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Alchen [17]
3 years ago
9

John runs the 400 meter dash in 50.1 seconds, what is his average speed in meters per second?

Mathematics
1 answer:
STatiana [176]3 years ago
3 0

Answer:7.98403194 m / s

and i dont know how to work it out because I did it in my head

Step-by-step explanation:

You might be interested in
(x-2)^3+13=-112<br> <img src="https://tex.z-dn.net/?f=%28x-2%29%5E3%2B13%3D-112" id="TexFormula1" title="(x-2)^3+13=-112" alt="(
yKpoI14uk [10]

Answer:

x = -3

Step-by-step explanation:

(x - 2)^3 + 13 = -112

Subtract 13 from both sides

(x - 2)^3  = -125

Take the cube root of both sides

x - 2 = -5

Add 2 to both sides

x = -3

7 0
3 years ago
After 2 years, $600 deposited in a savings account with simple interest had earned $120 in interest. What was the interest rate?
Lana71 [14]

Answer:

300%

Step-by-step explanation:

600 / 120 = 300

4 0
3 years ago
What is the quotient please help me
Vedmedyk [2.9K]

Answer:

Ans. =

1.25a^{2}b^{2}

8 0
3 years ago
Can someone help me please
Morgarella [4.7K]

Answer:

<u>The volume of this figure is approximately 418.88 centimeters squared!</u>

Step-by-step explanation:

The volume for a right circular cone is V = (π)(r^2)(h/3)

Substituting known values is as follows:

V = (π)(r^2)(h/3)

V = (π)(4^2)(25/3)

V = (π)(16)(25/3)

<u>V ≈ 418.88 cm^3</u>

5 0
3 years ago
at the grocery store avacados cost three times as much as grapes kiwis cost .75 less than avocados if i spent a total of 16.75 h
Romashka [77]
A - avocados, G - grapes, K - kiwis.
We know that: A = 3G, K = A - 0.75
So: G = A / 3
A + G + K = 16.75
A + A/3 + A - 0.75 = 16.75
7/3 A = 16.75 + 0.75
7/3 A = 17.50
A = 17.50 : 7/3
A = $7.50
G = 7.50 : 3 = $2.50
K = 7.50 - 0.75 = $6.75
Answer:
Prices of the fruits are A = $7.50, G = $2.50 and K = $6.75.
5 0
3 years ago
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