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3 years ago

Which equation represents the axis of symmetry

Mathematics

2 answers:

Daniel [21]3 years ago

4 0

Answer:

The answer is x= -4

Step-by-step explanation:

y =-4(X+6)+4

y=-4x-24+4

y=-4x-20

Nikitich [7]3 years ago

3 0

The answer is -6 if there’s a 2 above the positive 6

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Suppose y=f(x)+k. What effect does k have on the parent function?

SashulF [63]

Y = f(x) + k
The k on the function will translate the function up or down.
If k is positive, it will translate up.
If k is negative, it will translate down.

3 0

4 years ago

Read 2 more answers

2) Brian purchased pens for 75 cents each and pencils for 40 cents each he bought total of 22 writing utensils for $11.95. How m

d1i1m1o1n [39]

Answer:

13 pencils.

Step-by-step explanation:

Let x be the pens and y be the pencils

Given:

Brian purchased pens for 75 cents each and pencils for 40 cents each he bought total of 22 writing utensils for $11.95.

Total pens and pencils is 22

So, $x+y=22$ ----------------(1)

And he bought all utensils for $11.95. and each pen for 75 cents and pencils for 40 cents.

$0.75x+0.40y=11.95$ ------------(2)

solve equation 1 and equation 2 for x and y.

From equation 1.

$x+y=22$

$y=22-x$ ----------------(3)

put y value in equation 2.

$0.75x+0.4(22-x)=11.95$

$0.75x+0.4\times 22-0.4x=11.95$

$0.75x+8.8-0.4x=11.95$

$0.75x-0.4x=11.95-8.8$

$0.35x=3.15$

$x=\frac{3.15}{0.35}$

$x=9$

Now substitute x value in equation 3.

$y=22-9$

$y=13$

So, he buy 13 pencils.

5 0

3 years ago

garik1379 [7]

Answer:

Answer is 1/2

Step-by-step explanation:

8 0

4 years ago

What is 2 to the 13th power over 8.

Stels [109]

2 to the 13th power = 8192
8192 divided by 8 = 1024

4 0

3 years ago

Atraeus is solving the quadratic equation by completing the square. 7x2 – 14x + 6 = 0 7x2 – 14x = –6 A(x2 – 2x) = –6 What is the

Vedmedyk [2.9K]

So we first minus 6 both sides
7x^2-14x=-6
then we have
A(x^2-2x)=-6
what is A?

hmm (this should be painfully obvous, but if not, here are steps)

7x^2-14x=-6
A(x^2-2x)=-6

7x^2-14x=-6=A(x^2-2x)
7x^2-14x=A(x^2-2x)
undistribute 7
7(x^2-2x)=A(x^2-2x)
divide both sides by (x^2-2x)
7=A

A=7

3 0

4 years ago

Read 2 more answers