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4 years ago

(-49) - (-66) Pls give relevant ans

Mathematics

2 answers:

IrinaK [193]4 years ago

5 0

Answer:

17 is your answer.......

AfilCa [17]4 years ago

4 0

Answer:

Step-by-step explanation: -49 -(-66)

= -49 + 66 ( here (-) and (-) is multiplied, therefore the final answer is +)

= 17 ( here when - and+ sign comes subtract them as we do normally, then mark the final answer with the greater number's sign, here the greater number is 66, so in the final answer we mark +17 or 17)

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2) Evaluate the given numerical expression. A) 9 B) 12 C) 14 D) 21

eduard

Answer:

$\boxed{\sf{14}}$

Step-by-step explanation:

$\boxed{\underline{\text{ORDER OF OPERATIONS:}}}$

Use the order of operations.

Note: PEMDAS or BODMAS stands for:

PEMDAS

Parentheses
Exponents
Multiply
Divide
Add
Subtract

BODMAS

Brackets
Order
Divide
Add
Subtract

First, do parentheses.

3+6*(5+4)÷3-7

(5+4)=9

$\Longrightarrow: \sf{3+6* 9\div 3-7}$

Do multiply and divide.

6*9=54

54/3=18

Then, rewrite the problem down.

$\Longrightarrow: \sf{3+18-7}$

Add.

$\sf{3+18=21}$

$\sf{21-7=\boxed{\sf{14}}$

$\Longrightarrow: \boxed{\sf{14}}$

Therefore, the correct answer is "C. 14".

I hope this helps, let me know if you have any questions.

8 0

3 years ago

Susan ran 5 laps that are each 8/10 mile. How many miles did she run in all?

Levart [38]

8/10 = 0.8
0.8 x 5 =4
4 miles

5 0

4 years ago

Read 2 more answers

Please explain Algebraic Equation

faltersainse [42]

Detailed Answer:

An algebraic equation can be defined as a mathematical statement in which two expressions are set equal to each other.

Example of Algebraic Equations:

Eg. 1) x + 10 = 20
Eg. 2) 5x + 10 = 20
Eg. 3) 2x + 2 = 4

6 0

2 years ago

Simplify 4^2 ⋅ 4^8.

Savatey [412]

In terms of exponents:

1.) 4,294,967,296
2.) 1,048,576
3.) 1.84467441 x 10^19
4.) 1,099,511,627

7 0

3 years ago

I’m not sure how to slove this problem it’s a equilateral triangle and I’m trying to find out what the side is equal to.

Lerok [7]

Answer:

AB = 5/4 y - 1 = 5/4 (12/13) -1 = 2/13

AC= 7/3 y - 2 = 7/3 (12/13) -2 = 2/13

Step-by-step explanation:

Because it is a equilateral triangle, it means all sides have the same length.

AB = AC

5/4 y - 1 = 7/3 y - 2

5/4 y - 7/3 y = -2 +1

-13/12 y = -1

y = 12/13

input y to the equation.

AB = 5/4 y - 1 = 5/4 (12/13) -1 = 2/13

AC= 7/3 y - 2 = 7/3 (12/13) -2 = 2/13

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Hope it helps you.

6 0

3 years ago