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3 years ago

❗️❗️❗️❗️help plzzzzzz

Mathematics

2 answers:

sesenic [268]3 years ago

5 0

c = $\frac{113}{10}$ ; the second option is correct.

This equation will give the number of chaperones that are needed for the event; 11.3.

Vesna [10]3 years ago

3 0

The answer is b c=113/10

hope this helps

brainliest is always appreciated :)

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Simplify the expression.

kotegsom [21]

Answer:

$\large\boxed{D.\ 2x^2y\sqrt[5]{7xy^3}}$

Step-by-step explanation:

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3 years ago

a recipe for a batch of cookie calls for 1/2 cup of sugar and 1/4 cup of brown sugar.how much sugar will you need to use for one

hichkok12 [17]

2 fourths I think. Not sure

6 0

3 years ago

Read 2 more answers

F:[1/2,infinity)—>[3/4,infinity) <br> f(x)=x^2-x+1 <br> find the inverse of f(x);please explain

dexar [7]

Answer:

$f^{-1}(x)=\frac{1}{2}+\sqrt{x-\frac{3}{4}}$

Step-by-step explanation:

y=x^2-x+1

We want to solve for x.

I'm going to use completing the square.

Subtract 1 on both sides:

y-1=x^2-x

Add (-1/2)^2 on both sides:

y-1+(-1/2)^2=x^2-x+(-1/2)^2

This allows me to write the right hand side as a square.

y-1+1/4=(x-1/2)^2

y-3/4=(x-1/2)^2

Now remember we are solving for x so now we square root both sides:

$\pm \sqrt{y-3/4}=x-1/2$

The problem said the domain was 1/2 to infinity and the range was 3/4 to infinity.

This is only the right side of the parabola because of the domain restriction. We want x-1/2 to be positive.

That is we want:

$\sqrt{y-3/4}=x-1/2$

Add 1/2 on both sides:

$1/2+\sqrt{y-3/4}=x$

The last step is to switch x and y:

$1/2+\sqrt{x-3/4}=y$

$y=1/2+\sqrt{x-3/4}$

$f^{-1}(x)=1/2+\sqrt{x-3/4}$

8 0

3 years ago

Please help I really don’t know what to do

just olya [345]

Answer:

The answer is 0

Step-by-step explanation:

2 * 2 * 2 = 8

8 * 0.5 = 4

4 - 4 = 0

0 / 2 = 0

Make sure the 0.5 is actually 0.5, because it is hard to tell in that expression. if anything, anything, the steps are the same and all you would need to do is the change the numbers.

Hope this helps :)

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3 years ago

Which statement is true about -14 and -8?

marin [14]

Answer:

Step-by-step explanation:

-14>-8 because -14 is located to the left of -8 on the number line.

7 0

3 years ago