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Mars2501 [29]
3 years ago
12

18. The sum of 3 integers is 137. The 2nd number is 4 more than two times the 1st

Mathematics
1 answer:
hichkok12 [17]3 years ago
8 0

Answer:

The second number is four more than, two times the first number. The third ... Start by writing an expression for each of the three numbers. They are all formed from the first number, so let's call the first number x . Let the first number be x. The second number is 2x+4. The third number is 3x−5. We are told .

Step-by-step explanation:

You might be interested in
Choose as many answers as apply.
alexandr1967 [171]

Answer:

  • multiplying a multi-digit number by itself several times (finding the power of a number)
  • finding a square root
  • statistical calculations

Step-by-step explanation:

We don't know what your introduction tells you, but the above-listed operations are ones I choose to use a calculator for. I also use a calculator for ordinary arithmetic, such as division by numbers with 2 digits or more. (It is simply faster and requires no scratch paper.)

If statistical calculations are not done with a calculator, they at least require the availability of suitable tables.

___

All of these operations can be done by hand without a calculator, and were in times passed. Lifetimes of effort were involved in generating some of the original math tables for statistics, trig, logarithms, and other functions readily evaluated using a modern calculator.

3 0
3 years ago
An alarm system requires a 7-digit code using the digits 0 through 9. Each digit may only be used once in the code. How many dif
maks197457 [2]

<u>10M </u><u>different </u><u>codes </u><u>are possible.</u>

Probability Definition in Math-

  • Probability is a measure of the likelihood of an event to occur. Many events cannot be predicted with total certainty. We can predict only the chance of an event to occur i.e. how likely they are to happen, using it.
  • Four perspectives on probability are commonly used: Classical, Empirical, Subjective, and Axiomatic.
  • For example, the probability of flipping a coin and it being heads is ½, because there is 1 way of getting a head and the total number of possible outcomes is 2 (a head or tail). We write P(heads) = ½ .

  • It’s simple. there are 7 digits, so that would mean you start with 0,000,000 and end with 9,999,999.
  • If the highest digit is 9,999,999 and you add a 1 more to it, you have a total of 10M combinations.

Learn more about probability

brainly.com/question/11234923

#SPJ4

8 0
2 years ago
The ratio of boys to girls in a school is 9:11. If there are 400 pupils in the school,how many boys are there​
Anvisha [2.4K]
I believe its 180.

I have seen this question before and the amount of girls was 220, so 400-220 is 180

Hope this helps :)
5 0
3 years ago
Rich is attending a four-year College as a freshman he was approved for a 10-year Federal unsubsidized student loan in the amoun
Scorpion4ik [409]

Answer:

is Rich rich?

Step-by-step explanation:

If so invite me to their house

5 0
3 years ago
What is 100 times 10
Crazy boy [7]

Answer:1,000

the middle graph

Step-by-step explanation:

6 0
4 years ago
Read 2 more answers
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