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ycow [4]
2 years ago
5

Help me please I don’t get it

Mathematics
2 answers:
VMariaS [17]2 years ago
6 0
Do you need help with all of them?
qwelly [4]2 years ago
6 0
Let’s take 282 x 19 for example.

For this one, you’re going to take the 9 and multiply it by 282.

2 x 9 = 18

This, so far gives you **8, and you take the one away to add to the next product.

8 x 9 = 72 + 1 = 73

Now, we have *38, and we take the 7 to add to the next product.

2 x 9 = 18 + 7 = 25

This gives us 2,538.

Now we need to do the same for the 1 in 19. But before we do that, we must add a put a zero as the last number to this product.

2,538
+***0

2 x 1 = 2

2,538
+**20

8 x 1 = 8

2,538
+*820

2 x 1 = 2

2,538
+2,820

Now, add these two numbers together and you have your sum:

5,358



Hope this helped a bit!





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Answer:

The given function symmetric about the y-axis.

Step-by-step explanation:

The given function is

r=9\sin 7\theta                .... (1)

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2. Symmetry about the y-axis: If the point (r, θ ) lies on the graph, then the point (r,π - θ ) or (-r, -θ ) also lies on the graph.

3. Symmetry about the origin: If the point (r, θ ) lies on the graph, then the point (-r, θ ) or (r, π + θ ) also lies on the graph.

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Put (-r, -θ ) in the given function.

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Alternate solution. 5x3 divded 2 =7.5 plus 6x3 divided by 2 = 9 plus 7x ? = 27.5!

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Step-by-step explanation:

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