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worty [1.4K]
4 years ago
6

What is the answer to this equation - 2w+21=-8w+36

Mathematics
1 answer:
stiv31 [10]4 years ago
7 0

is it -2 ?

......

.....

....

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Which of the following statements about photocopier A1 is correct compared to the other photocopiers?
Sati [7]

Answer:

Option 2

Step-by-step explanation:

Number of breakdowns of the photocopiers in year 2011,

A1 = 15

A2 = 21

B1 = 34

B2 = 32

B3 = 23

Option (1)

A1 had just under a half the number of breakdowns compared to photocopier B3.

Half of B3 = 12

And A1 = 15

Therefore, A1 > B3

So the statement is False.

Option (2)

A1 had just under 50% of the breakdowns compared to photocopier B2

50% of the breakdowns of B2 = 16

A1 = 15

So, A1 < 50% of B2

Statement (2) is True.

Option (3)

A1 had more than 25 extra breakdowns compared to B1.

A1= 15

B1 = 34

A1 < B1

Therefore, statement is False.

Option (4)

A1 had 6% less breakdowns than photocopier A2.

A1 = 15

A2 = 21

A2 - A1 = 21 - 15 = 6

Percentage less breakdowns = \frac{6}{21}\times 100 = 28.6%

So this Option is False.

Therefore, Option (2) is the correct option.

3 0
3 years ago
Using long division to divide 3x^4-2x^3+x-1 by x^2-x-2
Paha777 [63]
Check the picture below.

recall to put the dividend as well as the divisor in descending order, and to include any missing terms before the constant.

7 0
3 years ago
The sum of three consecutive integers is -75.
rusak2 [61]

Answer:

Suppose 3 consecutive integers are X-1,X,X+1

Step-by-step explanation:

Sum = X-1+X+X+1= -78

            3X=-78

             X= -78/3

             X= -26

3 consecutive integers are, -27, -26,-25.

smallest integer is -27

8 0
3 years ago
PLEASE HELP WILL MARK BRAINLIEST!
nlexa [21]

Answer:

He did the equation backward. He did \frac{x_2-x_1}{f(x_2)-f(x_1)}, which is wrong.

The actual equation for average rate of change is:

\frac{f(x_2)-f(x_1)}{x_2-x_1} =

=\frac{18-8}{10-6}

=\frac{10}{4}

=\frac{5}{2}

6 0
3 years ago
Read 2 more answers
A security camera is centered 50 feet above a 100 foot hallway. it is easiest to design the camera with a constant angular rate
sergij07 [2.7K]
Question, i dont understand what you are asking.

3 0
4 years ago
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