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Andru [333]
3 years ago
9

Elizabeth swims 50 feet in ten seconds. Jesse swims 110 feet in 20 seconds. Reagan swims 160 feet in half a minute. Who swims fa

stest?
Mathematics
1 answer:
qwelly [4]3 years ago
6 0

Answer:

The Jesse swim fastest

Step-by-step explanation:

Given as :

The distance cover by Elizabeth while swimming = 50 feet

The time taken by Elizabeth = 10 sec

So, Speed of Elizabeth = \frac{Distance}{Time}

∴    Speed of Elizabeth = \frac{50}{10} = 5 feet per sec

Again ,

The distance cover by Jesse while swimming = 110 feet

The time taken by Jesse = 20 sec

So, Speed of Jesse = \frac{Distance}{Time}

∴    Speed of Jesse = \frac{110}{20} = 5.5 feet per sec

Again ,

The distance cover by Reagan while swimming = 160 feet

The time taken by Reagan = 30 sec

So, Speed of Reagan = \frac{Distance}{Time}

∴    Speed of Reagan = \frac{160}{30} = 5.3 feet per sec

So, Speed of Elizabeth< Speed of Reagan < Speed of Jesse

Hence The Jesse swim fastest   Answer

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3 years ago
An airplane left Atlanta with 20 empty seats. If the airplane was 75% full, what was the total number of seats on the airplane?
jek_recluse [69]
Answer is <span>C. 80

hope that helps

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8 0
3 years ago
Evaluate the expression, below, when a = 2 and b = 5. <br><br> (3 + a)² • (4 – b) + √36
stellarik [79]

Answer:

-19

Step-by-step explanation:

1) substitute a with 2 and b with 5

(3 + 2)^2 * (4-5) + √36

2) solve the brackets and the square root

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6 0
2 years ago
What Is the solution to the system of equations? Y=-3x-2<br> 5x+2y=15
snow_tiger [21]

Answer:

x,y=-19,55

Step-by-step explanation:

plug in y.

5x+2(-3x-2)=15

5x-6x-4=15

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Plug in.

y=-3(-19)-2

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3 0
3 years ago
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djyliett [7]

Answer:

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Step-by-step explanation:

Given that in the production of a plant, a treatment is being evaluated to germinate seed. From a total of 60 seed it was observed that 37 of them germinated

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p value =0.0312

Since p value <0.05 our significance level of 5% we reject null hypothesis

It is  possible to claim that most of the seed will germinate (i.e. more than 50%)

7 0
2 years ago
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