3 years ago

The function f(x) = -3/4x^2 +9/2x models, in feet, the shape of a doorway arch on a historic building. How high is the

Mathematics

1 answer:

slamgirl [31]3 years ago

3 0

Is has to be 7.25 feet.

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The coordinates of three vertices of a rectangle are (4,3), (3,0), and (-2,0). what are the coordinates of the fourth vertex?

KATRIN_1 [288]

(-1, 3)
this is because in a coordinate plane, using the coordinates you gave it is the missing vertice is (-1,3)

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3 years ago

A bus travels 12 miles in 20 minutes at this rate how many miles does the bus travel in 60 minutes

Dovator [93]

Answer:

If I'm answering this right, the bus should have travel 36 miles in 60 minutes.

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3 years ago

Find the value of x

olya-2409 [2.1K]

Answer:

A) 33

Step-by-step explanation:

180 - 105= 75

75 + 72 + x = 180

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2 years ago

the captain of a boat knows that the lighthouse on the coast is 200 feet tall. he measures the angle of elevation to the top of

krek1111 [17]

Answer:

The boat is 5727.25ft far from the coast

Step-by-step explanation:

Refer the figure given.

We need to find how far is the boat from the coast = AB

Angle of elevation = 2°

The lighthouse on the coast is 200 feet tall, AC = 200 ft

We have

$tan2=\frac{AC}{AB}=\frac{200}{AB}\\\\AB=\frac{200}{tan2}=5727.25ft$

The boat is 5727.25ft far from the coast

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3 years ago

Steps to solve 3 (x -5) + 7 x = 65

Novay_Z [31]

Answer:

x = 8

Step-by-step explanation:

3(x-5)+6x = 3x-15+7x

3x-15+7x = 65

10x = 80

x = 8

8 0

3 years ago

Read 2 more answers