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saul85 [17]
2 years ago
8

If a student has 70 dollars and spends 1/5

Mathematics
2 answers:
Pavlova-9 [17]2 years ago
3 0

Answer:

then he would have $56 dollars left

Lesechka [4]2 years ago
3 0

Answer:

56

Step-by-step explanation:

70*1/5

Is the same as:

70/5

Which equals:

14

Subtract from the total:

70-14=56

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Tcecarenko [31]

Answer:

x = 4

Step-by-step explanation:

To solve, simplify the expression then use inverse operations to isolate x.

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3 years ago
Which answer choice represents an equivalent number sentence of "15 + (3 - 8)"?
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Answer:

A- 15-5 is the same

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15 + (3-8)

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8 0
3 years ago
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What is the equation for the linear model in the scatter plot obtained by choosing the two points closest to the line?
HACTEHA [7]

Answer:

Option C is the answer.

Step-by-step explanation:

To find the equation of the straight line equation i.e, we must be given with the two points \left (x_{1},y_{1} \right ) and \left (x_{2},y_{2}\right )

Since from the graph the two points closest to the line are\left ( 10,36 \right ) and \left ( 22,12 \right ).

Equation of line with two points closest to the line :

                                                    y-y_{1}=m\cdot \left ( x-x_{1} \right )

where m is the slope.

First we find the slope(m)=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}  

m=\frac{12-36}{22-10}

on simplify we get,  m=-2.

Now, to find  the equation of the line:  y-y_{1}=m\cdot \left ( x-x_{1} \right )

y-36=\left ( -2 \right )\cdot \left ( x-10 \right )

Apply distributive property on right hand side, we get

y-36=-2\cdot x+20

Adding both sides by 36, we get

y=-2x+20+36

y=-2x+56.

The equation for the linear  model in the scatter plot obtained by the two closest point \left ( 10,36 \right ) and \left ( 22,12 \right ) closest to the line is,

y=-2x+56










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Need help ASAP ! Questions are in the pic
Vedmedyk [2.9K]

Answer: b (-2,3)

Step-by-step explanation:

you substitute the x and y values in (-2,-3) for the x and y in the problem.

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