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Ratling [72]
3 years ago
6

A 46.4 ml sample of a 1.08 M potassium chloride solution is mixed with 27.7 ml of a 1.1 M lead(II) nitrate solution and a precip

itate forms. The solid is collected, dried, and found to have a mass of 2.00 g. What is the percent yield?
Mathematics
1 answer:
Troyanec [42]3 years ago
8 0
Idk main math is pretty hard u know
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8. Calculate<br> 341) + 35)<br> ༣༨
Marta_Voda [28]

Answer: 341 + 35 = 376

Step-by-step explanation:

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3 years ago
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Helppppp. Pleaseee? :(
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There isnt enough information to solve the question, answer is E.
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Given:  m∠p =47BD∥AC <br> What is the m∠m?<br><br> Put only the number. Do not label your answer.
Anettt [7]

Answer: 43\°

Step-by-step explanation:

Observe the given figure.

You can identify that the measure of the angle "B" is:

m\angle B=90\°

Knowing this, you can conclude that the angle "p" and the angle "m" are Complementary angles, which means that the sum of their measures is 90 degrees. Then, you can write the following equation:

m\angle p+m\angle m=90\°   [Equation 1]

You know that:

m\angle p=47\°

Then you can substitute it into the [Equation 1] and then solve for m\angle m. Therefore, you get:

 47\°+m\angle m=90\°\\\\m\angle m=90\°-47\°\\\\m\angle m=43\°

3 0
3 years ago
A group of students were surveyed to find out if they like building snowmen or skiing as a winter activity. The results of the s
nignag [31]

Answer:

The answer could be easier if you make a ratio and actual graph

Step-by-step explanation:

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Sally invests £8000 in a savings account. The account pays 2.8% compound interest per year work out the value of her investment
Alborosie

Answer: the value of her investment after 4 years is £8934.3

Step-by-step explanation:

The formula for determining compound interest is expressed as

A = P(1+r/n)^nt

Where

A = total amount in the account at the end of t years

r represents the interest rate.

n represents the periodic interval at which it was compounded.

P represents the principal or initial amount invested.

t represents the duration of the investment in years.

From the information given,

P = 8000

r = 2.8% = 2.8/100 = 0.028

n = 1 because it was compounded once in a year.

t = 4 years

Therefore,

A = 8000(1+0.028/1)^1 × 4

A = 8000(1+0.028)^4

A = 8000(1.028)^4

A = £8934.3 to the the nearest penny

6 0
3 years ago
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