How do you write 248.3% as a decimal?

2 answers:

7 0

248.3% is the same thing as 248.3/100
all you do is move the decimal back 2 times when ever you are changing a % into a decimal.

248.3% is 2.483

DerKrebs [107]3 years ago

3 0

The answer is 2.483 because you do 248.3 ÷ 100

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2.52 + 12 = 1.25z + 24<br> 16.9

frez [133]

Answer:

OK So i didnt know if it was +16.9 so the first answer i got i didn't add the 16.9 and i got z= -7.584 then when i did it with the 16.9 i got z= -21.104

Step-by-step explanation:

6 0

3 years ago

Question 2 of 10

azamat

Answer:

Step-by-step explanation:

THe equation given is

2x+2y=16

y=x-4

We put 2nd equation in first equation and first solve for x:

$2x+2y=16\\2x+2(x-4)=16\\2x+2x-8=16\\4x=16+8\\4x=24\\x=\frac{24}{4}\\x=6$

Now, since we know y = x - 4, we substitute x = 6 and get y:

y = x - 4

y = 6 - 4

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The correct ordered pair is (6,2), answer choice C

6 0

3 years ago

You are using extension ladders to paint a chimney that is 33 feet tall. The length of an extension ladder ranges in 1 foot inte

Alexus [3.1K]

Answer:

The ladder has to be 65 feet long to the nearest foot.

Step-by-step explanation:

The height of the chimney from the ground is the sum of the height of the wall and the height of the chimney.

Therefore, the height of the chimney from the ground = (30 + 33) = 63 feet.

Now, the ladder makes a right triangle with the ground and the chimney and the ladder makes an angle of 75.5° with the ground.

Therefore, using trigonometry we can write,

$\sin 75.5 ^{\circ} = \frac{\textrm {The height of the chimney from the ground}}{\textrm {Length of the ladder}} = \frac{63}{\textrm {Length of the ladder}}$