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Oksi-84 [34.3K]

3 years ago

6

If Alice would to leave her house around 6:30am and get back about 7:15am, but its a 21 mintue walk to and back. Will she make i

t back before 7:15am or after

2 answers:

Naddik [55]3 years ago

5 0

Before 7:15 is the answer.

6:30 + 21 minutes + 21 minutes puts the time back at 7:12.

alex41 [277]3 years ago

4 0

Before Because It Will Only Be 7:12

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To the nearest 0.01 degree, what angle of descent (angle of depression) must a plane 50 horizontal miles from the airport and at

HACTEHA [7]

20,000÷50=
$20000 \div 50 = 400ft$
The plane needs to descend at 400 ft per mile.

At 40 degrees?

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3 years ago

A cement walkway of uniform width has been built around an in-ground rectangular pool. the area of the walkway is 1344 square fe

Elza [17]

Answer:

6 feet.

Step-by-step explanation:

Dimensions of the Pool =80 feet long by 20 feet wide

Area of the walkway =1344 square feet.

If the width of the walkway=w

Length of the Larger Rectangle =80+2w
Width of the Larger Rectangle =20+2w

Area of the Walkway =Area of the Larger Rectangle - Area of the Pool

$1344=(80+2w)(20+2w)-(80*20)\\1344=80*20+160w+40w+4w^2-80*20\\4w^2+200w=1344\\4w^2+200w-1344=0\\We factorize\\4(w^2+50w-336)=0\\4(w^2-6w+56w-336)=0\\w(w-6)+56(w-6)=0\\(w-6)(w+56)=0\\w-6=0$ or $ w+56=0\\w=6$ ft or $ w=-56$ \\Therefore, the width of the walkway , w=6 feet.$

6 0

3 years ago

If you help me I give you branliest

Vanyuwa [196]

Answer:

option 4

Step-by-step explanation:

$m \angle MNO = \frac{1}{2} \times m MN\\\\$

$= \frac{1}{2} \times 150 \\\\= 75^ \circ$

4 0

3 years ago

Which Factors would simplify in this expression?

kolbaska11 [484]

Answer:

(x+6)

Step-by-step explanation:

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7 0

3 years ago

Find the area of the circle <br><br> r = 6 ft

Andru [333]

If the radius of the circle is 6 feet. Then the area of the circle will be 113.097 square feet.

<h3>What is a circle?</h3>

It is the centre of an equidistant point drawn from the centre. The radius of a circle is the distance between the centre and the circumference.

The radius of the circle is 6 feet.

Then the area of the circle will be

Area = πr²

where r is the radius of the circle. Then we have

Area = π × 6²

Area = 36π

Area = 113.097 square feet

More about the circle link is given below.

brainly.com/question/11833983

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5 0

2 years ago