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Marianna [84]
3 years ago
8

3.5x+2.5y=321 Pleeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeease help

Mathematics
1 answer:
djverab [1.8K]3 years ago
3 0

Answer:

3.5x=-6y636477374747 88

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Ratling [72]
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7 0
3 years ago
The Han dynasty lasted from 206 B.C. to 9 A.D. How many years did the dynasty last?
cricket20 [7]

Answer:

The Han dynasty last was, 215 years

Step-by-step explanation:

Given statement: The Han dynasty lasted from 206 B.C. to 9 A.D.

To find how many years did the dynasty last.

B.C. represents Before Christ

A.D. represents After Death

To find the difference between two dates,

  • When the endings are the same you subtract
  • When they are different you add

You can see that the endings in the given 206 B.C. and 9 A.D. are B.C. and A.D. are different.

Just add these 206 and 9 we get;

206 + 9 = 215 years

Therefore, 215 years did the Han dynasty last.


4 0
3 years ago
Rate of change y=5x+10
frozen [14]

Answer:

5

Step-by-step explanation:

The equation y=5x+10 is given in slope-intercept form. Slope-intercept form is a way of writing the equation of a line in the format y=mx+b, such that the coefficient of the parameter (x) is the slope, and constant (b) is the y-intercept. What that essentially means is,

y = mx + b\\\\m=slope\\b = y-intercept.

The slope of a line is its rate of change, and the y-intercept is where the graph of the line intersects the y-axis. One can apply this knowledge here by saying that, the equation y=5x+10 is given in the slope-intercept form, and the coefficient (m) equals (5), therefore the slope is (5).

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3 years ago
Solve by applying the counting principle.
Mars2501 [29]

Answer:

60

Step-by-step explanation:

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