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Maru [420]
3 years ago
5

How many minutes have elapsed between 7:22 pm and 7:36 pm?

Mathematics
1 answer:
Nutka1998 [239]3 years ago
4 0
The hour has stayed the same. 36-22 is 14. That's 14 minutes between.
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Find the volume of a prism whose area of base is 44cmsquare and height is22cm
vovangra [49]
For this problem, you can use the volume of a prism equation:
V=Bh
Where B is the area of the base and h is the height.

So to solve this problem, all you have to do is mutiply 44 square cm by 22 cm.
44 square cm • 22 cm = 968 cubic cm
4 0
2 years ago
Who can solve this <br>2xy if x=5 and y=-3​
Softa [21]

Answer:

-30

Step-by-step explanation:

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8 0
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Verify by substitution whetherthe given functions are solutions of the given DE. Primes denote derivatives with respect to x.y!!
julia-pushkina [17]

Complete Question

The complete question is shown on the first uploaded

Answer:

y_1 is not a solution of the differential equation

 y_2 is not a solution of the differential equation

y_3 is not a solution of the differential equation

Step-by-step explanation:

The differential equation given is y'' + y' = cos2x

Let consider the first equation to substitute

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y_1'  = -sinx  +cosx

y_1''  = -cosx -sinx

So

y_1'' - y_1'  = -cosx -sinx -sinx  +cosx

y_1'' + y_1'  = -2sinx

So

-2sinx \ne  cos2x

This means that y_1 is not a solution of the differential equation

Let consider the second equation to substitute

y_2 =  cos2x

y_2' =  -2sin2x

y_2'' =  -4cos2x

So

y_2'' + y_2'  = -4cos2x-2sin2x

So

-4cos2x-2sin2x \ne  cos2x

This means that y_2 is not a solution of the differential equation

Let consider the third equation to substitute

y_3 =  sin 2x

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    y_3'' =  -4sin2x

So

y_3'' + y_3'  = -4sin2x  - 2cos2x

So

-4sin2x  - 2cos2x \ne  cos2x

This means  that  y_3 is not a solution of the differential equation

6 0
2 years ago
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Irina-Kira [14]
Add 18ft+3.14=3.32 also in your paper write area=L×W
3 0
2 years ago
Find the y-intercept of the parabola y = x2 - 5.
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(0,-5) is the y-intercept
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