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Vikki [24]
4 years ago
12

What is $78.40 Divided by 4

Mathematics
1 answer:
Mumz [18]4 years ago
7 0
$78.40/4= $19.60.

The final answer is $19.60~
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Jefferson high school is looking to expand its student parking lot by spanding the existing lot as shown below
joja [24]
It would be 150 because 75+ 75= 150
4 0
3 years ago
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What is nine hundredths as a decimal number.
aniked [119]
The answer would be 0.09 because if you divide something into one hundred equal parts, nine hundredths is 9 of those parts that you just divided up.

Since nine hundredths is 9 over one hundred, nine hundredths as a fraction is 9/100.

If you divide 9 by one hundred you get 9 hundredths as a decimal which is 0.09.
6 0
3 years ago
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Find the area enclosed by the graphs of y = sin x, y = cos x, x = 0, and x = 2. Sketch a graph.
mars1129 [50]

Answer:

1.34 (3 sf)

Step-by-step explanation:

To find the area between 2 curves:

\int\limits^a_b {(top-bottom)} \, dx

As these 2 curves intersect, we have to first calculate where they intersect, then work out the area between the curves BEFORE and AFTER the point of intersection, as the "top" and "bottom" curves change after the point of intersection (see attached graph).

   sin(x) = cos(x)

⇒ tan(x) = 1

⇒ x = \frac{1}{4} \pi

So the curves intersect at x=\frac{1}{4} \pi (between x = 0 and x = 2)

To calculate the area between the 2 curves, x=0 and x=\frac{1}{4} \pi:

\int\limits^a_b {(top-bottom)} \, dx=\int\limits^\frac{\pi}{4}_0 {(cos(x)-sin(x))} \, dx=\sqrt{2}-1

Then to calculate the area between the 2 curves, x=\frac{1}{4} \pi and x=2:

\int\limits^a_b {(top-bottom)} \, dx=\int\limits^2_\frac{\pi}{4} {(sin(x)-cos(x))} \, dx=0.92106...

Therefore, the total area = \sqrt{2} -1+0.92106...=1.335276534...

(Please Brainliest if helped - thanks!)

6 0
2 years ago
Question 1:
IceJOKER [234]

Answer:

The answer is 2: corresponding angles are supplementary.

Step-by-step explanation:

1 is true. Alternate interior angles are congruent because they have the equivalent measurement of angles.

3 is true. Interior angles on the same side are supplementary because their measure of angles add up to 180 degrees.

2 is false. Corresponding angles are not supplementary because their angles are congruent and do not add up to 180 degrees.

I hope this helped! :)

6 0
3 years ago
M to the second power equals 49. Is it 7?
Feliz [49]
M^2 = 49
M^2 = 7^2
M = -7 and M = 7
4 0
3 years ago
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