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3 years ago

the area of a rectangular living room is 300 square feet. the length of the room is 10 feet less than twice the width

Mathematics

1 answer:

JulsSmile [24]3 years ago

6 0

Answer:

The length is 20, and the width is 15.

Step-by-step explanation:

You have to write an expression to represent this situation. w can be the width, and the length can be 2w-10. To fnd the area, you multiply these together. w(2w-10) is 2w^2 -10w. From there, 15 is the only value of w that satisfies the equation, so w=15. Substitute 15 into your expression for lngth, and 2(15)-10 is 30-10 is 20, so the length is 20.

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Good science requires that you record your observations accurately. TrueFalse

enyata [817]

Answer:

True.

Step-by-step explanation:

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2 years ago

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maks197457 [2]

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2 years ago

You buy 4 bags of sand and 3 bags of pea gravel for $24. In a second purchase (at the same prices), you buy 2 bags of sand for $

Kazeer [188]

Answer:

x = $3

y = $4

Step-by-step explanation:

We need to know the prices of gravel and peas. We can find the price by using equations and graphing them.

Let X be the price of the sand

Be and the price of pea gravel

In the first purchase we have:

$4x + 3y = 24$

In the second purchase we have

$2x = 6$

Both relations represent the equation of a line. In the graphic shown, these lines are drawn. In this case the interception between both lines represents the price of each product, and the solution of the problem. You can see that the lines intersect at point (3 4). This means that the price of each bag of sand is $ 3, and the price of a bag of pea gravel is $ 4.

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2 years ago

6/24 what is the simplified form of the fraction

Elanso [62]

Answer: 1/4

Step-by-step explanation: If you divide both 6 and 24 by 6 you get 6/6=1 and 24/6=4.

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3 years ago

Simplify: 20 - 4+2+3* 0 15 35 80 8

LUCKY_DIMON [66]

The answer would be 21... did you type something in the wrong order, or is there suppose to be an exponent? What’s the * for

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2 years ago