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Alekssandra [29.7K]
3 years ago
13

What is (x - 4) + (x + 9) + ( 2x) + (3x -7) + 4​

Mathematics
2 answers:
pentagon [3]3 years ago
8 0
Answer: 5x+(2x)+2
Explanation
cricket20 [7]3 years ago
5 0

Answer:

7x+2

Step-by-step explanation:

Add x+x+2x+3x to get 7 xs or 7x. Then add -4+9-7+4 to get 2. Put 7x and 2 together to get 7x+2.

Hope it helps!

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Cody is twice as old Evan and five years ago the sum of their age was 14. Find the age of each boy
Pani-rosa [81]
Cody is 15 and evan is 10. 
6 0
3 years ago
Multiply and simplify. 6xy^3z⋅3x^2yx^2
klio [65]
It's letter c

multiply the coefficient then just add the degrees of each letter
4 0
2 years ago
PLEASE HELP!! I'LL MARK BRAINLIEST & 30 POINTS
ser-zykov [4K]

We are first ask to translate this equation. So using the correct notation...

3X-9=6x6/4

We can also solve it.

3x-9 = 6x6/4

3x-9 = 36/4

3x-9 = 9

3x = 18

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answer: X=6

3 0
3 years ago
The mean exam score for the first group of twenty examinees applying for a security job is 35.3 with a standard deviation of 3.6
babymother [125]

The scores of two groups can be compared using coefficient of variation;

Coefficient of variation (C.V.) = (Standard Deviation/ Mean) × 100%;

For Data set 1;

Standard deviation = 3.6

Mean = 35.3

C.V. = (3.6/35.3) × 100%;

       = 10.19%

For Data set 2;

Standard deviation = 0.5

Mean = 34.1

C.V. = (0.5/34.1) × 100%;

       = 1.46%

To learn more about coefficient of variation, visit: brainly.com/question/24131744

#SPJ9

6 0
1 year ago
Convert the following radian angle into degrees.
NeTakaya

The degree of the radian angle 0.11 is 6.3^{\circ}

Explanation:

It is given that the radian angle is 0.11

We need to determine the degrees of the radian angle.

To convert the radian into degrees, let us multiply the radian with \left(\frac{180}{\pi}\right)

Thus, we have,

0.11\times\left(\frac{180}{\pi}\right)=\frac{19.8}{\pi}

It is given that \pi=3.14

Substituting \pi=3.14 in the above expression, we have,

\frac{19.8}{3.14} =6.303...

Rounding off to the nearest tenth, we have,

6.3^{\circ}

Thus, the degree of the radian angle 0.11 is 6.3^{\circ}

4 0
2 years ago
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