Compare the emergence of advanced civilizations in Meso and South America with the four early river valley civilizations.

Which of the following systems of trade was most widely used in both ancient river civilizations and ancient Native American civilizations?

bartering
the exchange of coined money
free exchange
international trade

Answer:

what do you need help with

Step-by-step explanation:

[tex]1. \: = > 4( - 7) \\ = 4 \times - 7 \\ = - 28[/tex]

[tex]3. \: = > 9( - 12) \\ = 9 \times - 12 \\ = - 108[/tex]

[tex]4. \: = > - 6( - 8.75) \\ = 6 \times 8.75 \\ = 52.5[/tex]

[tex]5. = > 27( - 3) \\ = 27 \times - 3 \\ = - 81[/tex]

[tex]7. \: = > - 55(0) \\ - 55 \times 0 \\ = 0[/tex]

[tex]8. \: = > ( - 7)( - 7.25) \\ = 7 \times 7.25 \\ = 50.75[/tex]

[tex]11. \: = > ( - 1) {}^{4} \\ = 1 {}^{4} \\ = 1[/tex]

[tex]13. = > 42 \div ( - 7) \\ = - (42 \div 7) \\ = - 6[/tex]

[tex]15. = > - 9 \div 3 \\ = - (9 \div 3) \\ = - 3[/tex]

Answer:

43a) -2

43b) 42

43c) -3.4

Step to step explanation:

43a) Look at the middle

43b) 17 -  (-25) = 42

43c) add all and then divide by 7 to get -3.4

(Im not to sure bout the last one but the others im sure. But u hope this helps <3)

Answer: Not sure exactly cause im struggling to see but..

43a) is -3

43b) is 17

43c) is 12

Im not sure if this is right but im think it is (/ >_</)

Answer:

Question 11:

A. He saves 63 dollars in week 1. 16 + 54 - 7 = 63

B. He saved 160 dollars after 2 weeks. 62 + 41 - 6 = 97 97+63= 160

C. Yes, he has 302 dollars after 3 weeks. 160 + 150 - 8 = 302

Step-by-step explanation:

12. 2, 4, and 5 are correct mah dude. take thy quiz correctly young one.

AND USE SCRATCH SHEET O' PAPER MAH GEEZ!

Answer:

Step-by-step explanation:

Don't  know  been years  since i  did  percentages

Answer:

20,085 US$ that's the answer And sub to candy girl Drew on yt

Answer:

5

Step-by-step explanation:

3^2 = 3 x 3 = 9

( 3^2 - 8 ) + 4

= 9 - 8 + 4

= 1 + 4

= 5

Answer:

(3^2-8) + 4 = 5

Step to step explanation:  

(3^2-8) + 4     (3^2 = 3 x 3)

(9 - 8) + 4

1 + 4

= 5

Hope this helps :)!

Answer:

21

Step-by-step explanation:

7 can go into 21

Answer:

21

Step-by-step explanation:

Equivalent Fractions with the LCD

8/21 = 8/21

2/7 = 6/21

Solution:

Rewriting input as fractions if necessary:

8/21, 2/7

For the denominators (21, 7) the least common multiple (LCM) is 21.

LCM(21, 7)

Therefore, the least common denominator (LCD) is 21.

Calculations to rewrite the original inputs as equivalent fractions with the LCD:

8/21 = 8/21 × 1/1 = 8/21

2/7 = 2/7 × 3/3 = 6/21

Answer:

2

Step-by-step explanation:

2

Answer:

800

Step-by-step explanation:

Answer:

It would be 8x10^-2

x = -2

Step-by-step explanation:

Answer: Calculate areas for 2 rectangles;

21*9= 189

18*42= 756

make an equation with data you have;

If 189 cost $1.31

756 cost $x

____________

756 *1.31 / 189 = $5.24 cost for second fabric

Second way;

(18x42) / (21x9) = 4 x 1.31 = $5.24

Answer:

12 ounces

Step-by-step explanation:

2+3=5

30÷5=6

6×2=12

Answer:

Great Common Factor ♡•♡

Answer:

5 :)

Step-by-step explanation:

Answer:

= -0.75-0.4

= -1.15

Step By Step

The simplified result of -0.75 - 0.4 is -1.15.

To simplify the expression -0.75 - 0.4

Step 1: Start by subtracting the decimals without considering the signs: 0.75 - 0.4 = 0.35.

Step 2: Now, remember that the original expression had a negative sign in front of it, so the final answer needs to be negative. Since we already calculated a positive value (0.35), we'll make it negative by adding the negative sign: -0.35.

Step 3: Finally, we need to subtract the whole number parts. -0 (whole number part of -0.75) - 0 (whole number part of -0.35) = 0.

Putting it all together, we have -0 - 0.35 = -0.35.

But remember, the original expression had a negative sign, so the final result is -(-0.35), which simplifies to -0.35.

In mathematical terms, -0.75 - 0.4 = -0 - (0.75 - 0.4) = -0 - 0.35 = -0.35.

So, the simplified answer is -0.35, which can also be written as -1.15 (since -0.35 = -1.00 + 0.15).

In summary, when you subtract -0.4 from -0.75, you get -0.35 or -1.15, depending on how you choose to express it.

To know more about Expression here

https://brainly.com/question/3497654

#SPJ3

Answer:

hey _ second answer is right _ ok

Answer: 34

Step-by-step explanation:

therefore, the answer to "17 is 50 percent of what number?" is 34, and you can also derive that 50 percent of 34 equals 17

Answer:

34

Step-by-step explanation:

This is a fairly simple problem. If 17 is 50% of something, that means it's half of something. That means to multiply 17 times 2, and you get 34.

Answer:

Look at the circled answers below (I hope its right):

Answer: 8(20)+8(2)=178

Step-by-step explanation: (a)(b+c)=ab+ac, so 8(20+2)=8(20)+8(2)=178

Answer:

1,792    -7168

the pattern is to multiply by -4

Step-by-step explanation:

7 · -4 = -28

-28 · -4 = 112

112 · -4 = -448

-448 · -4 = 1,792

1,792 · -4 = -7168

Answer:

I think its number 1

Step-by-step explanation:

Answer:

4

Step-by-step explanation:

Answer:

Its 1 or 3 i think

Step-by-step explanation:

Answer:

sorry cant help...if you have any math you need help with I could solve that.