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nevsk [136]
3 years ago
13

What is the difference? 2x 7 - 8x 7 a. -6x 14 b. 10x 7 c. -16x 7 d. -6x 7

Mathematics
1 answer:
spayn [35]3 years ago
5 0
2x^{7}-8x^{7}=-6x^{7}
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A dripping faucet loses about 2.5×10^−4 litres of water each minute. There are approximately 3×10^5 minutes in a month.
Scilla [17]

Answer:

7.5 litres.

Step-by-step explanation:

Volume of water lost in 1 month = 2.5 * 10^-4 * 3 * 10^5

= 2.5 * 3 * 10^(-4+5)

= 7.5 * 10^1

= 7.5 litres (answer)

3 0
3 years ago
Read 2 more answers
A manufacturing company makes 1,125 items every hour. Which of these statements are true? Check all that apply.
Andre45 [30]

The options regarding the number of hours items are manufactured are:

4,500 items are made every 4 hours.

5,625 items are made every 5 hours.

What is the number of items made per hour?

The number of items that company produces every hour is 1,125 items

We can determine the number of items made in 3,4,5 and 6 hours in order to determine the correct options:

items made in 3 hours=3*1125

items made in 3 hours=3,375

items made in 4 hours=4*1125

items made in 4 hours=4,500

items made in 5 hours=5*1125

items made in 5 hours=5,625

items made in 6 hours=6*1125

items made in 6 hours=6,750

Find out more about manufacturing on:brainly.com/question/15261803

#SPJ1

Full question and options:

A manufacturing company makes 1,125 items every hour. Which of these statements are true? Check all that apply. 3,255 items are made every 3 hours. 4,500 items are made every 4 hours. 5,625 items are made every 5 hours. 6,725 items are made every 6 hours.

3 0
1 year ago
Simplify -4 + (-3) + 6
Sedaia [141]
Start off with: -4 + (-3) + 6

First of all, when there is a, + sign and a - sign next to each other, the - side wins.
E.g. 1 +- 3 = 1 - 3

So, apply this to our one:
-4 -3 +6

From there you solve, you can do this using the number line method or whatever you are into:
=-7 + 6
=-1
The answer is -1




3 0
3 years ago
I need help with this one
MariettaO [177]
Do pie multiply by 2 to the power of 2
3 0
3 years ago
Read 2 more answers
1. I am a multiple of 2, 4, and 8. The sum of my two digits is 7. Who am i?
vaieri [72.5K]

Answer:

a. 16

b. 26

c. (11,13) and (17,19)

d. 3,8,12

Step-by-step explanation:

1. 2x8 = 16, sum of 1 +6 ( 2 digits)= 7

2. 2+3+5+7+11= 28

3. 10 to 20 ( 11,13,17,19) so we can make a pair that has difference of 2 like (11,13)

4. I will attach

6 0
1 year ago
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