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gizmo_the_mogwai [7]
2 years ago
9

I need help with this​

Mathematics
1 answer:
Alika [10]2 years ago
5 0

Answer:

i am sorry but i dont know

Step-by-step explanation:

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Select the correct answer. what is the solution set of y = x2 2x 7 and y = x 7? a. {(0, 7), (-1, 6)} b. {(0, 7), (-7, 0)} c. {(0
Kaylis [27]

Answer:

a. {(0, 7), (-1, 6)}

Step-by-step explanation:

y = x^{2} +2x+7\\y=x+7

subtract the equations

y = x^{2} +2x+7 \\-       \ \ \ \ \  y=x+7\\y - y =x^{2} +2x+7-(x+7)\\0=x^{2} +x\\x = 0 \ and \ x= -1

for y = x^{2} +2x+7, substitute x = 0

y = (0)^{2} +2(0)+7\\y = 0 +0+7\\y=7

for y = x^{2} +2x+7, substitute x = 0

y = (-1)^{2} +2(-1)+7\\y = 1 -2+7\\y=6

6 0
1 year ago
Explain Long division in your own words using at least 3 sentences.
Marina86 [1]

Answer:

form of devision that takes longer bc it a fraction or decimal. first you want to get rid of the decimals. then devide the numbers from the lowest to the highest

I may be wrong been for ever since I did it on paper

4 0
2 years ago
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Is the following relation a function?<br><br> x y<br> −1 −2<br> 2 3<br> 3 1<br> 6 −2
PilotLPTM [1.2K]
Yes because no same x-valu resulted in different y-values.
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Write h(x) in general form <br> h(x)=x(x-5)+5
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H(x)

x-5+dx=+5;5x-5(x)+5/h(x)-5x(5)+5

  + h = + 90 = 90° ay + k = 2(1) + 8 = 10+5(x)

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3 years ago
A cone has a height of 1 meter and a diameter of 2 meters. What is it’s volume
Ber [7]

Cone volume formula: V = πr²h/3

r = radius

h = height

The radius is half the diameter, so, we can divide.

2 / 2 = 1

Now, solve with the given values.

V = π(1)²(1)/3

V = π(1)(1/3)

V = 3.14(1/3)

V ≈ 1.05

Therefore, the volume is roughly 1.05m^3

Best of Luck!

6 0
3 years ago
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