3 years ago

Andre correctly solved an equation using the steps shown:

Mathematics

1 answer:

Pepsi [2]3 years ago

3 0

Answer:

This equation has zero solutions.

Step-by-step explanation:

This equation has zero solutions because 2 is not equal to zero.

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A fair coin is flipped eight times. What is the probability of the coin landing heads up exactly 2 times?

dimulka [17.4K]

Answer:

50%

Step-by-step explanation:

no matter how many times it is flip you will get heads or tails.

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3 years ago

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How do i figure out of this opens up or down?

KATRIN_1 [288]

It opens up
axis of symmetry is x=1
vertex is 1,0

x intercepts is -1,0,1,2,3,
y intercepts is 4, 1,0,1,4

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3 years ago

Look at the table of values below.

Eduardwww [97]

Answer:

y = 2x - 1

Step-by-step explanation:

1(2) - 1 = 1

2(2) - 1 = 3

3(2) - 1 = 5

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3 years ago

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When f(x) = x2+9 and g(x) = x-9, find f(x)-g(x).

ohaa [14]

Answer:

$\huge{ \boxed{ \sf{ {x}^{2} - x + 18}}}$

Step-by-step explanation:

$\underline{ \text{Given}}:$

$\sf{f(x) = {x}^{2} +9 \: and \: g(x) = x-9}$

$\underline{ \text{To \: find}} : \sf{ \: f(x) \: - \: g(x)}$

Put the values:

$\mapsto{ \sf{ {x}^{2} + 9 - ( x - 9)}}$

While subtracting , sign of each term of the second expression changes.

$\mapsto{ \sf{ {x}^{2} + 9 - x + 9}}$

Add the numbers : 9 and 9

$\mapsto{ \boxed{ \sf{{x}^{2} - x + 18}}}$

Hope I helped!

Best regards! :D

~ $\text{TheAnimeGirl}$

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3 years ago

Solve for x in the diagram.

Kazeer [188]

It is a right triangle so,

a² + b² = x²
9² + 12² = x²
225 = x²
√225 = x
15 = x

Hope this helps :)

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