2 years ago

Which ordered pair is in the solution set of 2x - 5y ≥ 10?

Mathematics

1 answer:

Taya2010 [7]2 years ago

6 0

(3,5)

Step-by-step explanation:

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DC= 10 what is the value of AD

yanalaym [24]

Answer:

where is required question. comment me.

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2 years ago

In 2010, the continent of South America had a population of 395,280,204 . Which of the following is the closest estimate of this

Archy [21]

do you have answer choices? if so, the answer is whichever number is closest to 395,280,204

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3 years ago

From the top of an apartment building, the angle of depression to a car parked on the street below is 32 degree. The car is park

Citrus2011 [14]

Answer: The height of the building = 56 feet.

Step-by-step explanation:

Let AB be the height of the building and BC be the distance of the car from the building on the ground.

Now , ∠ C = 32° [Alternate interior angles ]

According to the trigonometry,

$\tan x =\dfrac{Perpenicular}{base}\\\\\Rightarrow\ \tan 32^{\circ} =\dfrac{AB}{90}\\\\\Rightarrow\ 0.6248693519=\dfrac{AB}{90}\\\\\Rightarrow\ AB = 90\times 0.6248693519=56.238241671\approx56$

Hence, the height of the building = 56 feet.

6 0

2 years ago

A spherical ball has a diameter of 8 inches. The ball has a slow leak in which the air escapes at the rate of 2.5 inches per sec

s344n2d4d5 [400]

Answer:

107.2 seconds

Step-by-step explanation:

Step one:

given

the diameter of ball 8 inches

radius= 8/2 = 4 in

The volume of the ball

$v=4/3 \pi r^3$

$v= 4/3*3.142*4^3\\\\v= 4/3*3.142*64\\\\v= 804.35/3\\\\v=268.12 in^3$

Step two:

we know that

rate= quantity/time

rate= 2.4 in per second

quantity= 268.12

time=?

time= quantity/rate

time= 268.12/2.5

time= 107.2 seconds

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2 years ago

Am i right?? please help!

ladessa [460]

Answer: yes

Step-by-step explanation:

5 0

2 years ago