+4)

Step-by-step explanation:

We know that 84+16 = 100

And from the option 4. we know that

4(21+4) = 4×25 = 100

So the equation 84+16 is equivalent to 4(21+4)

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notka56 [123]

Answer:

2.49

Step-by-step explanation:

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Ganezh [65]

Answer:

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Step-by-step explanation:

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3 years ago

A new Youth Activity Center is being built in Hadleyville. The perimeter of the rectangular playing field is 442 yards. The leng

MissTica

Answer:

45 yards and 176 yards

Step-by-step explanation:

Perimeter of a rectangular playing field = 2(Length + width)

P = 2(L+W)..................... Equation 1

From the question,

Let the width of the rectangular playing field = x yards,

The the Length = 4x-4 yards.

Given: P = 442 yards.

Substitute these values into equation 1

442 = 2(4x-4+x)

442/2 = 5x-4

221 = 5x-4

5x = 221+4

5x = 225

x = 225/5

x = 45 yards.

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8 0

3 years ago

Simplify an expression for the area of a rectangle with side lengths 12 and (5/6x+23).

lesantik [10]

Answer:

10x+23 (pretty sure) and the * means multiply

Step-by-step explanation:

$12*(5\6x+23)\\12*5/6x\\12/1*5/6x\\60/6x\\10x+23$

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3 years ago

Eduardo is painting a rectangular wall that is 96 inches high and 110 inches long. What is the area of the wall?

EastWind [94]

<h3>Required Answer:-</h3>

Here the height and length are the sides of the rectangular wall and we have to find the area.

Area of rectangle is given by:

$= l \times b$

where l is the length and b is the breadth/width according to the question. Plugging the given values:

$= 110 \times 96 \: {inch}^{2}$

$= 10560 \: {inch}^{2}$

<h3>Hence:-</h3>

The area of the wall is 10560 inch²

8 0

4 years ago