3 years ago

Write the number 70815 in thierexpanded form

Mathematics

1 answer:

luda_lava [24]3 years ago

4 0

Answer: seventy thousand eight hundred fifteen

Step-by-step explanation: 70000 plus 800 plus 10 plus 5

i hope it is what u mean

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(05.02 MC)

Len [333]

the answer for this question is (a)(-8,-4)

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3 years ago

Flying against the wind, an airplane travels 4620km in 6 hours. Flying with the wind, the same plane travels 3750km in 3 hours.

koban [17]

Let us call the rate as velocity. Now the velocities of the plane and of the wind are:
$v_{p}$ and $v_{w}$ :
Now

case 1: $v_{p} - v_{w} =4620/6=770 km/h$

case 2: $v_{p} + v_{w} =3750/3=1250 km/h$

from equation 2: $v_{w} = 1250 - v_{p}$
substitute in equation 1:
$v_{p} - 1250 + v_{p} =770 v_{p} = 1010 km/h$
Which is your velocity in still air (without wind)
Substituting back in:
$v_{w} = 1250 - v_{p}$
you get:
$v_{w} = 1250-1010 = 240 km/h$
which is the wind velocity

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3 years ago

If y = 2x^3 - 4x and dx/dt = 4, find dy/dt when x = 1. Give only the numerical answer. For example, if dy/dt=3, type only 3.

GaryK [48]

Answer:

dy/dt = 8

Step-by-step explanation:

y = 2x^3 -4x

dy/dt = 2 * 3x^2 dx/dt -4 dx/dt

dy/dt = 6x^2 dx/dt - 4 dx/dt

substitute dx/dt =4 and x=1

dy/dt = 6 * (1)^2 * 4 - 4(4)

dy/dt = 24-16

dy/dt = 8

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3 years ago

SOMEONE PLEASE JUST ANSWER THIS FOR BRAINLIEST!!!

IceJOKER [234]

Remember to be mindful of the signs when adding and subtracting. The answer is:11w^4-5w^2z^2-4z^4

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3 years ago

Mr. Burrows bought a

polet [3.4K]

The answer that you are looking for is 2.39$ hope this helps

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3 years ago

Write the number 70815 in thierexpanded form​

Write the number 70815 in thierexpanded form