3 years ago

Please help me on math???

Mathematics

2 answers:

FrozenT [24]3 years ago

6 0

He is correct it’s a...

hjlf3 years ago

3 0

The answer is a..................................

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If f(x) = x2 + 7, what is the value of f(3)?

Mazyrski [523]

Plug in 3 for f(x)
f(3)=(3)²+7
f(3)=9+7
f(3)=16
Hoped this helped!

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3 years ago

Anyone mind helping me out?

Taya2010 [7]

hey Friend here is your answer

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An escalator lifts people to the second floor of a building, 25 ft above the first floor. The escalator rises at a 30o angle. To

melamori03 [73]

Answer:

a person travel 50 ft from the bottom to the top of the escalator

Step-by-step explanation:

An escalator lifts people to the second floor of a building, 25 ft above the first floor. The escalator rises at a 30 degree angle

The escalator forms a right angle triangle

opposite to 30 degree angle is 25 feet. to find the distance from the bottom to the top of the escalator we find the hypotenuse

let x be the hypotenuse

$sin(theta)=\frac{opposite}{hypotenuse}$

$sin(30)=\frac{25}{x}\\x sin(30)= 25\\x=\frac{25}{sin(30)} \\x=50\\$

a person travel 50 ft from the bottom to the top of the escalator

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2 years ago

Experimental Probability of Simple Events

r-ruslan [8.4K]

<span>A simple event is an event where all possible outcomes are equally likely to occur. ...A set of all possible outcomes of an event is called sample space, usually represented as 'S' with curly braces { }. ...<span>This is called Experimental Probability – probability derived from a series of trials, or experiments.</span></span>

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3 years ago

6 ten thousands 4 hundreds × 10

Katyanochek1 [597]

Answer:

604,000

Step-by-step explanation:

60,400 x 10

add one zero onto the end and replace the comma.

604,000

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3 years ago