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DanielleElmas [232]
3 years ago
8

1. Use the correct order of operation to solve the following problem: 3 × (50 – 62) ÷ 2 A. 69 B. 18 C. 21 D. 57

Mathematics
2 answers:
AveGali [126]3 years ago
5 0
The correct answer is B.18
enot [183]3 years ago
3 0

Answer:

The correct answer is option B.  18

Step-by-step explanation:

It is given an expression : 3 × (50 – 62) ÷ 2

To find the answer we have to use BODMAS principle

BODMAS means that the order of operations

B- Bracket, O - of , D - Division, M - Multiplication, A - Addition and

S - Subtraction

<u>To find the correct option</u>

<u>Step 1</u>: Do the bracket first

3 × (50 – 62) ÷ 2 =  3 × (-12) ÷ 2

<u>Step 2:</u> Division

3 × (-12) ÷ 2 = 3 x (-6)

<u>Step 3</u> : Multiplication

3 x (-6) = -18

The correct option is option B.  18

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A sample of 38 customers was taken at a local computer store. The customers were asked the prices of the computers they had boug
ziro4ka [17]

In this case, we'll have to carry out several steps to find the solution.

Step 01:

Data:

Computer Store Table

Step 02:

Mean price:

\operatorname{mean}\text{ price = }\frac{14}{38}\cdot2050\text{ + }\frac{19}{38}\cdot1050+\frac{5}{38}\cdot1000

mean price = 755.2632 + 525 + 131.5789

mean price = 1411.8421

The answer is:

$1411.8421

6 0
2 years ago
A certain pipe can be used to fill a pool with water in 2 hours. A second pipe can be used to fill the pool in 4 hours. How long
Kryger [21]

Answer:

1 1/3 hours

Step-by-step explanation:

Pipe 1 alone:

fills the pool in 2 hours

in 1 hour, it fills 1/2 of the pool

Pipe 2 alone:

fills the pool in 4 hours

in 1 hour, it fills 1/4 of the pool

Pipe 1 and Pipe 2 working together:

fill the pool in x hours

in 1 hour, they fill 1/x of the pool

Working together, in 1 hour the two pipes fill 1/2 + 1/4 of the pool.

Working together, in 1 hour the two pipes fill 1/x of the pool.

Therefore,

1/2 + 1/4 = 1/x

2/4 + 1/4 = 1/x

3/4 = 1/x

x = 4/3

x = 1 1/3

Answer: 1 1/3 hours

6 0
3 years ago
Which operation should you use to find a hypotenuse given an angle and<br> the opposite leg?
stiks02 [169]

Answer:

TOA

Step-by-step explanation:

3 0
3 years ago
What is the simplified base for the function f(x) = 2?<br><br> 2<br> 3<br> 9<br> 18
Nina [5.8K]
This is 9 I would have to say.
5 0
3 years ago
Read 2 more answers
Please help math thanks.
Mariulka [41]

700.000 = 7 . 10 . 10 . 10 . 10 . 10


We know that equal bases sum the exponents, so,


7 . 10^(1 + 1 + 1 + 1 + 1)

7 . 10^5 = 700.000


But we can also say:


(7 . 10) . 10^4

or

(70 . 10) . 10³

or

(700 . 10) . 10²

or

(7000 . 10) . 10


As we can see, the alternative C shows (7 . 10) . 10^4 which can be a correct ans, so, alternative C.

8 0
3 years ago
Read 2 more answers
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