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maw [93]
3 years ago
5

the combined weight of an older sister and her baby brother is 74 pounds. The weight of the older sister is 2 pounds less than t

hree times the baby brothers weight. Write and solve a linear equation that will find the weight of each sibling.
Mathematics
1 answer:
Naddik [55]3 years ago
7 0
74-2=72 and 72 times 3=216 that willl be your answer
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Petrov ran 7 laps around a track.Each lap around the track is a distance of 1/4 mile. What is the total distance Petrov ran in f
Alla [95]

Answer:

9240 feet

Step-by-step explanation:

Petrov ran 7 laps around a track.Each lap around the track is a distance of 1/4 mile.

Step 1

The total distance Petrov ran in miles is calculated as:

1 lap = 1/4 mile

7 laps = x mile

Cross Multiply

x = 7 × 1/4 mile

x = 1.75 miles

Step 2

What is the total distance Petrov ran in feet?

1 mile = 5280 feet

1.75 miles = x

Cross Multiply

x = 1.75 × 5280 feet

x = 9240 feet

Therefore, the total distance Petrov ran in feet is 9240 feet

3 0
3 years ago
Cam is 3 years older than Lara, If there combined age is 63, determine their ages by solving simultaneous elmination.
dem82 [27]

Answer:

30 and 33 years

Step-by-step explanation:

Let Lara be x years

Cam =x+3

x+x+3=63

2x+3=63

2x=63-3

2x=60

x=60/2

x=30

Lara=30years and Cam =30+3+33years

5 0
3 years ago
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Can sombody plz help me with these two questions And please explain
HACTEHA [7]

Answer:

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Step-by-step explanation:

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-1/5 multiplied by 5 =-1

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