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Mademuasel [1]
3 years ago
6

How many millimetres are there in fifteen centimetres

Mathematics
2 answers:
Anika [276]3 years ago
8 0
150 (in one centimeter there is 10 millimeters multiply 10 times 15 you get 150) 
Anastaziya [24]3 years ago
3 0
<span>When solving a question like this, with two quantities and their different units (centimetres and millimetres in this case) you can begin by converting the values to the same units. this makes the calculations easier.

15 centimeters to millimeters = 15 x 100 ( because 1 cm has 100mm)

There are 1500 mm in 15 centimetres.</span>
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inysia [295]

Answer:

D. The graph of function g is the graph of function f shifted 4 units to the left.

Step-by-step explanation:

the function g is composite function between f and x + 4, then you can re-write g as:

g(x) = 10^{x+4}

The transformation happened in the input, then you have an horizontal shifted and how it's adding 4 units then you go "faster" and move to left the graph.

In the image you can see what's mean sum a constant in the x of a function.

8 0
2 years ago
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

y_1  = cosx  +sinx

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

   y_3' =  2cos 2x

    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
3 years ago
Plz help me with the questions for math
Sonja [21]

Answer:

2. 6/9

3.2/4

4. 8/10

Step-by-step explanation:

basically the idea is to find something in the same fact family so like the example on 1, follow that and try to answer the next problams on your own its really easy

( sorry if im wrong or not i tried to help)

7 0
3 years ago
Read 2 more answers
Ronald bikes 6.9 miles each day. How far has Ronald biked in seven days
FromTheMoon [43]

Answer: 48.3  6.9 times seven

8 0
3 years ago
Read 2 more answers
Look at this shape : which image shows a rotation?
Luba_88 [7]

Answer:

Option C

Step-by-step explanation:

8 0
3 years ago
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