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kotegsom [21]
3 years ago
7

Hi! May I please have some help?

Mathematics
2 answers:
yaroslaw [1]3 years ago
8 0

answer

54

explanation

21+18×2-12+1 (21-12+1=9)

9+18×2(9+18=27)

27×2(27×2=54)

54(answer)

max2010maxim [7]3 years ago
6 0
Steps:
18 x 2
What is that?
You can also think of it as 9 x 4 if that is easier
Then whatever you got for that, add 21 then subtract 12 and add 1
You might be interested in
Order of expression and simplify expressions
KiRa [710]

Answer:uidelines called the order of operations, which outlines the order in which parts of an expression must be simplified.

ORDER OF OPERATIONS

When simplifying mathematical expressions perform the operations in the following order:

1. Parentheses and other Grouping Symbols

Simplify all expressions inside the parentheses or other grouping symbols, working on the innermost parentheses first.

2. Exponents

Simplify all expressions with exponents.

3. Multiplication and Division

Perform all multiplication and division in order from left to right. These operations have equal priority.

4. Addition and Subtraction

Perform all addition and subtraction in order from left to right. These operations have equal priority

Step-by-step explanation:

3 0
3 years ago
Answer pleaseeee!!! :)))
sertanlavr [38]

Answer:

cos B= 7/25

tan B = 24/7

sin B = 24/25

Step-by-step explanation:

cos B= adjacent/hypotenuse = 7/25

tan B = opposite/adjacent = 24/7

sin B = opposite/hypotenuse = 24/25

7 0
3 years ago
What is the slope of the line?<br> y=54x−13π
Grace [21]
If the equation is in the form of y = mx + C, where m and C are real numbers, the slope (which means gradient) of the line is the coefficient of x (I.e. the number to the left of x in simple language), which is m.

In this case, m = 54 and C = -13pie. Both are real numbers, which means that this equation satisfies the form of y = mx + C

m is the coefficient of x, which is 54. 54 is the gradient of this line, which means that for every 54 y-axis units the line increases, the line increases 1 x-axis unit.

Hope this helps! :)
4 0
3 years ago
Help its due in 15 mins ​
Anton [14]

Answer:

\sqrt{44} = 2\sqrt{11}

Step-by-step explanation:

Apply pythagorean theorem:

ABD is a right triangle with angle ADB = 90

hence AD = \sqrt{AB^{2} - BD^{2}  } where BD = 10 because it is half of BC

AD = \sqrt{12^{2}-10^{2}  } = \sqrt{44} = 2\sqrt{11}

8 0
3 years ago
Question 3
Alja [10]

Answer:

i forgot sorry

Step-by-step explanation:

6 0
3 years ago
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