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sveticcg [70]
2 years ago
15

Describe different situations in the real world that could be modeled and solved by a system of equations in two variables.

Mathematics
1 answer:
andrey2020 [161]2 years ago
4 0

solved by a system of equations in two variables.

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Simplify 2 + 3/5x - 1 - 1/5x
tankabanditka [31]
The answer would be c. because 2-1= 1 and 3/5x - 1/5x= 2/5x. All adding up to 1+2/5x.
5 0
3 years ago
What is the midpoint of the line segment with endpoints (-2,-2) and (4.6)?
erma4kov [3.2K]

Answer:

Step-by-step explanation:

(-2,2) ...x1 = -2 and y1 = 2

(4,6)..x2 = 4 and y2 = 6

midpoint formula :

m = ((x1 + x2) / 2 , (y1 + y2) / 2)

m = ((-2 + 4) / 2 , (2 + 6) / 2)

m = 2/2 , 8/2

m = (1,4) <===

5 0
4 years ago
Eighteen less than 7 times a number is the same as 12 more than the number
professor190 [17]

Answer:

7n-18=n+12

Step-by-step explanation:

i guess

7 0
3 years ago
In a group of 28 students, 12 study both Art and Biology.
MAVERICK [17]

Answer:

100%

Step-by-step explanation:

Use conditional probability:

P(B | A) = P(B and A) / P(A)

P(B | A) = (12/28) / P(A)

We need to find the probability that a student studies art.

P(A or B) = P(A) + P(B) − P(A and B)

24/28 = P(A) + (12+12)/28 − 12/28

P(A) = 12/28

P(B | A) = (12/28) / (12/28)

P(B | A) = 1

What this means is that all of the students who study art also study biology.

3 0
3 years ago
What is 98.155 rounded to the nearest tenth
Anettt [7]
If you want to round 98.155 to the nearest tenth, it is 98.2.
The 1 is in the tenths place.  
If the number to the right of it is 5 or more, round up.
If the number to the right of it is 4 or less, round down.
In this case, you round the digit in the tenths place up because the digit in the <em>hundredths</em> place is 5+.
8 0
3 years ago
Read 2 more answers
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