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babunello [35]
3 years ago
15

Why is it impossible for m

Mathematics
1 answer:
lana [24]3 years ago
5 0

Answer:

? What M? What is impossible?

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Translate to a quadratic​ equation, then solve using the quadratic formula. The length of a rectangular air filter is 3 inches l
balu736 [363]

Answer:

Width of the rectangle = 17 inches

Length of the rectangle = 31 inches

Step-by-step explanation:

Let w be the width of the rectangle.

Given:

Width of the rectangle = w

Length of the rectangle = 2w - 3

Area of the rectangle =527\ inches^{2}

Solution:

We know that the area of the rectangle.

Area\ of\ rectangle = length\times width

w(2w-3)=527

2w^{2}-3w-527=0

Now, we first find the root of the above equation.

Use quadratic formula with a=2, b=-3, c=-527.

t=\frac{-b\pm \sqrt{(b)^{2}-4ac}}{2a}

Put a, b and c value in above equation.

w=\frac{-(-3)\pm \sqrt{(-3)^{2}-4(2)(-527)}}{2(2)}

w=\frac{3\pm \sqrt{9+8\times 527}}{4}

w=\frac{3\pm \sqrt{9+4216}}{4}

w=\frac{3\pm \sqrt{4225}}{4}

w=\frac{3\pm 65}{4}

For positive sign

w=\frac{68}{4}

w = 17 inches

So, width of the rectangle is 17 inches.

Length of the rectangle.

Length = 2\times w-3

Length = 2\times 17-3

Length = 34-3

Length = 31 inches

So, length of the rectangle is 31 inches.

Therefore, width and length of the rectangle is 17 inches and 31 inches.

5 0
4 years ago
Simplify this expression: 19 - (-8) - (-14) = ? A. 41 B. 25 C. -7 D. -3
natulia [17]

Answer:

A. 41

Step-by-step explanation:

19 - (-8) - (-14) =

19+8+14

Remember: Two negatives=One positive ;)

27+14

41

A. 41

7 0
3 years ago
Read 2 more answers
The table shows the relationship between the number of cups of cereal in the number of cups of raisins in a cereal bar recipe ja
adoni [48]

Answer:

c i think

Step-by-step explanation:

3 0
2 years ago
Maya has 150 caramel apples to sell. Each caramel apple is covered with one topping.
icang [17]

Answer:

25

Step-by-step explanation:

First you have to figure out how much each is worth by itself.

carmel =30

coco chips =50

coconut= 45

then add all of them you'd get 125

subtract 125 from 150 and get 25

4 0
3 years ago
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Timothy has computer class 3 times a week. Each class is 45 minutes long. How many hours of computer class does Timothy have per
bulgar [2K]
18 classes
i might be wrong
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3 years ago
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