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navik [9.2K]
3 years ago
6

PLEASE HELP !! ILL GIVE BRAINLIEST *EXTRA POINTS*.. IM GIVING 40 POINTS !! DONT SKIP :((.

Mathematics
1 answer:
Darina [25.2K]3 years ago
7 0

Answer:

y = 17x

Step-by-step explanation:

By looking at the y-values of the table, we can see that they increase by 17 for every increase of 1 in the x-values.

This means are slope is 17.

We can prove this by plugging two points into the slope equation: (y₂ - y₁) / (x₂ - x₁)

(1, 17) & (3, 51)

(51 - 17) / (3 - 1)

Simplify the parentheses.

(34)/(2)

Divide.

17

Your slope is 17.

Plug this into your standard slope-intercept equation.

y = 17x + b

To find b, plug in a point to x and y. (1, 17)

17 = 17(1) + b

Multiply.

17 = 17 + b

Subtract.

b = 0

Your equation is: y = 17x + 0 or just y= 17x.

You can also tell by looking at the table. b is the y-intercept, or the value when x = 0. The table shows that when x = 0, y = 0. Therefore, b = 0.

Check your equation by plugging in the other point.

34 = 17(2)

34 = 34

Your equation is correct.

Hope this helps!

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ZanzabumX [31]

Answer:

Step-by-step explanation:

a = d before Anna gives away 50 marbles.

 

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5a - 250 = a + 50

 

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a = 75

 

Anna has 75 marbles at the beginning and so did David.

 

Together they have 150 marbles.

:)

7 0
3 years ago
Read 2 more answers
I'll mark the best or the first as brainliest.
FinnZ [79.3K]

Answer:

<em><u>Here</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>error</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em>

<em><u>\pi {r}^{2}</u></em>

<em><u>It</u></em><em><u> </u></em><em><u>should</u></em><em><u> </u></em><em><u>have</u></em><em><u> </u></em><em><u>been</u></em><em><u> </u></em><em><u>,</u></em>

<em><u>2\pi {r}^{2}</u></em>

Step-by-step explanation:

<em><u>Corrected</u></em><em><u> </u></em><em><u>formula</u></em><em><u>:</u></em>

<em><u>2\pi  {r}^{2}  + 2\pi rh</u></em>

<em><u>= 2\pi ({5}^{2})  + 2\pi(5)(10.6)</u></em>

<em><u>= 50\pi + 106\pi</u></em>

<em><u>= 156\pi</u></em>

<em><u>= 489.84 {yd}^{2}</u></em>

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6 0
3 years ago
Help me please I don’t know this
Afina-wow [57]
The answer is the number will have to be less than 11 which means that it is a. 9
sorry if it is incorrect.
8 0
3 years ago
Please help ASAP! I always give brainliest!(unless both answers are perfect) and thx
vlabodo [156]

Answer:

This is assuming that both x and y do not equal zero, if that is necessary information. 1 minute ago Solve for x in the equation x squared minus 14 x + 31 = 63.

5 0
3 years ago
What is the number property of 17+0
vladimir1956 [14]

Answer:

The identity property

Step-by-step explanation:

anything added to 0 is itself.

8 0
3 years ago
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