2 years ago

What is tan A? Tan A =

Mathematics

1 answer:

Art [367]2 years ago

7 0

Answer:

5/12

Step-by-step explanation:

tan is opposite/adjacent

the opposite of a is 5 and the adjacent of a is 12

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Given f(x) = 10 -2xfind f(7). –4 3 7 56

strojnjashka [21]

Answer: $f(7)=-4$

Step-by-step explanation:

1. You have the following function given in the problem:

$f(x)=10-2x$

2. Then, to find $f(7)$ asked in the exercise, you only need to substitute $x=7$ (which is the input value) into the given function.

3. Therefore, keeping the above on mind, you obtain that $f(7)$ is:

$x=7$

$f(7)=10-2(7)$

$f(7)=10-14$

$f(7)=-4$

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2 years ago

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The density of oxygen is 0.001429 grams per cubic centimeter. How is this number written in scientific notation?

miskamm [114]

Answer:

How is this number written in scientific notation? A. 1.429 x 10.

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2 years ago

The radius of a semicircle is 3 kilometres. What is the semicircle's perimeter?

alina1380 [7]

Answer:

In terms of Pi: $3\pi + 6$ km

Exact value (rounded): 15.42477 km

Approximated (3.14): 15.42 km

Step-by-step explanation:

Hello!

A semicircle's perimeter can be found using the formula: $P = \pi r + 2r$

We can plug in the values to solve for the perimeter.

<h3>Solve</h3>

$P = \pi r + 2r$
$P = \pi(3)+ 2(3)$
$P = 3\pi + 6$

In terms of Pi, it is $3\pi + 6$ ,

Exact value of Pi, it is 15.42477

Approximation of Pi (3.14), it is = 15.42

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1 year ago

If you toss two pennies what are the chances of getting two heads?

Norma-Jean [14]

Answer:

50/50 chance i guessing

If theres 2 pennies

<h2>Hope this helps :)</h2>

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2 years ago

Assume that you take a both you fill a tub the halfway point the tub measures 5 feet long 2.1 gallons per minute. There are 7.5

MatroZZZ [7]

Answer:

both? use water for both of them

Step-by-step explanation:

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2 years ago