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2 years ago

13

Brad has a garden with dimensions 12 feet long x 7 feet wide. He wants to enlarge the garden to an area of 119 square feet. How

much farther will he need to extend the length of the garden to attain his desired

1 answer:

dimulka [17.4K]2 years ago

8 0

Answer:

the length will need to be increased by 5 feet

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Last year there were 120 students in choir. This year, 30% more students took choir. How many students are taking choir this yea

hjlf

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120 into a third and divide and the answer

Step-by-step explanation:

160

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2 years ago

The volume of the above solid is?

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3 years ago

4. Examine the graph of f(x) and the table that contains values of g(x). Which function has a greater rate of change over the in

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g(x) has a greater rate of change in the interval 0<=x<=2.

The graph increases from -4 to -1, a change of +3

The table increases from 5 to 13, a change of +8.

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2 years ago

Suppose it takes 4 hours for a certain strain of bacteria to reproduce by dividing in half. If 70 bacteria are present to begin

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Answer:

1 day: 4480

2 days: 8960

3 days: 13440

$f^{-1}(x) = \sqrt{\frac{x -4}{4}}$ ---- function inverse

Step-by-step explanation:

Given

$f(x) = 70 \cdot 64x$

Solving (a): The amount present after 1 day.

Here, $x =1$

So:

$f(1) = 70 \cdot 64*1= 4480$

Solving (b): The amount present after 2 days.

Here, $x =2$

So:

$f(2) = 70 \cdot 64*2= 8960$

Solving (c): The amount present after 3 days.

Here, $x = 3$

So:

$f(3) = 70 \cdot 64*2= 13440$

Solving (d): The inverse function of:

$f(x)= 4x^2 + 4$

Replace f(x) with y

$y= 4x^2 + 4$

Swap x and y

$x= 4y^2 + 4$

Rewrite as:

$4y^2 = x -4$

Divide by 4

$y^2 = \frac{x -4}{4}$

Take square roots

$y = \sqrt{\frac{x -4}{4}}$

Replace y with function inverse

$f^{-1}(x) = \sqrt{\frac{x -4}{4}}$

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2 years ago

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Murrr4er [49]

Answer:

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Step-by-step explanation:

9/10 , 0.99 , 19/20 , 9%

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2 years ago