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kow [346]
2 years ago
12

Roberta is shopping at a bookstore. She starts with some money in her wallet, uses only cash

Mathematics
1 answer:
const2013 [10]2 years ago
3 0

Answer:

roberta starts with 50 dollars in her wallet

Step-by-step explanation:

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Evaluate the function.<br> f(x) = -x^2<br> Find f(-5)
mina [271]
1) plug -5 in for the place of x.
2) solve -(-5)^2
3) f(-5)=25
4 0
3 years ago
Part c
ehidna [41]

The probability that the first slice of the cake will have the marble exists

7/66.

<h3>How to determine the probability using parts A and B?</h3>

Part A of the question demands that the volume of the cake be

estimated.

The volume of the cake exists, $V=\pi(\frac{d}{2} )^{2} h \\

$&V=\pi(\frac{9}{2} )^{2} * 4

$V=81 \pi

The part B of the question requires that the volume of each cut be

computed

The volume of each cut exists, V = 27

To estimate the required probability

We simply divide the volume of each cut by the volume of the cake.

$P=\frac{27}{81 \pi}

$P=\frac{1}{3 \pi}

Expand $\pi$

$&P=\frac{7}{3 * 22} \\

$&P=\frac{7}{66}

Therefore, the probability that the first slice of the cake will contain the

marble exists at 7/66.

To learn more about probability refer to:

brainly.com/question/24756209

#SPJ4

4 0
1 year ago
What type of muffin coast the least?
andre [41]
A). 12 ÷ $7.20 = about $1.67 per muffin
b). 8 ÷ $4.40 = about $1.81 per muffin
c). 6 ÷ $4.50 = about $1.33 per muffin

type C costs the least per muffin
7 0
3 years ago
Kevin claims he can draw a trapezoid with three right angles. Is this possible? Explain.
statuscvo [17]
No it is NOT possible - that would mean the final angle would also have to be ninety degrees making it a square or rectangle. :)
7 0
3 years ago
Is this right?......
Kitty [74]
No, the correct answer is square pyramid
4 0
3 years ago
Read 2 more answers
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