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Mariulka [41]
3 years ago
5

What is the main advantage of using money instead of bartering? A. Many more people today use money than bartering to get goods

and ervices. B. Not all countries use the same types of money in their economies C. Money comes in different values to ay for goods and services D. people do not have to have a good or a service that another person wants
Mathematics
2 answers:
sladkih [1.3K]3 years ago
7 0
Yes, I agree! The answer is D!
alekssr [168]3 years ago
6 0

D. people do not have to have a good or service that another person wants

Reason: Money gives people a universal unit of value. For example, If I needed a toothbrush and I have a pair of scissors, In order for me to get a tooth brush is to trade my scissors with someone else who has a tooth brush and wants scissors. As you can see, this isn't practical. If I had money, I will only need to find someone who has a tooth brush.

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A rectangular goat pen has an area of 40 square meters. Its perimeter is 26 meters. What are the dimensions of the pen?
xxMikexx [17]
Let the dimensions be x and y

Given that the area is 40m²
xy = 40 ----------------- (1)

Given that the perimeter is 26
2(x + y) = 26
x + y = 13
x = 13 - y ---------------- Sub into (1)

(13 - y)y = 40
13y - y² = 40
y² - 13y + 40 = 0
(y - 8)(y - 5) = =
y = 8 or y = 5

The dimensions are 8 meters and 5 meters 
4 0
3 years ago
Ella plans to make treats for her class.
PSYCHO15rus [73]

Answer:

2/3 * 25/1  = 50 / 3 = 16 66/100 = 16 4/25

Step-by-step explanation:

6 0
3 years ago
Which graph represents the function f(x) = |x + 3|?
Sophie [7]
Answer: (B)
Explanation: If you are unsure about where to start, you could always plot some numbers down until you see a general pattern.

But a more intuitive way is to determine what happens during each transformation.
A regular y = |x| will have its vertex at the origin, because nothing is changed for a y = |x| graph. We have a ray that is reflected at the origin about the y-axis.

Now, let's explore the different transformations for an absolute value graph by taking a y = |x + h| graph.
What happens to the graph?
Well, we have shifted the graph -h units, just like a normal trigonometric, linear, or even parabolic graph. That is, we have shifted the graph h units to its negative side (to the left).

What about the y = |x| + h graph?
Well, like a parabola, we shift it h units upwards, and if h is negative, we shift it h units downwards.

So, if you understand what each transformation does, then you would be able to identify the changes in the shape's location.
6 0
4 years ago
Read 2 more answers
Aditi bought 20 apples at Rs 25 each and sold them at Rs 32 each. What is her total profit?​
Lelechka [254]

Answer: 140

Step-by-step explanation: 25x20=500

32x20=640

640-500= 140!!

4 0
1 year ago
SOMEONE PLEASE HELP ME!
Margarita [4]
36 over 25 is the answer Give the other person brainiest    Thank U!
8 0
3 years ago
Read 2 more answers
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