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UNO [17]
3 years ago
5

Select the correct answer. Which equation, when solved, gives 8 for the value of x? OA. +3 = =+14 OB. 5-9=31-12 OC. 21-2=r-4 OD.

5.-7=*=+14​

Mathematics
1 answer:
34kurt3 years ago
8 0

Answer:

B

Step-by-step explanation:

i did it and it’s right

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PLEASEHELP ME 98 POINTS AND BRAINLIEST TO THE FIRST PERSON
agasfer [191]

Answer:

$857 billion

Step-by-step explanation:

Since 2006​, the amount of money spent at restaurants in a certain country has increased at a rate of 5​% each year. In 2006​, about ​$580 billion was spent at restaurants.

2014-2006=8 so 2014 is 8 years from 2006

If the trend​ continues, the amount of money spent at restaurant in 2014 will be (1.05)^8 times that of the amount in 2006:

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About ​<u>$857</u> billion will be spent at restaurants in 2014 if the trend continues.

3 0
3 years ago
So what the is the answer
Tasya [4]
The answer to life, the universe and everything is 42.
8 0
3 years ago
Use the method of cylindrical shells to find the volume generated by rotating the region bounded by the given curves about the s
Furkat [3]

Answer:

\frac{16\pi}{3}.

Step-by-step explanation:

I graphed the region in the image below. The blue line is y=3, the purple line is x=1 and the green curve is y = 4x-x^{2}. The shaded region in blue is the region we are going to rotate.

Now, to find the volume  v= 2\pi \int\limits^a_b {p(x)h(x)} \, dx where a=1, b=3 (left and right points of the region), p(x) is the distance from the rotation axis to the diferential Δx, we say p(x)=x and h(x) is the height of the region, in this case is h(x)= 4x-x^{2}-3. Then,

v =  2\pi \int\limits^1_3 {x(4x-x^{2}-3)} \, dx

=  2\pi \int\limits^1_3 {4x^{2}-x^{3}-3x} \, dx

= 2\pi (\frac{4x^{3}}{3}-\frac{x^{4}}{4}-\frac{3x^{2}}{2})^{3}_1

= 2\pi (36-\frac{81}{4}-\frac{27}{2}-\frac{4}{3}+\frac{1}{4}+\frac{3}{2})

= 2\pi*\frac{8}{3}

=  \frac{16\pi}{3}.

8 0
3 years ago
The perpendicular distance of p (3,4) from the y - a x is _____​
solmaris [256]

Answer:

a

Step-by-step explanation:

The perpendicular distance from the y- axis is the value of the x- coordinate, so

perpendicular distance is 3 units

8 0
3 years ago
PLEASE HELP! 20 POINTS!An equation was created for the line of best fit from the actual enrollment data. It was used to predict
lakkis [162]

Answer:

B) No, the equation is not a good fit because the residuals are all far from zero.

Step-by-step explanation:

If you add the residuals, you get -60, which is small compared to the scale, but is still far from zero.

3 0
4 years ago
Read 2 more answers
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