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arsen [322]
3 years ago
13

Answer the following questions CORRECTLY I will know if this is wrong. I WILL REPORT ANY INCORRECT ANSWERS!

Mathematics
1 answer:
liberstina [14]3 years ago
4 0

Answer by JKismyhusbandbae: 9

(5 + 12 + 8 + 12 + 11 + 8 + 5 + 5 + 7 + 12)/10=9

To find the mean, add up all the lengths and divide by 10.

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Find the slope of the line that passes through the points (10,8) and (4,12)​
JulsSmile [24]

Answer:

The slope is -2/3

Step-by-step explanation:

To find the slope of a line between two points, we use the equation

m = (y2-y1)/ (x2-x1)

where (x1,y1) and (x2,y2) are the two points

m = (12-8)/(4-10)

   = 4/-6

   = -2/3

The slope is -2/3

6 0
3 years ago
Read 2 more answers
Solve for x. <br><br> x + 3x + 5 =21
timurjin [86]

Answer:

x=4

Step-by-step explanation:

In order to solve for x, we must isolate x on one side of the equation.

x+3x+5=21

First, combine like terms. x and 3x are both terms with variables, and can be combined.

(x+3x) + 5=21

4x + 5=21

5 is being added to 4x. The inverse of addition is subtraction. Subtract 5 from both sides of the equation.

4x+5-5= 21-5

4x= 16

x is being multiplied by 4. The inverse of multiplication is division. Divide both sides by 4.

4x/4=16/4

x= 16/4

x=4

Let's check our solution. Plug 4 in for x and solve.

x+3x+5=21

4+3(4)+5=21

4+12+5=21

16+5=21

21=21

This solution checks out, so we know our answer is correct.

x is equal to 4, x=4.

4 0
3 years ago
Read 2 more answers
How do I solve this?
anyanavicka [17]

Answer:

Step-by-step explanation:

Slope= -3/1

plot from point  (-2,4)

3 0
3 years ago
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Solve each problem by writing and solving an equation
Viktor [21]

Answer:

The anwser would be 51 i think

Step-by-step explanation:

if im right ls makr brainliest

3 0
3 years ago
Help with Algebra. Word<br> Problems.
Drupady [299]

For the first question, the answer is A (<em>p</em> = 27)

For the second one, I think that the answer is C

3 0
3 years ago
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