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lesantik [10]
4 years ago
6

How to I solve three times a number, increased by 2 in the algebraic expression

Mathematics
1 answer:
jok3333 [9.3K]4 years ago
3 0

3 times a number would be 3N

than increased by 2 means add 2

 so the equation would be 3N+2 =

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What happens when you see 42 (17 – 15) / (3 + 1) – 5 ? What do you do first? The mnemonic PEMDAS or Please Excuse My Dear Aunt S
valina [46]

Answer:

The operations done first are:

a)  42 (17 – 15) / (3 + 1) – 5 ; (17 -15) or (3 + 1) (parenthesis) are done first

b)  42 (17 – 15) / (3 + 1) – 5 ; 7 × 2 (multiplication) is done first

Step-by-step explanation:

from the mnemonic PEDMAS, the order of operations are: Parentheses, Exponents, Multiplication/Division, Addition/Subtraction.

hence in the first expression : 42 (17 – 15) / (3 + 1) – 5, the parenthesis (bracket is simplified first as follows:

(17 - 15) = (2) ;  and (3 + 1) = (4) ;  hence the expression will be simplified as follows: 42 (2) / (4) - 5.

Next, since there is no exponent in the expression, Multiplication follows:

42 (2) = 42 × 2 = 84 ; hence he expression becomes: 84 / 4 - 5

Next division follows : 84/4 = 21, therefore the expression becomes

21 - 5.

Finally, subtraction follows : 21 - 5 = 16

b)  5 + 7 x 2 - 9;

first, multiplication is done: 7 × 2 = 14, hence the expression becomes :

5 + 14 - 9.

Next in the order is addition : 5 + 14 = 19, hence, the expression becomes:

19 - 9.

Finally, subtraction follows: 19 - 9 = 10

4 0
3 years ago
A gym offers classes for students to attend. If both the range and median number of students attending each class was 13 student
Hatshy [7]

Answer: C (The Last One)

Step-by-step explanation:

The answers correct because, If the range and median is 13 that means that the highest and lowest point equal 13 and the middle/the line in the graphs should be on 13. A doesn't have the line/median on 13 so it is not that answer. But B and C have the line/median on the line so we just have to check the range. The range of B is: 9, The range of C is: 13. So based off that we know that the answer is C.

Hope This Helps!

3 0
3 years ago
PLEASE HELP ME ASAP I WILL GIVE YOU BRAINLIEST TO THE FIRST PERSON WHO ANSWERS CORRECTLY- find the value of Y
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Answer:

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Step-by-step explanation:

PYTHAGOREAN THEOROM

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3 years ago
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lora16 [44]

Answer:

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Step-by-step explanation:

x-y =23\\xy=518

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y= Monique's Age

y=\frac{518}{x}

x=23+y

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8 0
2 years ago
The elevation of New Orleans, Louisiana is on average 8 feet below sea level. The elevation of El Centro, California is 39 feet
Aliun [14]

Answer:

Its a 31 ft

Step-by-step explanation:

3 0
3 years ago
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