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Olenka [21]
3 years ago
5

(4.2 X 10 Power of four) X (2 x 10 Power of three)

Mathematics
2 answers:
Roman55 [17]3 years ago
7 0

Answer:

(4.2*10^4)*(2*10^3)=8.4*10 power of 7

Step-by-step explanation:

(4.2*10^4)*(2*10^3)

42000*2000

84,000,000

8.4*10^7

SashulF [63]3 years ago
3 0

Answer:

(4.2 X 10,000) X (2 X 1,000)

42,000 X 2,000= 84,000,000

Step-by-step explanation:

Hope this helps

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For every 3 kiwis there are 4
MArishka [77]

Answer:

Ratio of 3/4 I think

Step-by-step explanation:

Because you said for every 3 kiwis there are 4 of something so you would take the number of kiwis over the other number.

4 0
3 years ago
Hiked 3 5/6 miles and 2 1/2 miles on Saturday. Hiked 1 1/3 miles on Sunday. How many more miles to hike for a 10 mile hike
Lina20 [59]

Answer:

I dont really know

Step-by-step explanation:

4 0
2 years ago
A parallelogram with a base of y units and a height of x units is changed to have a new base of 3y units and a height of 2x unit
nataly862011 [7]
The formula for the area of a parallelogram is

A=b*h    where b=base and h=height

if the base were to increase by 3times and the height were to increase by 2 times then
6A=b*h
The area of the parallelogram would be 6 times larger

So if the original area was 47units², then the new area would be

47*6=282units²

Answer=282units²

5 0
3 years ago
Read 2 more answers
Show that y=cos(t)y=cos(t) is a solution to (dydt)2=1−y2(dydt)2=1−y2. Enter your answers below in terms of the independent varia
GrogVix [38]

Answer:

(\frac{dy}{dt})^2=sin^2t

Step-by-step explanation:

y=cost

DE :(\frac{dy}{dt})^2=1-y^2

If y is a solution of given DE then it satisfied the DE.

Differentiate w.r.t t

\frac{dy}{dt}=-sint

Using the formula

\frac{d(cosx)}{dx}=-sinx

LHS:(\frac{dy}{dt})^2=(-sint)^2=sin^2t

RHS

1-y^2=1-cos^2t=sin^2t

By using the formula

sin^2t=1-cos^2t

LHS=RHs

Hence, y is a solution of given DE

(\frac{dy}{dt})^2=sin^2t

7 0
3 years ago
What is the answer to number five?
VARVARA [1.3K]
Paid same amount is important.

5 hours each one, and 4 babysitters
5*4 is 20

And if there's 170 dollars she paid in total, then each babysitter earned 170/20 per hour, which is 8.5 dollars per hour
3 0
3 years ago
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