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3 years ago

Pls answer correctly brainliest and 29pts

Mathematics

2 answers:

pochemuha3 years ago

8 0

Answer:

Step-by-step explanation:

Distance covered by Amy in one hour = 1/3 x 15 miles = 5 miles

Distance covered by John in one hour = 1/5 x 30 miles = 6miles

As a result, John would jog 1 mile (6-5) farther than Amy, the answer is A

Vinvika [58]3 years ago

8 0

Answer: John goes 1 mile further than Amy

Step-by-step explanation:

Figure out how far each person can go in an hour

Amy can go 1/3 of a mile in 1/15 of an hour- Multiple by 15 to see how far she can go in 1 hour

$\frac{1}{3} *15= \frac{15}{3} = 5$ so in 1 hour Amy can go 5 miles

John goes 1/5 of a mile in 1/30 of an hour- so multiple by 30 to see how far he goes in 1 hour

$\frac{1}{5} * 30 = \frac{30}{5} = 6$

John goes 6 miles in an hour

So John goes 1 mile further than Amy (6-5)=1

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Francine ran 3 1/2 laps around the circular track in the school gym. The track has a diameter of 1/2 miles. About how far does F

Juliette [100K]

Answer:

Francine run 5.495 miles

Step-by-step explanation:

Given :

Francine ran $3\frac{1}{2}$ laps around the circular track in the school gym.

The track has a diameter of 1/2 miles.

To Find : About how far does Francine run?

Solution :

First we need to calculate the perimeter of circular track :

Perimeter of circle : $2\pi r$

Since we are given the diameter = 1/2 miles = 0.5 miles

So, Radius will be (Diameter/2) = 0.5/2 = 0.25 miles

So, The perimeter will be:

$2\pi *0.25$

$0.5\pi$

Since $\pi =3.14$

⇒ $0.5*3.14$

⇒ $1.57$

Thus the circular track is of 1.57 miles .

Since she ran $3\frac{1}{2}$ = 7/2=3.5 laps

1 lap = 1.57 miles

So, 3.5 laps = 1.57*3.5 =5.495 miles .

Hence , Francine run 5.495 miles

6 0

3 years ago

Replace the ? By < or >

Contact [7]

Answer:

Step-by-step explanation:

-3 ? $\frac{19}{5}$

-3 ? -3.8

-3 is greater than -3.8

i.e -3 > -3.8

3 0

3 years ago

Correct and best explained answer gets brainliest. :)

son4ous [18]

Y = x^2 - 64
x^2 - 64 = 0
x^2 = 64
x^2 = 8^2
x = 8 and x = -8
answer is B. x = 8 and x = -8

3 0

2 years ago

Read 2 more answers

Find the domain and range of the exponential function h(x) = 125 x

NARA [144]

Domain is all real numbers.
Range is all real numbers geater than 0

8 0

3 years ago

The Heads Up Salon charges a stylist $50 a day to rent a station at the salon. Jenny, one of the stylists, makes $25.50 for each

notsponge [240]

Answer:

50h + 25.5 = 154 is the awnser

7 0

3 years ago