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guapka [62]
2 years ago
13

The Murphy family is on a road trip. On the first day, they traveled 30% of their total distance. On the second day, they travel

ed another 1/4 of the total distance. What fraction of the total distance do they have left after the second day? What percent? ANSWER ASAP!
Mathematics
1 answer:
olga_2 [115]2 years ago
7 0

Answer:

\frac{11}{20}

On the first day, they traveled 30 percents of the total distance. On the second day they traveled one fourth of the total distance. One fourth converted into percentage is 25 percent. Then you add 30 plus 25 because that is the to a

total distance that Murphy's family traveled for 2 days. It will be 55 percents, and you convert 55 percents into fraction will be 55/100, and you simplify it, will be 11/20.

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A barrel in Jim's yard contains 60 gallons of water. Water leaks out of the barrel at a rate of 1 gallon every 10 minutes. Creat
emmainna [20.7K]

Answer:

y=-0.10x+60

Step-by-step explanation:

Let

y -----> gallons of water remaining in the barrel

x-----> number of minutes elapsed

we know that

Water leaks out of the barrel at a rate of 1 gallon every 10 minutes

so

1/10=0.10\frac{gal}{min}

The linear equation that represent this situation is  

y=-0.10x+60

The graph in the attached figure

7 0
2 years ago
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A moderately active 140 pound person will use 2100 calories per day to maintain that body weight, how many calories per day are
blondinia [14]

Answer:

2,175 calories

Step-by-step explanation:

140 pound person will use 2100 calories per day

145 pounds person will use x calories per day

Find x

Pounds : calories

140 : 2100 = 145 : x

140/2100 = 145/x

Cross product

140 * x = 2100 * 145

140x = 304,500

Divide both sides by 140

x = 304,500 / 140

= 2,175

Therefore,

145 pounds person will use 2175 calories per day

4 0
2 years ago
Using a 16-sided number cube, what is the probability that you will roll a multiple of 4 or an odd prime number? The number 1 is
iogann1982 [59]
<h3>Answer: 0.563 (choice C)</h3>

================================================

Explanation:

E = event space

E = set of outcomes we want to happen

E = rolling a multiple of 4 or rolling an odd prime number

E = {4,8,12,16     3,5,7,11,13}

n(E) = number of items in set E

n(E) = 9, (four multiples of 16+five ways to roll odd prime number)

-----

S = sample space

S = set of all possible outcomes (whether we want them to happen or not)

S = {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16}

n(S) = number of items in set S

n(S) = 16

-----

P(E) = probability of event space occurring

P(E) = probability of rolling a multiple of 4 or rolling an odd prime number

P(E) = n(E)/n(S)

P(E) = 9/16

P(E) = 0.5625

P(E) = 0.563

3 0
2 years ago
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oksano4ka [1.4K]
The answer is c.(0,1.50) because $5.25 and $6.25 if u use a calculator u will see your answer
6 0
2 years ago
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What are the lengths of sides KN and NM of the kite?<br> KN = <br> units<br> NM = <br> units
Natalka [10]
Y+10= 2y+5
10=y+5
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Plug this in
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6=x-1
7=x

Plug this value in
2(7)+6
14+6= 20 for NM
7 0
2 years ago
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