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11111nata11111 [884]
3 years ago
11

It takes 28 minutes for 7 people to paint 7 walls how many minutes does it take for 14 people to paint 14 walls

Mathematics
2 answers:
Setler [38]3 years ago
6 0

Answer:

56 because you have to multiply 28 times 2

mart [117]3 years ago
6 0

Answer:

28

Step-by-step explanation:

Idk that's what Khan Academy said

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Find the 16th term to the series PLEASEEE
slavikrds [6]

Answer:

It is a geometric sequence.

common \ ratio , r = \frac{12}{-4}=-3

a_n = a_1 \times r^{n-1} \\n = 16\\r = -3\\a_1 = -4\\a_{16 }= -4 \times (-3)^{15} = -4 \times 14348907 =57395628

5 0
2 years ago
How do you divide $306 into the ratio of 9:5:3? Can someone give me some advice on how to solve this problem?
GarryVolchara [31]
In order to divide $306 into the ratio of 9 to 5 to 3, first you have to make each section of the ratio represented by a variable, and put it into an equation.

9x + 5x + 3x = 306

Our next step is to simplify the left side of the equation by combining all of the like terms, the ones that contain variables.

17x = 306

Finally, to solve this equation, you have to divide both sides by 17 to isolate the variable x on the left side of the equation.

x = 18

However, this is not our answer as it isn't in a ratio format and doesn't really make sense. To find our ratio, we have to multiply each of our initial numbers (9, 5, and 3) by our variable, x.

9 * 18 = 162
5 * 18 = 90
3 * 18 = 54

You can verify that these numbers are correct because if you add them together you get 306.

Your final ratio is 162:90:54.

Hope this helps! :)

If you have a separate specific question about pre-tax prices and PMed me the link, I'd be happy to help you.
4 0
3 years ago
-12 - 6.7<br><br> A. 18.7<br> B. -5.3<br> C. 5.3<br> D. -18.7
pshichka [43]
The answer is D. To help find the answer, you can remember an easy rule. The rule is if you're subtracting a positive number from a negative number, it will always be negative thus eliminating any answers that are positive.
4 0
3 years ago
Read 2 more answers
What is the y intercept of the function f(x)=2•3^x
kykrilka [37]

Answer:

\boxed{Option \ A}

Step-by-step explanation:

f(x) = 2*3^x

y intercept is when x = 0

So, Putting x = 0 in the above function

=> f(0) = 2*3^0

=> f(0) = 2*1

=> f(0) = 2

So, y-intercept is (0,2)

5 0
3 years ago
Read 2 more answers
Complete the steps, which describe how to find the area of the shaded portion of the circle. 1. Find the area of the sector by m
Serggg [28]

The area of the sector is found by multiplying the area of the circle and the ratio of the angle subtended (measure of the central angle) by the sector to 360.

<h3>How to find the area of a sector?</h3>

1) The formula for area of a sector of a circle is;

A = (θ/360) * πr²

where πr² is area of circle

θ is the angle subtended by the sector

Thus, we conclude that the area of the sector is found by multiplying the area of the circle and the ratio of the angle subtended (measure of the central angle) by the sector to 360.

2) The area of the triangle formed as part of the segment is subtracted from from the area of the sector.

Read more about Area of Sector at; brainly.com/question/22972014

#SPJ1

4 0
1 year ago
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