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2 years ago

you buy rice at 0.71 a pound one batch of fried rice requires 10 lb of rice how much does a rice for one batch cost

Mathematics

1 answer:

Drupady [299]2 years ago

5 0

x ⇒ 3 · x = ($0.71)(3)= $2.13.

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IF P(A)=1/3, P(B)=2/5, and P(AuB)=3/5, what is P(A^B)?

Bumek [7]

The probability of the union of two events is the sum of their probability, minus the probability of their interserction:

$P(A \cup B) = P(A) + P(B) - P(A \cap B)$

If we plug the known values into this formula, we have

$\dfrac{3}{5} = \dfrac{1}{3} + \dfrac{2}{5} - P(A\cap B)$

From which we can deduce

$P(A\cap B) = \dfrac{1}{3} + \dfrac{2}{5} - \dfrac{3}{5} = \dfrac{2}{15}$

So, the probability of $A \setminus B$ is a bit less than $P(A)$ , we have to take away all events that belong to B as well:

$P(A \setminus B) = P(A) - P(A\cap B) = \dfrac{1}{3} - \dfrac{2}{15} = \dfrac{1}{5}$

3 0

3 years ago

0.034 is 1/10 of 340

sergeinik [125]

Nope

1/10 of 240 is 3.4

7 0

3 years ago

Read 2 more answers

Find and Interpret the range of the points earned.

JulijaS [17]

21-6=15
The range of the set is 15

4 0

3 years ago

Dubnium-262 has a half-life of 34 s. How long will it take for 500.0 grams to

dmitriy555 [2]

Answer:

the time taken for the radioactive element to decay to 1 g is 304.8 s.

Step-by-step explanation:

Given;

half-life of the given Dubnium = 34 s

initial mass of the given Dubnium, m₀ = 500 grams

final mass of the element, mf = 1 g

The time taken for the radioactive element to decay to its final mass is calculated as follows;

$1 = 500 (0.5)^{\frac{t}{34}} \\\\\frac{1}{500} = (0.5)^{\frac{t}{34}}\\\\log(\frac{1}{500}) = log [(0.5)^{\frac{t}{34}}]\\\\log(\frac{1}{500}) = \frac{t}{34} log(0.5)\\\\-2.699 = \frac{t}{34} (-0.301)\\\\t = \frac{2.699 \times 34}{0.301} \\\\t = 304.8 \ s$

Therefore, the time taken for the radioactive element to decay to 1 g is 304.8 s.

4 0

2 years ago

Laura is the fund-raising manager for a local charity. She is ordering caps for an upcoming charity walk. The company that makes

faust18 [17]

$1000 -$25 = $975
975 / 6 = 162.5
= 162 caps x

4 0

3 years ago

Read 2 more answers

you buy rice at 0.71 a pound one batch of fried rice requires 10 lb of rice how much does a rice for one batch cost ​

you buy rice at 0.71 a pound one batch of fried rice requires 10 lb of rice how much does a rice for one batch cost