2 years ago

Which of the following equations has a slope of -3 and a y-intercept of 8? *

Mathematics

1 answer:

Scrat [10]2 years ago

5 0

There aren’t any equations attached

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The big wheel could have a 52 inch diameter and the small wheel could have an 18 inch diameter, what is the circumference of the

kati45 [8]

26 inch diameter because 52 divided by 2 is 26.

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3 years ago

You have $7000 with which to build a rectangular enclosure with fencing. The fencing material costs $30 per meter. You also want

Arlecino [84]

Answer:

1857.12 square meters

Step-by-step explanation:

Let L be the length of the rectangle and 'W' be the width

Perimeter = $2L + 2W + 2W$

The fencing material costs $30 per meter.

The material for the partitions costs $25 per meter

$cost=30(2L + 2W) +25( 2W)\\60L+60W+50W\\60L +110W$

$7000=60L+110W$

Solve for L

$7000=60L+110W\\7000-110W= 60L\\L=\frac{700}{6} -\frac{11}{6} W$

Area = length times width

$( \frac{700}{6} -\frac{11}{6} W)(W)\\A(W)=\frac{700}{6}W -\frac{11}{6} W^2$

Now take derivative and set it =0

$A(W)=\frac{700}{6}W -\frac{11}{6} W^2\\A'(W)=\frac{700}{6} -\frac{22}{6} W$

set the derivative =0 and solve for W

$0=\frac{700}{6} -\frac{22}{6} W\\\frac{700}{6}=\frac{22}{6} W\\W= 31.8$

So width = 31.8 that gives maximum area

$L=\frac{700}{6} -\frac{11}{6} (31.8)=58.4$

$Area = length \cdot width = 31.8 \cdot 58.4= 1857.12$ square meter

4 0

2 years ago

Plz help will mark brainliest if right

Fiesta28 [93]

Answer:

sorry

Step-by-step explanation:

5 0

2 years ago

Answers: A, B, C, D please answer right

soldier1979 [14.2K]

Answer:

Triangle C

Step-by-step explanation:

Because triangle C is in the same orientation, meaning it was not flipped, it is a simple translation.

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2 years ago

A suit is on sale for $154. If the original price of the suit was $440, what percent was discounted for the sale

Zina [86]

440(100-p)/100=154

440(100-p)=15400

44000-440p=15400

-440p=-28600

p=65%

So the price was discounted 65% off the original price.

5 0

2 years ago