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3 years ago

11

Assume that y varies with directly with X. Y= -9 when x equals 3. Find "K" and write the particular equation. Then find y when x

equals -5
(show work please)

1 answer:

Ludmilka [50]3 years ago

6 0

Answer:

K=-3

Step-by-step explanation:

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The table of values represents an exponential function f(x).

Ostrovityanka [42]

Answer:

-3.98 (nearest hundredth)

Step-by-step explanation:

The average rate of change of function f(x) over the interval a ≤ x ≤ b is given by:

$\dfrac{f(b)-f(a)}{b-a}$

Given interval: -2 ≤ x ≤ 2

$\implies a = -2$

$\implies b = 2$

$\implies f(a) = f(-2)=16$

$\implies f(b) =f(2)= \dfrac{1}{16}$

Substituting the values into the equation:

$\begin{aligned}\implies \textsf{rate of change} & =\dfrac{\frac{1}{16}-16}{2-(-2)}\\\\ & = \dfrac{-\frac{255}{16}}{4}\\\\ & = -\dfrac{255}{64}\\\\ & = -3.98\: \sf (nearest\:hundredth)\end{aligned}$

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2 years ago

Johanna is planting tomatoes in the school garden this year. Tomato plants come in packs of six She needs 80 plants in the garde

vazorg [7]

452 because you will multiply 80 by 6 and get 480 and subtract 28 from that!

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3 years ago

A pair of numbers that has the sum of 12 and a difference of eight

anygoal [31]

Answer:

2 ; 10

Step-by-step explanation:

a + B = 12

a - B = 8

a = 12 - B

(12 - B) - B = 8

a = 12 - B

12 - 2B = 8

B = 2

A = 10

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3 years ago

Consider the dot plot which shows the distribution of data collected on the number of pets at home. Which statement BEST describ

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Hope this helped!

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3 years ago

Read 2 more answers

What is 4:6 as a percentage

MaRussiya [10]

66.6667%

Now we can see that our fraction is 66.666666666667/100, which means that 4:6 as a percentage is 66.6667%.

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3 years ago

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