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chubhunter [2.5K]
3 years ago
8

Which property of multiplication is shown by the equation f x 8 =8f

Mathematics
1 answer:
marissa [1.9K]3 years ago
3 0
What is the commutative property of multiplication?
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Which inequality would result in the shaded solution on the unit circle to the right?
omeli [17]
<h3>Answer: Choice B</h3>

Explanation:

Cosine is positive in quadrants I and IV, but quadrant IV isn't shaded in so we can rule out choice A.

Sine is positive in quadrants I and II. So far it looks like choice B could work. In fact, it's the answer because sin(pi/6) = 1/2 and sin(5pi/6) = 1/2. So if 0 ≤ sin(x) < 1/2, then we'd shade the region between theta = 0 and theta = pi/6; as well as the region from theta = 5pi/6 to theta = pi.

Choice C is ruled out because tangent is positive in quadrants I and III, but quadrant III isn't shaded.

Choice D is ruled out for similar reasoning as choice A. Recall that \sec(x) = \frac{1}{\cos(x)}

5 0
2 years ago
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A circle's diameter is 4 feet.
Soloha48 [4]

Answer:

13

Step-by-step explanation:

The formula for cirmference is

C= π2 * r

we're using 3.14 as pi and r = radius.

the radius is always half of the diameter.

So in this case since the diamter is 4, the radius is 2. let's substitute these numbers.

C= 3.14 *2*2 and there your answer is 12.56 which rounded to the nearest tenth is 13.

Hope this helps :)

6 0
2 years ago
¿PLEASE ANSWER ALL FAST?
koban [17]

Answer:

The word "Of" in an equation is interpreted to be multiplication. Also, you must move the decimal two places to the left to change a percent to a decimal.

1. 20 * .12 = 2.4

2. .3 * 70 = 21

3. 300 * .25 = 75 Blue marbles

4. 40 * .35 = $14




8 0
3 years ago
What is the answers
Mice21 [21]
Angle 2 is 110° and the other angles are 70°
4 0
3 years ago
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It takes paul m minutes to mow the entire lawn.After he works k minutes,what part of the lawn is still unmowed?
otez555 [7]
So work =time times rate or W=TR

so T=m-k
W=(m-k)R

if you want just m-k then m-k is the answer
4 0
3 years ago
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