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Vilka [71]
2 years ago
15

A varies inversely as the square of b. If a is 1 when b is 4, find a when b is 4. with solution

Mathematics
1 answer:
inn [45]2 years ago
5 0

Answer:

4

a=k/b squared when a=1,b=4 k=16

When b=4 a=1

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One way to solve an equation or inequality that has both decimals and fractions is to change the
Stells [14]

Answer:

Turn everything into fractions. You can also combine like terms.

Step-by-step explanation:

3 0
3 years ago
3 1/4 × 4<br><br>I really need help for my extra credit homework
FromTheMoon [43]
13 because 1/4 times 4 is 4/4 with makes is a 1
And 3 times 4 is 12
1+12=13.
6 0
3 years ago
What is the domain of f/g, given f(x)=x+2 and g(x)=x-7?
kodGreya [7K]

Answer:

(-∞,7) U (7,∞)

Step-by-step explanation:

f(x)= x+2

g(x) = x-7

\frac{f(x)}{g(x)} =\frac{x+2}{x-7}

Here we have x-7 in the denominator

To find domain we set the denominator =0  and solve for x

x-7=0

Add 7 on both sides

x=7

x=7 makes the denominator 0 that is undefined

So we ignore 7 for x

Hence domain is

(-∞,7) U (7,∞)

5 0
2 years ago
Read 2 more answers
A company makes and sells charm bracelets. The cost of producing x bracelets is represented by the function C(x) = 180 + 8x. The
alexdok [17]

Answer:

The correct answer would be, No of bracelets the company must sell to break even would be 15

Step-by-step explanation:

Revenue is given by the function as:

R(x) = 20x

and Cost is given by the function as:

C(x) = 180 + 8x

Let the function P(x) represent the profit earned.

We know that Profit is equal to Revenue - Cost

i-e  

Profit = Revenue - Cost

So,

P(x) = R(x) - C(x)

Now substituting the Revenue and cost values in the above equation.

P(x) = 20x - (180 + 8x)

P(x) = 20x -180 -8x

P(x) = 20x - 8x -180

P(x) = 12x - 180

Now if we want to find out the break even point, we would consider profit as Zero, 0. So substituting 0 in the above equation for Profit, we will get:

0 = 12x - 180

12x = 180

x = 180/12

x = 15

So the break even point will be 15 bracelets.

8 0
3 years ago
Need help with this been trying to solve it
alukav5142 [94]
The answer is x^2y^2/5x^2 / 20.
3 0
3 years ago
Read 2 more answers
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