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2 years ago

Please help mee Which graph shows a set of ordered pairs that represent a function?

Mathematics

2 answers:

Mekhanik [1.2K]2 years ago

8 0

Answer:B

Step-by-step explanation:

Molodets [167]2 years ago

8 0

I think the answer is B

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Which equation has a graph that goes through the points (4, -6) and (0, 6)?

Ugo [173]

Answer:

$y = -3x + 6\\$

Step-by-step explanation:

Find the gradient of the equation

$\frac{Difference in y}{Difference in x} \\\\\frac{6 - - 6}{0 - 4} = \frac{12}{-4} = -3$

The equation will have the gradient -3x

Use the general equation of a line, and substitute the coordinates in to find the y-intercept.

$y = x + c\\ y = -3x + c\\$

(4, -6)

$-6 = -3(4) + c\\ -6 = -12 + c\\ -6 + 12 = c\\ c = 6$ $6 = -3(0) + c\\ 6 = 0 + c\\ c = 6$

(0, 6)

$6 = -3(0) + c\\ 6 = -0 + c\\ c = 6$

The equation of the line is

$y = -3x + 6\\$

4 0

2 years ago

What is the area of this composite plane figure??

Ghella [55]

$A = 16 \times 6 + \sqrt{3 + 6} = 96 + 9 = \boxed{105}$

5 0

2 years ago

The radius of the large sphere is double the radius of the small sphere. How many times is the volume of the large sphere than t

kobusy [5.1K]

The volume of a sphere is $\cfrac{4}{3}\ \pi r^3$

So, if the small sphere has radius $r$ and the largest sphere has radius $2r$ , their volumes are

$V_1 = \cfrac{4}{3}\ \pi r^3,\quad V_2 = \cfrac{4}{3}\ \pi (2r)^3 = \cfrac{4}{3}\ \pi 8r^3$

So, their ratio is

$\cfrac{V_2}{V_1} = \cfrac{\frac{4}{3}\ \pi 8r^3}{\frac{4}{3}\ \pi r^3} = 8$

7 0

2 years ago

Read 2 more answers

GIVING BRAINLIEST!!!!!

tankabanditka [31]

flip over the line, then slide up

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1 year ago

Madeline is working to teach her 4-year-old daughter, eliza, how to count. she places ten buttons in one row with very little sp

Lelechka [254]

Answer: This is an example of Centration.

Centration refers to the tendency to focus on only one aspect of a situation, problem or object. For example: a child may complain that there is little ice cream left in a big bowl. The child will be satisfied if the ice cream is transferred to a little bowl, even though nothing is added, because he only considers how full the bowl appears to be.

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2 years ago