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choli [55]
3 years ago
8

The Chinese system presented in the text has symbols for 1 through​ 9, and also for​ 10, 100, and 1000. What is the greatest num

ber expressible in that​ system?
Mathematics
1 answer:
Naddika [18.5K]3 years ago
4 0
To get the biggest possible number, use all the symbols at once. 1000+100+10+9+8+7+6+5+4+3+2+1=what?
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|9x-7|=|6x+3| Solve the inequality
dexar [7]

Answer:

x = 4/15 and x= 10/3

Step-by-step explanation:

|9x-7|=|6x+3|

There are two solutions, one positive and one negative.

(9x-7)=6x+3                   - (9x-7)=6x+3

We will take the positive one first

(9x-7)=6x+3

Subtract 6x from each side

(9x-6x-7)=6x-6x+3

3x -7=3

Add 7 to each side

3x-7+7 = 3+7

3x = 10

Divide by 3x/3 = 10/3

x = 10/3


Now we will take the negative solution

- (9x-7)=6x+3

Distribute the negative sign

-9x+7 = 6x+3

Add 9x to each side

-9x+9x+7 = 6x+9x+3

7 = 15x+3

Subtract 3 from each side

7-3 = 15x +3-3

4 = 15x

Divide by 15 on each side

4/15 =15x/15

4/15 =x

8 0
3 years ago
Joshua used two wood beams, PC and QA, to support the roof of a model house. The beams intersect each other to form two similar
Sliva [168]
PR : RC = PQ :  AC

so,

PQ  = 2.8 inches

Hope this helps
7 0
3 years ago
Read 2 more answers
A car travels at the speed of 65 miles per hour. going through construction, it travels at 3/5 this speed. write thsi decimal as
zhuklara [117]
65*0.6= 39

39 is the time



4 0
3 years ago
Solve the following system of equations.<br> 2x+y = 3<br> x=2y – 1<br> x=<br> y=
qaws [65]

Answer:

y=1    x=1

Step-by-step explanation:

2x + y = 3

x = 2y - 1  

.

It looks like I could substitute the x=2y-1. Into 2x+y=3

2(2y-1)+y=3

4y-2+y=3

5y=5

y=1

x=2(1)-1

x=1

4 0
3 years ago
I need help, I will put as brainiest 15 points. pls help
lidiya [134]

*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆

Answer: 382.5

Explanation:

450 x .85 = 382.5

I hope this helped!

<!> Brainliest is appreciated! <!>

- Zack Slocum

*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆

8 0
3 years ago
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