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Salsk061 [2.6K]
3 years ago
7

Ambers fastest marathon running time is 2 hours 15 minutes and 25 seconds if a marathon is 26.2 miles how long in minutes and se

conds to the nearest Second would it take Amber to run 1 mile
Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
7 0

Answer:

approximately 3.2 minutes

Step-by-step explanation:

2 hours 15 and 25 seconds translates to 75 minutes and 25 seconds and that translates to 75.41 minutes

75.41/26.2=2.8782

if you round up its 3.2 minutes

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T=gr+gvt solve for g
alina1380 [7]

On the right side, both terms contain g, so we can factor it out


T = g(r+vt)

Now, to get g by itself, divide by the things in parentheses

g= T/(r+vt)



6 0
3 years ago
Alexander is counting his money from his piggy bank. he stacks four quarters per pile. there are 21 piles of quarters.
Sati [7]

Answer:

He has 84 quaters

Step-by-step explanation:

all you really have to do is multiply 4 times the number of stacks and you get 84

6 0
3 years ago
A diagonal of a rectangle is 8cm and forms an angel measuring 30 with one side.Find the area of the rectangle.
LenKa [72]

Answer:

16 * √3 cm² or approximately 27.71 cm²

Step-by-step explanation:

Given the 8 cm length of the diagonal and the 30° (π/6 radians) angle with one of the sides, we can calculate the width and height of the rectangle using:

8 * cos(π/6) = 8 * ((√3)/2) = 4 * √3

8 * sin(π/6) = 8 * (1/2) = 4

Multiply those two values together to get the area and you get

16 * √3 cm²

7 0
3 years ago
Complete the point-slope equation of the line through (-5,4) and (1,6). Use exact numbers.
BigorU [14]

ANSWER

y - 6 =  \frac{2}{7} (x - 1)

EXPLANATION

The point-slope equation of a straight line is given by:

y-y_1=m(x-x_1)

Where m is the slope.

The line goes through (-5,4) and (1,6).

The slope of this line is,

m =  \frac{6 - 4}{1 -  - 6}

m =  \frac{2}{7}

The point-slope equation is

y  - 6 =  \frac{2}{7} (x - 1)

7 0
3 years ago
A square is 7 cm on each side what is the area
Zina [86]

Answer:

49 cm²

Step-by-step explanation:

Formula for area:

a = l (length) x w (width)

if its 7 cm on each side, then the length and width will be 7

7*7 = 49 cm²

5 0
3 years ago
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