An engine makes 400 revolutions per minute. It will make [blank] [blank] in 12 minutes.

Answers

Answer 1

Answer: To solve this problem, we can set up a proportion.

400 revolutions/1 minute = x revolutions/12 minutes

To solve this proportion, we can use cross products, which is multiplying the numerator of one fraction by the denominator of the other and setting these two products equal to one another.

400*12 = 1 * x

Now, let's simplify.

4800 =x

Therefore, if an engine makes 400 revolutions per minute, it will make 4800 revolutions in 12 minutes.

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An angle measures 12° less than three times it’s supplement. Find the measure of the angle

Answers

Answer:

132 degrees.

Step-by-step explanation:

Let the supplement be x and the angle be y.

x + y = 180 degrees.

y = (3x - 12) degrees.

x + 3x - 12 = 180

4x = 192

x = 48 degrees

y = 132 degrees

Hope this helped!

So could someone help me on this

Answers

Answer:

B. -6

Step-by-step explanation:

hope this helps!

Answer:

-6

Step-by-step explanation:

from (-6,-4) to (x,8) there are already 12 spaces in between the y- axis from -4 to 8. So because there are already 12 spaces in between you dont need to add any space between x and -6 so you can conclude that if x is -6 then there will be 12 spaces inbetween because of -4 and 8

Look at the image of the table of values below. Over which interval of x is the average rate of change the largest?

Answers

Between 5 & 8.

$\displaystyle {21-15\over 8-5} = 6/3 = 2$ is the largest rate of change, differentiating from $5\over3$ and $11\over6$

What is the volume of a sphere with the radius of 2 cm?

Answers

V=43πr3=43·π·
3≈33.51032 =33.51 is the answer

Short Answer: 33.5cm3.

Longer Answer: The formula for volume of a sphere is ( 4 * pi * radius^3) / 3. So, when the radius is 2cm, then it would be ( 4 * 3.14 * 2^3) / 3. We have to do the exponents first, so 2 ^ 3 is 2 * 2 * 2 = 8. Then, we solve the rest of the expressions within the bracket, which will give us ( 100.48 ) / 3, and that equals 33.5

Fitness Explosion charges $26 per month for a membership. Fitquest charges $15 per month plus a $55 initiation fee for membership. After how many months will the total amount paid to the two fitness clubs be the same?A. 2 months
B. 3 months
C. 5 months
D. 6 months

Answers

So after one month, FE (fitness explosion) costs $26 and Fitquest is $70; two months it's FE = $52, FQ = $85; three months it's FE = $78, FQ = $100; four months FE = $104, FQ = $115; five months FE = $130, FQ = $130. So answer C. 5 months is correct.

Answer: 5 months

Step-by-step explanation: got the question right

Triangle UVW is drawn with vertices at U(−1, 1), V(0, −4), W(−4, −1). Determine the coordinates of the vertices for the image, triangle U′V′W′, if the preimage is rotated 90° counterclockwise

Answers

The coordinates of the vertices for the image, triangle U′V′W′, if the preimage is rotated 90° counterclockwise include the following:

U' = (1, 1).

V' = (-4, 0).

W' = (-1, 4).

What is a rotation?

In Mathematics and Geometry, the rotation of a point 90° about the center (origin) in a counterclockwise (anticlockwise) direction would produce a point that has these coordinates (-y, x).

By applying a rotation of 90° counterclockwise to the vertices of triangle UVW, the coordinates of the vertices of the image are as follows:

(x, y) → (-y, x)

Ordered pair U = (-1, 1) → Ordered pair U' = (1, -(-1)) = (1, 1).

Ordered pair V = (0, -4) → Ordered pair V' = (-4, -(0)) = (-4, 0).

Ordered pair W = (-4, -1) → Ordered pair W' = (-1, -(-4)) = (-1, 4).

Read more on rotation here: brainly.com/question/28854313

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