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3 years ago

ASAP! GIVING BRAINLIEST! Please read the question THEN answer CORRECTLY! NO guessing. Show your work OR give an explaination.

Mathematics

1 answer:

erma4kov [3.2K]3 years ago

8 0

Answer:

y = x² - 8x + 17

Step-by-step explanation:

Recall this formula:

y = a(x-h)² + k

Original equation was y = x², which in this form looks like

y = 1(x - 0)² + 0

If the shape of the graph didn't change, that means that a (the compressor/intensifier) stayed the same (a - value) meaning we can write the equation as..

y = (x-h)² + k

Remember, (h, k) is the vertex, which looking from your graph is at (4, 1)

y = (x - 4)² + 1

y = x^2- 8x + 16+1

y = x² - 8x + 17

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3. Is XY Tangent to circle Z? Y 12 X (20 Z 18

Ratling [72]

Answer:

XY is a tangent

Step-by-step explanation:

Given

$XY = 12$

$WY = 20$

$WZ = 8$

Required

Is XY a tangent?

XY is a tangent if:

$WY^2 = XY^2 + WX^2$

Because XY should make a right angle at point X with the circle

Where

$WX = 2 * WZ$

So, we have:

$WY^2 = XY^2 + WX^2$

$WY^2 = XY^2 + (2*WZ)^2$

$WY^2 = XY^2 + (2WZ)^2$

$WY^2 = XY^2 + 4WZ^2$

This gives:

$20^2 = 12^2 + 4*8^2$

$400 = 144 + 256$

$400 = 400$

Yes, XY is a tangent

4 0

3 years ago

If a Play Station was bought for $450 after a 10% discount what was the original price of the Play Station?

Gemiola [76]

If it was bought after 10% discount, it means it was bought at 90% of the original price:
90% = $450
1% = $5
100% = $5 x 100
100% = $500

The original price of the Play Station was $500.

7 0

3 years ago

Helppp!!!!!! :(((((((((((((((((((((((((((((

GarryVolchara [31]

Answer:

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3 0

3 years ago

Please help me solve this problem

Maksim231197 [3]

Answer:

i think the answer is 58

but i'm not sure....

check it again with someone else ...

Step-by-step explanation:

90+32=122

180-122=58

4 0

3 years ago

Evaluate the function f(x) = 6x - 5 at f(1)

Likurg_2 [28]

Remove the parentheses around the expression 1

5 0

3 years ago