MATHEMATICS MIDDLE SCHOOL

Simplify 19 - 1.67 + (2.4)

Answers

Answer 1
Answer:

Answer:

19.73.

Step-by-step explanation:

Given : 19 - 1.67 + (2.4).

To find : simplify.

Solution : We have given  19 - 1.67 + (2.4).

By the BODMAS rule  :

First we open the parenthesis

19 - 1.67 + 2.4

Now we solve the addition operation

19+2.4 -1.67

21.4 -1.67.

Now we will solve the subtraction operation :

19.73.

Therefore, 19.73.
Answer 2
Answer: The answer is 19.73 because 19 minus 1.67 is 17.33 and 17.33 plus 2.4 is 19.73

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For the past 5 months Pablo's bicycle repair business had these profits or losses: –$85, $70, –$120, –$90, and $35. What was his average profit or loss for these five months?

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His average profit was $38 per month.


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His average loss was $80 per month.


D.
His average profit was $80 per month

Answers

The average profit (or loss) is found by adding up the profits (or losses) of the past 5 months and divinding the resulting amount by 5 (the number of months). The account is [85 + 70 + 120 + 90 + 35] / 5 = 80. Then the answer is the option C or D. HIs average loss was $80 per month or His average profit was $80 per month.

A gift box measures 14 inches by 12 inches by 6 inches. How much wrapping paper is needed to exactly cover the box?

Answers

this is find the surfae area

with some logic and simplifiaction we get
SA=2(LW+LH+WH)
lw means legnth times width
lh means legnth times height
wh=width times height

L=14
W=12
H=6
(It doesn't matter which is which when working with this shape)

SA=2(14*12+14*6*12*6)
SA=2(168+84+72)
SA=2(324)
SA=648

answer is 648 in^2
Surface Area= 648 inches
???

Can you help me with number 12 ,13,14,and 15

Answers

12. 5 T>5,000lb 13. 18000lb=5T 14. 25lb>350oz 15. 27oz>2lb

The teacher writes 10/12 on the board write this fraction in slimplest form

Answers

Answer:  (5)/(6)


Step-by-step explanation:

Given fraction= (10)/(12)

Here numerator=10

Denominator=12

We know that 10 and 12 both are multiples of 2 such that

10=2*5

12=2*6

Therefore, to write the given fraction in simplest form, divide numerator and denominator by 2 , we get

(10)/(12)=(5)/(6)
5/6 because 10 divided by two is 5. And 12 divided by two is 6. So if you want to simplify the fraction, find a number that both are divisible by. So 10/12 divided by 2 equals 5/6 and 5/6 can't be simplified so the simplest form is 5/6. Hope this helped, ;)  

What is 73,569 rounded to the nearest ten thousand

Answers

What is 73,569 rounded to the nearest ten thousand

70,000
I haven't rounded in some time, but im thinking 70,000

Apples are on sale at the grocery store at a price of 8 apples for $4.00 .Mark buys 12 apples. If he is charged the sale price for apples, how much will Mark pay?

Answers

You can do this problem 2 ways.  Whichever works easier for you:

Take the cost of 8 apples and divide it by 8 in order to find a per apple cost
4/8 = $.50 per apple
Then multiply the total number of apples by the cost per apple
12 * $.50 = $6.00 paid

Or

You can divide the total number of apples by 8 to find how many units of apples you have

12/8 = 1.5

Then multiply the number of units by the cost for 1 unit (8 apples)

1.5*$4 = $6.00
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