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2 years ago

The scale on the map is 2 inches = 50 miles. If the distance between the two cities is 175 miles, how many

Mathematics

1 answer:

iVinArrow [24]2 years ago

3 0

Answer:

7 inches

Step-by-step explanation:

you divide 50 into 150 and then you get 3.5. then you take 3.5 and times it by 2 to get 7.

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Answer:

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Step-by-step explanation:

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3 years ago

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You have 100 feet of fencing and decide to make a rectangular garden. What is the largest area enclosed

k0ka [10]

Answer:

625 ft^2

Step-by-step explanation:

Given

$P = 100$ --- perimeter

Required

The largest area

The perimeter is calculated as:

$P = 2 * ( L + W)$

So, we have:

$2 * ( L + W) = 100$

Divide both sides by 2

$L + W = 50$

Make L the subject

$L = 50 - W$

The area is calculated as:

$A= L * W$

Substitute $L = 50 - W$

$A= (50 - W) * W$

Open bracket

$A = 50W - W^2$

Differentiate with respect to W

$A' = 50 -2W$

Set to 0; to get the maximum value of W

$50 - 2W = 0$

Collect like terms

$-2W = -50$

Divide by -2

$W = 25$

So, the maximum area is:

$A = 50W - W^2$

$A = 50 * 25 - 25^2$

$A = 1250 - 625$

$A = 625$

3 0

2 years ago

You and your family are planning a roadtrip. You determine that the distance you need to drive is 660 miles and that you can ave

iris [78.8K]

Answer:

11 hours

Step-by-step explanation:

Find how many hours the trip will take by dividing the number of miles by the rate in miles per hour:

660/60

= 11

So, the trip will take 11 hours

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2 years ago

Which postulate proves the two triangles congruent?

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B) SAS

Step-by-step explanation:

Notice that there are two pairs of congruent sides, AC is congruent with ZX, and BC is congruent with YZ. Since there's one angle in each triangle that's congruent to each other, we can say B is the only true answer.

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2 years ago

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Answer: Disc, Congruent, parallel

Step-by-step explanation:

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2 years ago

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