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insens350 [35]
3 years ago
6

Complete Ratio table

Mathematics
2 answers:
Natasha_Volkova [10]3 years ago
7 0
8-2
16-4
24-6
32-8
40-10
Crank3 years ago
4 0

Answer:

Step-by-step explanation:

8 2

16 4

24 6

32 8

40 10

???

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What transformation of Figure 1 results in Figure 2.? A dilation of Figure 1 results in Figure 2.
sergiy2304 [10]

A dilation is when the shape changes I. Size

3 0
3 years ago
Use the method of Gauss to find the sum.1+2+3+.....+400
nikklg [1K]
Gauss' method for addition relies on the fact that you can 'pair' certain numbers together. Look at the example:

1+2+3+4+5+6+7+8+9+10

We could manually add all these together from left to right but a clever way to think about this is if we add together the ends of the sum (10+1) we get 11. If we then move one in from the ends and add these (2+9) we also get 11. This means that 1+2+...+9+10 is the same as 11+11+...+11+11.

Because each 2 numbers adds to 11 we know the total number of 11's we have to add together is the length of the sum divided by 2. In our case 5 (10 ÷ 2). We need to add 5 lots of 11 to get our answer. This is the same as 11 × 5 which is easily seen to be 55.

(If you add the 10 numbers together on a calculator you'll see 1+2+3+4+5+6+7+8+9+10 = 55) so this method really makes it a lot quicker.

Looking at your sequence, if we pair the ends together we get 401 (400+1) and we multiply this by the length of the sequence divided by 2. In your case, 200 (400 ÷ 2).

So the sum of all the numbers from 1 to 400 must be 401 × 200 = 80,200.

Remember the steps:
1. Pair the ends together and add them
2. Times this number by the length of the sequence halved

Hope this helps.
6 0
3 years ago
Joslyn wants to buy 4 packs of pens for $12.00 each and a pack of pencils for &6.00. How much money does she need
seropon [69]
$54 is your answer

You multiply $12.00 by 4 packs of pens and then add $6.00 for the pencils.
8 0
3 years ago
PLEASE HELP ASAP!! i will mark you brainliest
V125BC [204]

Answer:

1.  I am not sure about the first one. I tried everything and nothing I got from any of my work is looking right.

2. AB = 5

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4 0
3 years ago
Determine the intercepts of the line.
gayaneshka [121]

Answer:

x-intercept: (18/5,0)

y-intercept: (0,-2)

Step-by-step explanation:

btw .. you put the equation twice it's supposed to be " -5x+9y=-18 "

5 0
3 years ago
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