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Anna007 [38]
3 years ago
8

Megan bought a box of 30 cookies. She ate 1/3 of

Mathematics
2 answers:
nevsk [136]3 years ago
6 0
She ate 10 cookies

1/3 of 30 is 10
Anon25 [30]3 years ago
3 0

Answer:

10

Step-by-step explanation:

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Help needed math 3 - 10 points read closely
inessss [21]
<h2>Hello!</h2>

The answer is:

The answer is the fourth option,

f(-3)=-\frac{1}{3}

<h2>Why?</h2>

Piecewise functions are functions that are composed by two or more expressions, the expression to use will depend of the domain or input that we need to evaluate.

We are given the piecewise function:

\left \{ {{\frac{1}{x}, if x

There, we know that:

We should use the first expression if the value to evaluate is less than -2.

So, for this case, the function will be:

f(x)=\frac{1}{x}

We should use the second expression if the value to evaluate is greater or equal than 2.

So, for this case, the function will be:

f(x)=x^{2}

Now, since we are given that the value to evaluate is -3, and its less than -2, we need to use the first expression, and evaluate it.

-3

So, evaluating the function we have:

f(x)=\frac{1}{x}

f(-3)=\frac{1}{-3}

f(-3)=-\frac{1}{3}

Hence, we have that the answer is the fourth option,

f(-3)=-\frac{1}{3}

Have a nice day!

7 0
3 years ago
A circle has a diameter of 26 feet. Find its circumference and area.
iogann1982 [59]

Answer: 81.64 feet

Step-by-step explanation:

Circumference of a circle = pi * diameter

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Circumference of a circle = 81.64 feet

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Elena L [17]
-2a - 6

Hope I helped!

~ Zoe
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Answer: you need to show what are the options

Step-by-step explanation:

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