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amm1812
3 years ago
8

A line passes through (-1, 7) and (2, 10).

Mathematics
1 answer:
marysya [2.9K]3 years ago
4 0

Answer:

Y=x+8

Step-by-step explanation:

To find the gradient of the line u have to subtract the y intercepts and the x intercepts

10-7/2--1=3/3=1

Y-7/x--1=1

Y-7=x+1

Y=x+1+7

Y=x+8

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(5,65) (7,71) slope
Studentka2010 [4]

Answer:

3

Step-by-step explanation:

The slope formula is m=y2-y1/x2-x1

y2 is 71

y1 is 65

x2 is 7

x1 is 5

71-65 is 6

7-5 is 2

So the slope looks like this:

6/2

Simplify:

Which is 3

Hope this helps!

6 0
3 years ago
Use the grouping method to factor the polynomial below completely. x3 + 2x2 + 3x + 6
Phoenix [80]

Hello from MrBillDoesMath!

Answer:

(x+2) ( x^2 + 3)

Discussion:

x^3 + 2x^2 + 3x + 6 =  

( x^3 + 2x^2) + (3x + 6) =         => factor "x^2" from the first term; factor 3

                                                    from the second term

x^2( x + 2) + 3( x+2)  =             => factor (x+2) from each term

(x+2) ( x^2 + 3)

Thank you,

MrB

6 0
3 years ago
Read 2 more answers
A diagonal cross section of a sphere produces which two-dimensional shape?
const2013 [10]

<span>A diagonal cross section of a sphere produces a circle.

Regardless of how the sphere is cut, it will form a circle.

</span>

<span>Thank you for posting your question. I hope you found what you were after. Please feel free to ask me more</span>

4 0
3 years ago
Which expressions are equivalent to the given expression 6x-18y+36
umka21 [38]

Answer:

6(x-3y+6)

Step-by-step explanation:

6 0
2 years ago
A birthday celebration meal is $ 47.40 including tax, but not the tip. Find the total cost if a 15% tip is added to the cost of
Afina-wow [57]

Answer:

$54.51

Step-by-step explanation:

an easier way to do this is simply by multiplying 47.40x115%, which is 54.51.

another way to do this is by multiplying 47.40x15%, which is 7.11, then you'll have to added to 47.4, which gives you the same answer of 54.51

6 0
3 years ago
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