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anyanavicka [17]
3 years ago
10

Evaluate the expression | 9 | + | - 2|

Mathematics
2 answers:
sesenic [268]3 years ago
7 0

Answer: 11

Step-by-step explanation:

|9| + |-2| =

9 + 2 = 11

scZoUnD [109]3 years ago
4 0
<h2>Answer:</h2><h2>11</h2><h2 /><h2>Hope this helps!!</h2>

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Find the volume of the solid generated when R​ (shaded region) is revolved about the given line. x=6−3sec y​, x=6​, y= π 3​, and
Dmitrij [34]

Answer:

V=9\pi\sqrt{3}

Step-by-step explanation:

In order to solve this problem we must start by graphing the given function and finding the differential area we will use to set our integral up. (See attached picture).

The formula we will use for this problem is the following:

V=\int\limits^b_a {\pi r^{2}} \, dy

where:

r=6-(6-3 sec(y))

r=3 sec(y)

a=0

b=\frac{\pi}{3}

so the volume becomes:

V=\int\limits^\frac{\pi}{3}_0 {\pi (3 sec(y))^{2}} \, dy

This can be simplified to:

V=\int\limits^\frac{\pi}{3}_0 {9\pi sec^{2}(y)} \, dy

and the integral can be rewritten like this:

V=9\pi\int\limits^\frac{\pi}{3}_0 {sec^{2}(y)} \, dy

which is a standard integral so we solve it to:

V=9\pi[tan y]\limits^\frac{\pi}{3}_0

so we get:

V=9\pi[tan \frac{\pi}{3} - tan 0]

which yields:

V=9\pi\sqrt{3}]

6 0
3 years ago
Help please solve for ABC i will give brainlest
Verizon [17]

Answer:

-9

Step-by-step explanation:

You subtract 2x-6 that gives you -3

You add 3x+31 that gives you 3

You multiply your to answers -3x3

And you get -9 Hope this helps!!!!

HAVE A NICE DAY

8 0
2 years ago
Interpret the following sine regression model.
natita [175]

Answer:

The question is incomplete, so I will describe the sine regression model.

The function

y = 0.884 sin(0.245x - 1.093) + 0.400

correspond to the general equation:

y = a sin(bx - c) + d

where:

a = 0.884

b = 0.245

c = 1.093

d = 0.400

The amplitude of the function is computed as follows:

amplitude = |a| = 0.884

The period of the function is computed as follows:

period = 2π/|b| = 25.6456

The phase shift of the function is computed as follows:

phase shift = c/b = 4.4612 to the right (because there is a minus sign before c in the equation)

The vertical shift of the function is computed as follows:

vertical shift = d = 0.400

3 0
3 years ago
A swimming pool has an average depth of 1.6 m. It is 50 m long and 30 m wide. What is the volume?
Neko [114]

Answer:

2400m³

Step-by-step explanation:

50 * 30 * 1.6 =

1500 * 1.6 = 2400m³

8 0
3 years ago
Can someone plz help me??
Klio2033 [76]
If you are looking for the third angle it is 90 degrees
5 0
2 years ago
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