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drek231 [11]
3 years ago
7

This data gives the average number of hours of exercise each week for different students.

Mathematics
1 answer:
vazorg [7]3 years ago
7 0

Answer:

                                       X

                                       X             X

              X                      X             X

 X    X    X              X     X             X

3.3  3.4  3.5  3.6  3.7  3.8  3.9  4.0

I believe that this is the answer

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The system of equations shown below is graphed on a coordinate grid:
ankoles [38]

Answer:

A) (-2,2) lies on both lines

Step-by-step explanation:

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3 years ago
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Which is better to buy 12 bars of soap for $10.00 or 5 bars of soap for $4.00 is better which one
Makovka662 [10]

Answer:

5 bars for $4.00

Step-by-step explanation:

10 / 12 = 0.833 repeating

4 / 5 = 0.8

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Help pleae look at the picture!​
notsponge [240]
Line a and b are perpendicular
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3 years ago
What is the solution to the system of equations? Use any method. {y=−3x+1 {2x+5y=18
Softa [21]

Answer:

So the solution set of the equations are {(-1,4)}

or

the solution is x = -1 and y = 4

Step-by-step explanation:

Equations given to us are

y = -3x + 1                                ..................(i)

2x + 5y = 18                             .................(ii)

To find the value of x and y or the solution set of the system of equations

Now in first equation we see that

y = -3x + 1

Putting this value in equation (ii)

which is

2x + 5y = 18

Putting value of y from (i) in it

2x + 5(-3x + 1) = 18

Opening the bracket and multiplying inside

2x -15x + 5 = 18

-13 x + 5 = 18

Subtracting 5 from both sides of the equation

-13x + 5 - 5 = 18 -5

-13x = 13

Dividing both sides by -13

\frac{-13x}{-13}=\frac{13}{-13}

Cutting out the same values gives us

x = -1

For value of y

putting value of x in equation (i)

which is

y = -3x + 1

Putting the value

y = -3(-1)+1

y=3+1

y=4

So the solution set of the equations are {(-1,4)}

or

the solution is x = -1 and y = 4

4 0
3 years ago
Find the value of 7 then what is the value of the expression -3b2+25
Mice21 [21]
-147 +25 = 122 i am pretty sure this is right but i might be wrong

6 0
3 years ago
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