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Anika [276]
2 years ago
14

A jewelry store recently sold 24 bracelets and 28 other pieces of jewelry. Based on past data, how many of the next 65 pieces of

jewelry sold should you expect to be bracelets?
Mathematics
1 answer:
pav-90 [236]2 years ago
8 0

Answer:

30

24 : 28 would equal 6 : 7

6/13 x 65 = 30

Use the proportion of the bracelets

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Here are the answers to problem 1..

a) 11

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6 0
3 years ago
A box of cereal states that there are 75 calories in a 34-cup serving. What is the unit rate for calories per cup? How many calo
xeze [42]
The unit rate is how many calories are in 1 cup of cereal.
Set up a proportion:
\frac{75 cal}{3/4 cup} = \frac{X cal}{1 cup}
Cross multiply and solve:
\frac{3}{4} X = 75\\ 3X=300\\X=100
There are 100 calories per cup of cereal.

To get the calories in 4 cups of cereal, simply multiply the unit rate of 100cals/cup by 4.
100*4=400
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8 0
3 years ago
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In buffalo new York the temperature was -14 Fahrenheit in the morning. if the temperature dropped 7F and then rose 9 what is the
lutik1710 [3]

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4 0
3 years ago
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We use the formula V = πr2h to find the volume of a cylinder. Make h the subject of the formula.
Gennadij [26K]

Answer:

V / ( pi r^2)  = h

Step-by-step explanation:

V = pi r^2 h

Divide each side by pi r^2

V / ( pi r^2)  = pi r^2 h / pi r^2

V / ( pi r^2)  = h

7 0
2 years ago
In a​ race, 17 out of the 50 swimmers finished in less than 37 minutes. What percent of swimmers finished the race in less than
Brut [27]
17/50=0.34 34% of the swimmers finished in less than 37 minutes
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