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OverLord2011 [107]
2 years ago
5

40 points and brainlyest to who ever answers this for me- please someone help me

Mathematics
1 answer:
mixer [17]2 years ago
6 0

Answer:

9) A

10) B

11) A

12) D

13) C

14) A

15) C

16) D

17) E (not sure, can't see full choice)

18) B

19) C

Explanation:

Hope this is what you're looking for friend :)

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Describe how to write 7,594,000,000 in scientific notation. Complete the description. First move the decimal point places to the
s2008m [1.1K]

Step-by-step explanation:

The given number is 7,594,000,000.

To convert it into scientific notation,

First move the decimal point places to the left to find a number that is greater than or equal to 1 and less than 10. Then multiply by 10 , using an exponent on 10 that equals the number of places you moved the decimal. The exponent is negative if the original no was <1 and the exponent is positive, if the original number was  > 1.

In 7,594,000,000, we move the decimal point places to the left before 5. It means we have moved 9 digits left.

Hence, 7,594,000,000=7.59\times 10^9 is the scientific notation.

6 0
2 years ago
What would be the solution to 45x - 180 ≤720 be?
tia_tia [17]

Answer:

X<20

Step-by-step explanation:

hope this helps

3 0
2 years ago
Read 2 more answers
15PTS!!!! HELPPPP!!! Determine the length of fencing around an 80 m by 170 m rectangular playing field if fence is to be 25 m ou
marshall27 [118]
Perimeter=2L+2W, in this case L=80+2(25) and W=170+2(25) so

P=2(L+W)=2(80+50+170+50)

P=2(350)=700m
5 0
3 years ago
There are 12 people in a class. 10 are randomly chosen. How many possible combinations are there?
Mazyrski [523]

long way

12 x 11 x 10 x 9 x 8 x 7 x6 x5 x4 x3x2/ 10x9x8x7x6x5x4x3x2x


but you can shorten that by crossing out identical numbers so you get 12 x 11

12 x 11 = 132 combinations

3 0
3 years ago
Dan buys a car for £2100.
SVETLANKA909090 [29]

Answer:

£1837.5

Step-by-step explanation:

Given data

Cost of car P=  £2100.

Rate r= 2.2%

Time t= 6 years

Now we want to find the  worth after 6 years, let us apply the compound interest expression but this time for depreciation

A= P(1-r)^t

Substitute

A= 2100(1-0.022)^6

A= 2100*(0.978)^6

A= 2100*0.875

A= £1837.5

Hence the amount of the car after 6 years is £1837.5

8 0
2 years ago
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