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zmey [24]
3 years ago
15

I really need help with those two problems

Mathematics
1 answer:
Marina CMI [18]3 years ago
8 0
First one is reflection across x-axis.

Not visualizing 2nd one
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Determine the equation of the graph with the coordinates of (4, -1)
Anon25 [30]

Answer:

The required equation of the graph with the coordinates of (4, -1) will be:

  • y=\left(x-4\right)^2-1

The graph is also attached.

Step-by-step explanation:

Given the coordinates (4, -1)

If we put the coordinate values (4, -1) in the given equations, we determine that only y=\left(x-4\right)^2-1 is the valid equation as it satisfies the given coordinate value.

For example, putting  (4, -1) in the equation

y=\left(x-4\right)^2-1

\left(-1\right)=\left(4-4\right)^2-1

-1=\left(0\right)^2-1

-1=0-1

-1=-1

So, the equation y=\left(x-4\right)^2-1 is true for the coordinate values (4, -1).

Therefore, the required equation of the graph with the coordinates of (4, -1) will be:

  • y=\left(x-4\right)^2-1

Please check, the graph is also attached.

3 0
2 years ago
HELP WHAT IS THE ANSWERS
Temka [501]

Answer:   Letter Choice, (B)  ====>  4,256 pi cm^2


Step-by-step explanation:

<u>Formula: Surface Area of Cylinder  =   (2pi ) (r^2 )   +  2pi (r) (h)</u>



<u>Showing Work:</u>

<u>Radius  of the Base ===>  28cm</u>

<u>Height  =====>  48cm </u>

(2pi ) (r^2)    +   2pi (28)(48)

2 (pi) (r^2)     +    (circumference) (height)

2( pi) (r^2      +    2)( pi)(r)(h)

2 pi * (2) (r^2      +    (2)(r)(h)

2pi * (r^2        +       rh)

2(r)(pi)(r           +         h)

2( 28)(pi)(28       +       48)

56(pi)(76)

4256(pi)^2

<u>Therefore, Your Answer  ======>   Letter Choice; (B)  ======>  4,256pi cm^2</u>





Hope that helps!!!!!                                       : )


3 0
3 years ago
Keisha is making potato casserole
lord [1]

Answer:

4 1/2 I think

Step-by-step explanation:

I think but I'm not for sure

4 0
3 years ago
Jane is building a bookcase with 4 shelves. Each shelf is 24 inches long. How much wood does Jane need to make the 4 shelves?
Ksivusya [100]

Answer: 96 inches of wood

Step-by-step explanation:

24 × 4 = 96

So he would need 96 inches of wood!

Hope this helps!!! Good luck!!! ;)

7 0
3 years ago
Write this ratio in its simplest form<br>5kg : 20g​
nalin [4]

Answer:

1kg : 4kg

Step-by-step explanation:

You need to simplify the current equation

5 : 20

Divide both sides by 5

5/5 : 20/5

1 : 4

1kg : 4kg

Hope this helps!

Plz name brainliest if possible!

3 0
2 years ago
Read 2 more answers
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