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solmaris [256]
1 year ago
6

Sarah uses three and one-half pounds of clay to make 14 small vases. Use a proportion to find how many pounds of clay she will u

se to make 31 small vases.
A 12 and one half pounds
B 8 and three-fourths pounds
C 7 and three-fourths pounds
D 6 and one-half pounds
Mathematics
1 answer:
Snezhnost [94]1 year ago
5 0

Answer:

C

Step-by-step explanation:

(3.5 to 14)×10=

(35 to 140)÷7=

(5 to 20) which equals 1/4

so every pound of clay, 4 vases can be made

31÷4=7.75

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diamong [38]

Answer:

75%

Step-by-step explanation:

List out known probabilities

\Pr(shirt) = 0.65 = \frac{65}{100} = \frac{13}{20}\\ \Pr(pants) = 0.40 = \frac{30}{100} = \frac{6}{20}\\\Pr(shirt \cap pants) = 0.20 = \frac{20}{100}=\frac{1}{5}

recall equation

\Pr(A \cup B)=\Pr(A)+\Pr(B)-\Pr(A \cap B)

Plug in values

\Pr(shirt \cup pants)=\frac{13}{20}+\frac{6}{20}-\frac{1}{5}\\\\therefore \Pr(shirt \cup pants) = \frac{15}{20} =\frac{3}{4} = 75\%

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Answer:

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3 years ago
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