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Aliun [14]
3 years ago
8

a certain drug is made from only two ingredients: compound A and comppund B. There are 5 milliliters of compound A used for ever

y 4 milliliters of compound B. if a chemist wants to make 477 milliliters of the drug, how many milliliters of compound A are needed?
Mathematics
1 answer:
yaroslaw [1]3 years ago
7 0
4:5 is the same as 4x:5x where 4x is compound A and 5x is compound B.
---
Solve for "x":
If amount of compound A is 4x = 477
x = 477/4
Then amt of compound B is 5x = 5(477/4) = 596.25 ml
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The table below shows some inputs and outputs of the invertible function f with domain all real numbers.
Naddik [55]

by the inverse function definition, we will have that:

  • f⁻¹(-2) = 3
  • f⁻¹(1) = 0

<h3>How to find the values of the inverse function?</h3>

Remember that, by definition, for an invertible function f(x) we have that:

f(x) = y

then:

f⁻¹(y) = x

Where f⁻¹(x) is the inverse function of f(x).

Now, we want to find:

f⁻¹(-2)  and f⁻¹(1)

If you look at the given table, we can see that we have the points (3, -2) and (0, 1), which means that:

f(3)= -2

f(0) = 1

Then, by the inverse function definition, we will have that:

  • f⁻¹(-2) = 3
  • f⁻¹(1) = 0

If you want to learn more about inverse functions:

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3 0
2 years ago
Find the y-intercept of the table.help asap thank you.
alexandr402 [8]
The y-intercept is 2
6 0
3 years ago
What is the value of begin expression . . . 5 raised to the third power, minus 4, times 3 raised to the second power, plus 13 .
AveGali [126]
5^3-4*3^2+13=102
So the correct answer is C.
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6 0
3 years ago
Which is larger 12 1/6 or 75/6
xz_007 [3.2K]

Hello there! Your answer would be 75/6 is larger than 12 1/6.

Need an Explanation?:

Divide 75 by 6 to start so we can equally look at the numbers.

75/6 = 12.5

We know that .5 is equal to 1/2, so change .5 to 1/2.

That means we now have 12 1/2.

So, which is larger: 12 1/6 or 12 1/2?

Obviously 12 1/2 is larger, so this is the one you should choose.

<em>I hope this helps, and have a great day! Please don't hesitate to ask if you need more help with this specific question! </em>




7 0
3 years ago
Read 2 more answers
If the quadratic formula is used to find
Anuta_ua [19.1K]

The two roots obtained for the quadratic equation by quadratic formula are 1.5 and 4.

<h3>What is defined as the quadratic formula?</h3>
  • A quadratic equation is just a polynomial with a second degree first term.
  • There are several methods for determining the roots, or solutions, of such a quadratic equation.
  • Every quadratic equation has two solutions, that might or might not be real numbers.
  • The quadratic formula is a simple method for resolving a quadratic equation. whether the answer is a whole number, an irrational number, or perhaps an imaginary number

If the quadratic equation is ax² + bx + c = 0.

Then, the roots are given by x = [-b ± √(b² - 4ac)]/2a.

The quadratic equation is given as; 2x² - 5x - 12 = 0.

On comparing with the standard form;

  • a = 2
  • b = -5
  • c = -12

Put the values in the formula,

x = [-b ± √(b² - 4ac)]/2a.

x = [-(-5) ± √((-5)² - 4×2×(-12))] / 2×2

On simplification,

x = [5 ± 11]/4

There will be two roots of equation,

a; x =  [5 + 11]/4

x = 16/4 = 4

b ; x = [5 - 11]/4

x = 6/4 = 1.5

Thus, the two roots obtained for the quadratic equation by quadratic formula are 1.5 and 4.

To know more about the quadratic formula, here

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5 0
1 year ago
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