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tekilochka [14]
3 years ago
7

Give the function y=-5x+12, what is the output (y) when the input, x=-2?

Mathematics
1 answer:
artcher [175]3 years ago
6 0

Answer:

y=22

Step-by-step explanation:

y=-5(-2)+12

y=10+12

y=22

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Kori has 12 strawberries, 3 pineapples, and 4 kiwis. What is the ratio of strawberries to total fruit?
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Answer:

12:19

Step-by-step explanation:

To create a ratio, we compare a portion to a whole. In this case our portion is 12 strawberries. Our whole is the total fruit, so let's add up each fruit to find the total.

12 + 3 + 4 = 19

Now we have our portion (12) and our total (19).

Let's create a ratio.

12:19

This ratio cannot be simplified further, so that is your answer.

Hope this helps!

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Which of the following is a graph of f(x)=x^2+2x-3/x+2
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Answer:

n = -13

Step-by-step explanation:

38 = -2n + 12

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==> 38 - 12 = -2n + 12 - 12

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<em>multiplying both sides by (-1)</em><em>:</em>

==> -26 = 2n

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Step-by-step explanation:

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The rocket will hit the ground when y = 0

The equation will become:

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Rearrange

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multiply though by minus

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Factorize and solve for x:

x = 189±√189²-4(16)(-79)/2(16)

x = 189±√35721+5056/32

x = 189±√40777/32

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x = 12.22secs

hence the rocket will hit the ground after 12.22seconds (to the nearest hundredth of a sec)

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