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ELEN [110]
2 years ago
6

Please help I’ll mark you as brainliest if correct!

Mathematics
1 answer:
alekssr [168]2 years ago
4 0

Answer:

a. answer choice c

b. 20301

Step-by-step explanation:

You first need to understand a formula for finding the sum of consecutive integers starting from one: (m*(m+1))/2, m is the biggest number in the set.

a. The biggest number in your set is 100, so we plug in 100 for m and solve:

100*101/2=50*101=5050

b. Same thing. Use the formula t plug in 201 for m:

201*202/2=201*101=20301

The only reason you have the picture next to your question is to prove the formula (m*(m+1))/2.

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361 DIVIDED by 190,969
dimaraw [331]

Answer:

0.00189035916

Step-by-step explanation:

6 0
3 years ago
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Find m. DCR if m. RCB= 115°<br> and m_ DCB = 169º.
Burka [1]
It is 54. Draw it out. You will see that DCB - RCB = DCR
7 0
3 years ago
You draw two cards from a standard deck of 52 cards. What is the probability of drawing a queen and then a king consecutively fr
Gelneren [198K]

Answer:

4/663

Step-by-step explanation:

There are 4 queens and 4 kings in a deck. Drawing a queen would be 4/52. Drawing a king afterwards with replacing the queen would be 4/51 because you took a queen but didn't replace that one queen card so the deck has only 51 cards left after you drew the queen. Drawing a queen would not affect your chance of drawing a king card, it will only affect the total number of cards left because you didn't replace the card afterwards. 4*4=16;52*51=2652. 16/2652 can be simplified to 4/663 by dividing 4 to both numbers. 16/4=4 and 2652/4=663. The probability of drawing a queen then a king without replacement would be 4/663.

3 0
4 years ago
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Ana’s age is 8 years less than 4 times her sister’s age.
allsm [11]
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6 0
4 years ago
Pls help (see picture)
PSYCHO15rus [73]

Answer:

6.8

Step-by-step explanation:

Similar means the same shape but smaller. So we have to find the connection between 17 and 5. Which can be achieved by this equation

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2*3.4=6.8

Hope this helps and I’m sorry to ask but I would love a Brainliest

8 0
3 years ago
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