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2 years ago

Simple percent question!!!!

Mathematics

1 answer:

sveticcg [70]2 years ago

3 0

Answer:

60ft

Step-by-step explanation:

DC is 50% longer than BD (given)

BD is 40ft (given)

DC is 50% longer than BD this means that DC= BD+50% of BD

40ft +50/100 * 40

=40ft +20ft

=60ft

Another way to solve this could be DC is 150%of BD as BD =40ft=100% of it's length.

So, 150/100 *40

=60ft

Hope this helps.

Please mark me as brainliest.

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Whenever there is no exponent on a variable,

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2 years ago

Cynthia Besch wants to buy a rug for a room that is 19 ft wide and 32 ft long. She wants to leave a uniform strip of floor aroun

Rainbow [258]

Answer:

The rug should be 15 ft wide and 28 ft long.

Step-by-step explanation:

I have attached a figure that represents the situation.

The the rug is $l$ by $h$ , the width of the strip of floor is $w$ .

We are told that Cynthia can only afford 420 square feet of carpeting; therefore, it must be that

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From the figure we see that

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Therefore,

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We expand this equation and get:

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using the quadratic equation we get two solutions:

$w=2\\w=23.5$

since the second solution, namely $w=23.5$ , is larger than one of the dimensions of the room (is greater than 19 ft) it cannot be the width of the strip; therefore, we take $w=2$ to be our solution.

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8 0

3 years ago

Will mark as brainliest ...

Anuta_ua [19.1K]

Answer:

Third sequence (7, 2, 1, -4, -10)

In the first sequence, -4 has to be in front of -10 because it is larger.

In the second sequence, 7 goes in the beginning, with 2 then 1 following, with -4 behind and -10 behind -4.

In the third option, 7 must be in the front, with 2, 1, then -4, then -10 following.

The answer = third sequence.

Hope it helped!

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3 years ago

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viktelen [127]

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2 years ago

What is the surface area of this wooden board

Sindrei [870]

Answer:

The answer is C. 736 in.

Step-by-step explanation:

A=2(wl+hl+hw)=2·(4·60+2·60+2·4)=736

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2 years ago

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