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3 years ago

Find the output, k, when the input, t, is -7−7minus, 7. k = 10t-19k=10t−19

Mathematics

1 answer:

sleet_krkn [62]3 years ago

7 0

The value of k is -89

Explanation:

The given expression is $k=10t-19$

We need to determine the output k, when the input t is -7

<u>Output k:</u>

The value of the output k can be determined by substituting the input $t=-7$ in the expression $k=10t-19$

Thus, we have,

$k=10(-7)-19$

Multiplying the terms 10 and -7, we have,

$k=-70-19$

Simplifying, we get,

$k=-89$

Thus, the value of k is -89

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4 years ago

The fitted regression is Sales = 832 − 28.2 Price. (a-1) If Price = 1, what is the prediction for Sales? (Round your answer to 1

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Answer:

Part (a-1): The prediction for Sales is 803.8.

Part (a-2): The correct option is: An increase in price decreases sales.

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Part (C): The intercept is meaningful as sales will be maximized when price is zero.

Step-by-step explanation:

Consider the provided regression:

Sales = 832 − 28.2 Price

(a-1) If Price = 1, what is the prediction for Sales?

Substitute Price = 1 in above regression.

Sales = 832 − 28.2 (1) = 803.8

Hence, the prediction for Sales is 803.8.

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Thus, the correct option is: An increase in price decreases sales.

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Substitute Price = 22 in above regression.

Sales = 832 − 28.2 (22)

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3 years ago

PLEASE HELP Complete the table below to find solutions to the linear equation y=5x+35.

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Answer:

x | y | (x,y)

0 | 35 | (0,35)

3 | 50 | (3,50)

-7 | 0 | (-7,0)

Step-by-step explanation:

Given the equation: $y = 5x + 35$ , to complete the table, plug in the value of x given in the table in each row, to find y.

When x = 0,

$y = 5(0) + 35$

$y = 0 + 35$

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(0,35)

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$y = 15 + 35$

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(3,50)

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$y = 0$

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