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marishachu [46]

3 years ago

13

Explain why the rules called the algebraic order of operations are necessary for computation

1 answer:

AfilCa [17]3 years ago

5 0

The rules are necessary, so that there is agreement as to how to evaluate an expression. By having rules, and having everyone follow the rules, an expression can have only one single correct value. If there are no rules, then different people will interpret the expression differently, and will get different values for its evaluation.

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andrew11 [14]

Answer:

D

Step-by-step explanation:

For example,

5×7-10>20

5(-3)-10<15

4 0

3 years ago

8. Solve for the given variable in the following equations. (4 marks total)

____ [38]

Step-by-step explanation:

c

V= π*r²*h

V/π = r²*h

v/(π*r²) = h

d

$\frac{x+y}{3}$ = 5

x+y = 15

x = 15-y

6 0

3 years ago

Which statements are true?

Nimfa-mama [501]

All rectangles are parallelograms. Hope this helps.

4 0

3 years ago

Read 2 more answers

What is the area of a sector when r = 2 and 0 = 1.75 radians? [?] sq units Round your answer to the nearest tenth. Enter

krok68 [10]

Answer:

Step-by-step explanation:

The area of a sector in terms of radians as opposed to degrees is

$A=\frac{\theta}{2\pi }*\pi r^2$

Filling in the formula accordingly gives us

$A=\frac{1.75rad}{2\pi rad}*\pi (2)^2$

The radians cancel out, the pi's cancel out, the 2 in the denominator cancels out (divides into 2-squared once), leaving us with

A = 1.75(2) so

A = 3.5 units squared

6 0

1 year ago

Seven times a number plus the number is 24. what is the number

katrin2010 [14]

Answer:

x=3 is the number

Step-by-step explanation:

Suppose number be "x".

Equation will be

7x + x = 24

8x = 24

x = 24/8

x = 3

5 0

3 years ago

Read 2 more answers