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Crank
3 years ago
13

A compound is made up of various elements totaling 110 ounces. If the total amount of lead in the compound weighs 2 ounces, what

percent of the compound is made up of lead? If necessary, round your answer to the nearest hundredth of a percent.
Mathematics
1 answer:
ivann1987 [24]3 years ago
5 0
To find the answer we can first put the amount of lead in the total compound:

2/110

We can then proceed to find the percentage:

2/110 x 100%
=0.01818181...×100%
= 1.81%(correct to nearest hundredth)

Therefore the answer is 1.81%.

Hope it helps!
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algol13

Answer:

$6.73

Step-by-step explanation:

Since it says "answer in coins" she could have 24 quarters, 7 dimes, and 3 pennies.

I believe this correct but im not exactly sure

I hope this helps :)

7 0
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There are three boxes: one with two golden coins, one with two silver coins, and one with one golden coin and one silver coin. A
krek1111 [17]

Answer:

Step-by-step explanation:

From Bayes' theorem is stated mathematically as the following equation:[2]

{\displaystyle P(A\mid B)={\frac {P(B\mid A)\,P(A)}{P(B)}},}

where A and B are events and P(B) ≠ 0.

P(A) and P(B) are the probabilities of observing A and B without regard to each other.

P(A | B), a conditional probability, is the probability of observing event A given that B is true.

P(B | A) is the probability of observing event B given that A is true.

At this point, go through the attached file before you continue with part B.

Part B)

P(silver) = P(silver from SS)+P(silver from GS)

note P(SS)=P(GG)=P(GS) = 1/3

P(silver from SS) = 1

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hence

P(Silver from SS) = 1/3

P(Silver from GS) = 1/3 *1/2

P(Silver) = 1/3*1+1/3*1/2

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4 0
3 years ago
Which expression is equivalent to -7(y-2)
soldi70 [24.7K]

Hello!

Distributive property: a(b+c)=ab+ac

a=-7, b=y, c=2

-7y-(-7)*2

Minus and plus sign.

-7y+7*2

Then multiply by the numbers.

7*2=14

\boxed{=-7y+14}

Hope this helps!

Thanks!

Have a great day!

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Answer:

im pretty sure its 270 clockwise.

Step-by-step explanation:

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