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Andrej [43]
2 years ago
11

Please help, correct answers please PLEASE I DO NOT UNDERSTAND

Mathematics
2 answers:
allochka39001 [22]2 years ago
8 0

Answer:

(1) 2, (2) -5/4, (3) 7/5, (4) -7/4, (5) 3/5, (6) -1/4, (7) 3, (8) -1/2, (9) 1/6

Step-by-step explanation:

each line had points on it. what you want to do is go to the bottom point. then go up until you hit the line where the other point is. then go to the side to where the other line is. make sure you're counting the whole time. if it can be simplified (ex: 2/4), simplify it. if the line is pointing to the left, it is negative. remember, rise over run, if pointing left it's negative, and draw a triangle from the points (which i didnt say but it works).

Oduvanchick [21]2 years ago
4 0
To find y2 and x2 look at the point on the right and fined the coordinates. For Y1 and x1 look at the point on the left and find the coordinates

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Simplify (*x* +2x? - 5x)+(-3x + x +1)+(3+* + 2x).
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Answer:

D

Step-by-step explanation:

4x^4+3x^2-3x^3-3x+1

3 0
3 years ago
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The number of members on an organization increases by an average of 125 members annually. There were 3,875 members in 1971. Choo
Lena [83]

Answer:

B.

Mn = Mn-1 + 125 for n > 1 ; M1 = 3,875

Step-by-step explanation:

Since they tell us after 1970, the first data would be that of 1971 and also that if we started since 1970, we do not know the data of 1969, therefore answer B is correct.

Replacing:

Let M1 = 1971 then Mn-1, that is M0 = 1970, we know that the population of 1970 the population is 3750, because it would be 125 less than the subsequent year, and in 1975 there are 3875. Therefore:

in n = 1

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3875 = 3750 + 125

this gives an equality, thus fulfilling the equation.

8 0
3 years ago
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liubo4ka [24]

Answer:

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6 0
3 years ago
Select the expression that has a sum of seventy-four hundredths.
Alex_Xolod [135]
It should be D

Explanation:
“Four-tenths (0.4) plus thirty-four hundredths (0.34).”

0.4
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Hope this helps! :D
4 0
2 years ago
The ratio of boys to girls at a movie is 3:4 . If there are 16 girls ​, how many boys are at the​ movie?
Annette [7]

Answer:

12 boys

Step-by-step explanation:

  1. Set up a proportion: \frac{3}{4} = \frac{x}{16}  
  2. Cross multiply, then divide: 3 × 16 = 48, 48 ÷ 4 = 12

I hope this helps!

8 0
3 years ago
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