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Westkost [7]
3 years ago
13

Simply: 6(x+2)+3(x-9)

Mathematics
2 answers:
Rashid [163]3 years ago
8 0
6(x+2) = 6x + 12
3(x-9) = 3x - 27

6x + 12 + 3x - 27 = 9x - 15

The answer is 9x - 15
Rasek [7]3 years ago
7 0
6(x + 2) + 3(x - 9)

6(x + 2) = 6 * x = 6x , 6 * 2 = 12
6x + 12

3(x - 9)= 3 * x = 3x , 3 * -9 = -27
3x - 27

6x + 12 + 3x - 27=

6x + 3x = 9x
12 - 27 = -15

Answer: 9x - 15
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storchak [24]
Set the 2x - 1 equal to 9 then work backwards. 2x - 1 = 9 Nine minus one is eight divided by two is four. X = 4
4 0
3 years ago
A jumper in the long-jump goes into the jump with a speed of 12 m/s at an angle of 20° above the horizontal. How far does the ju
weeeeeb [17]

Answer:

x = 9.5 m

Step-by-step explanation:

Given:

This problem is based on 2D motion kinematics equations:

V_0 = 12 m/s

\theta = 20^0

g=9.8 m/s^2

At maximum height:

V_y = 0

Components of initial velocity:

V_0x = V_0 cos (\theta) =(12 )(cos (20^0)) = 11.3 m/s

V_0x = V_0 sin (\theta) = (12)(sin (20^0)) = 4.10 m/s

To find time to reach maximum height:

V_y = V_0y -gt

Plugging in the known values:

0 = 4.10 - 9.8t

t = \frac{-4.10}{-9.8}

t = 0.418 s

Total time = 2t = 2(0.418) = 0.836 s

to find horizontal distance covered:

x = (V_0x)(t)\\x = (11.3)(0.836)\\x = 9.5 m

8 0
3 years ago
What is the measure of A using the triangle abc
djyliett [7]
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5 0
3 years ago
How do the areas of the murals change when the width changes
kati45 [8]
 I do not completely understand your question, but if you mean area by "murals", then when the width increases, area does, too. For example:
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3 years ago
Each of 7 students reported the number of movies they saw in the past year. Here is what they reported. 16, 13, 19, 16, 8, 10, 1
nydimaria [60]

Answer:

13.1

Step-by-step explanation:

Finding mean in data set is finding the average. The way to find the average is by adding all the data in the set (the # of movies watched), then divide them by how many numbers are in the data set (7).

16+13+19+16+8+10+10=92

After you add the data in the set, you have to divide it by the pieces of data there is.

So 92/7=

13.1428571

<u />

If you round 13.142...to the nearest tenth, you get <u>13.1.</u>

7 0
3 years ago
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