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2 years ago

Consider the function k(x)=x/5-3. Find k(-20).

Mathematics

1 answer:

marusya05 [52]2 years ago

4 0

Answer:

-7

Step-by-step explanation:

k(x) = x/5 - 3

k(-20) = -20/5 -3

k(-20) = -4 - 3

k(-20) = -7

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The other answers I already did I just need the division answers

Oxana [17]

Answer:

6÷41 equals 0.14634146341

6÷21 equals 0.28571428571

6÷43 equals 0.13953488372

6÷37 equals 0.16216216216

6÷20 equals 0.3

Step-by-step explanation:

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5 0

3 years ago

Which is the equation of the parabola?

mestny [16]

Answer:

y = -1/20(x + 3)²

Step-by-step explanation:

<u>Consider the parent function:</u>

y = x²

The graph of the function open up and the vertex is at the origin, the point (0, 0)

Now, if it opens down, it means it is a reflection of the parent function over x axis, hence it has a negative coefficient, the function becomes:

y = -x²

The vertex is shifted to the point (-3, 0). It means the function also translated left by 3 units, the function becomes:

y = -(x + 3)²

<u>Since all the options have 1/20 as a coefficient, our function is:</u>

y = -1/20(x + 3)²

This is option B

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3 years ago

Which equation gives the value of the circumference, C, of a circle with a diameter of 56 feet?

Keith_Richards [23]

Answer:175.84 ft

Step-by-step explanation: the equation would be diameter times pi

4 0

3 years ago

A 5-column table has 4 rows. The first column has entries A, B, C, Total. The second column is labeled X with entries 15, 5, 30,

Ugo [173]

Answer:

A and X

Step-by-step explanation:

Got it right on edge-nuity

8 0

2 years ago

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lyudmila [28]

Answer:

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Step-by-step explanation:

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