2 years ago

Which set of ordered pairs is not a function?

Mathematics

1 answer:

USPshnik [31]2 years ago

3 0

The correct answer is B

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5x-3.5=12.5 what is x?

Vadim26 [7]

Answer:

x=3.2

Step-by-step explanation:

12.5+3.5=16

16÷5= 3.2

6 0

3 years ago

WILL MARK BRAINIEST!!! Segment AC has two endpoints; (-2,5) and (2,-5). What are the coordinates of point B on segment AC such t

svet-max [94.6K]

Answer:

$(\frac{4}{3},-\frac{10}{3})$

Step-by-step explanation:

If the extreme ends of a line segment AC are A $(x_1,y_1)$ and C $(x_2,y_2)$ .

If a point B(x, y) divides the segment in the ratio of m : n

Then the coordinates of the point B are,

x = $\frac{mx_2+nx_1}{m+n}$

y = $\frac{my_2+ny_1}{m+n}$

If the ends of AC are A(-2, 5) and C(2, -5) and a point B divides it in the ratio of m : n = 5 : 1

Therefore, coordinates of this point will be,

x = $\frac{5\times (2)+1(-2)}{5+1}$

= $\frac{10-2}{5+1}$

= $\frac{8}{6}$

= $\frac{4}{3}$

y = $\frac{5\times (-5)+1(5)}{5+1}$

= $\frac{-25+5}{6}$

= $-\frac{20}{6}$

= $-\frac{10}{3}$

Therefore, coordinates of the point B are $(\frac{4}{3},-\frac{10}{3})$ .

6 0

3 years ago

Determine whether y varies directly with x. If so, find the constant of variation. Y=12x

Svet_ta [14]

for y varies directly with x, you should have y=kx where k is constant of variation.ok

6 0

3 years ago

Complete the sentence. 20 is 40% of I’m horrible at math-

Fittoniya [83]

Answer:

20 is 40% of 50

Step-by-step explanation:

4 0

3 years ago

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What is the value of h when the function is converted to vertex form?

zloy xaker [14]

$f(x)=ax^2+bx+c\\\\h=\dfrac{-b}{2a};\ k=f(h)$

We have:
$h(x)=x^2-8x+14\\\\a=1;\ b=-8;\ c=14$

Substitute:
$h=\dfrac{-(-8)}{2\cdot1}=\dfrac{8}{2}=4$

7 0

3 years ago

Read 2 more answers