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alexandr1967 [171]
2 years ago
5

Can somebody please help...I don’t understand it would mean a lot ❤️

Mathematics
2 answers:
ohaa [14]2 years ago
4 0

Answer:

y=0.5x+8

Step-by-step explanation:

Use the formula for the equation of a line y=mx+c where m is the slope and c is a number.

To find the slope, take two points (x₁,y₁) (x₂,y₂) and put them into the slope equation m=(y₂-y₁)/(x₂-x₁):

We can take two points from the graph: (2,9) (4,10)

m=(y₂-y₁)/(x₂-x₁)

m=(10-9)/(4-2)

m=1/2 or 0.5

Now sub this value in for m and our formula looks like this:

y=0.5x+c

To find the value of c, sub in one of the points, eg. (4,10)

y=0.5x+c

10=0.5(4)+c

10=2+c

c=8

So now that we now m and c, our equation is complete :D

y=0.5x+8

Afina-wow [57]2 years ago
4 0

Answer:

Step-by-step explanation:

The slope-intercept equation for a line is y = mx+b, where m is the slope and b is the y-intercept.

Refer to the picture. You can see that the line crosses the y-axis at (0,8), which means the y-intercept is 8.

The graph shows the path of a hiker walking up the hill. When he goes from one blue dot to the next, he has moved 2 units to the right and 1 unit up. The slope of the hill is ½.

Slope-intercept equation for line of slope ½ and y-intercept 8:

y = ½x+8

There is nothing to simplify.

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<span>use the zero product property and set each factor equal to zero and solve:
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4 0
3 years ago
PLEASE HELP NEED THE ANSWER IMMEDIATELY!
vesna_86 [32]

\textsf{\qquad\qquad\huge\underline{{\sf Answer}}}

Volume of a rectangular prism is ~

\sf{Volume_{cuboid}= Length × Width × Height}

\qquad \sf  \dashrightarrow \: v = (4x + 2) \times (3x - 5) \times (7x + 4)

\qquad \sf  \dashrightarrow \: v = (12 {x}^{2} - 20x + 6x - 10) \times (7x + 4)

\qquad \sf  \dashrightarrow \: v = (12 {x}^{2} - 14x- 10) \times (7x + 4)

\qquad \sf  \dashrightarrow \: v = 84 {x}^{3}  + 48 {x}^{2}  - 98x {}^{2}  - 56x - 70x - 40

\qquad \sf  \dashrightarrow \: v = 84 {x}^{3} - 50 {x}^{2}  -  126x - 40

So, the correct choice is B

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