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kondor19780726 [428]
2 years ago
15

100 POINTS IF YOU GUESS RIGHT PLEASE HELP

Mathematics
1 answer:
soldi70 [24.7K]2 years ago
6 0

Answer:

  • 5 and 3

Step-by-step explanation:

Let the numbers be x and y.

<u>We have:</u>

  • x + y = 8
  • x - y = 2

<u>Sum the two and find x:</u>

  • 2x = 10
  • x = 5

<u>Find y:</u>

  • y = 5 - 2
  • y = 3
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An investment gains $5 in value on one day. The next day, it loses $3 in value. Represent each of these using integers.
kap26 [50]

Answer:

+5 and -3

Step-by-step explanation: It gained 5 in value which is +5. It loses 3 in value which is -3.

4 0
2 years ago
Help... please.I don't understand TT​
pickupchik [31]

Answer:

13. The more passengers, the more Subway cars are needed; 15. There's more weight with the more packages?

Step-by-step explanation:

4 0
3 years ago
What is the radius of a circle in which a 30 degrees arc is 2 inches long
igomit [66]

arc length = pi /180 * angle in degree * radius

2 = pi/180 * 30 *r

2 = pi/6 *r

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12/pi =r

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6 0
3 years ago
Assume the line of best fit for a data set is given by y=22x+32. What data points are predicted by the line of best fit? Check a
malfutka [58]
Hi. You have to do trial and error with each of the choices to see which of those apply. They are points on the given function y=22x+32 that lie on point (x,y). Just substitute the x-and y values to the function.

a. (10,480) => x = 10, y = 480
     y = 480 = 22(10) + 32
     480 = 252 (does not apply)

b. (5,142) => x = 5, y = 142
     y = 142= 22(5) + 32
     142 = 142 (apply)

c. (8,208) => x = 8, y = 208
     y = 208 = 22(8) + 32
     208 = 208 (apply)

d. (7,154) => x = 7, y = 154
     y = 154 = 22(7) + 32
     154 = 186 (does not apply)

The answer is B and C.
3 0
2 years ago
8x + 5y = 22<br> -8x + y = 14
finlep [7]

Answer:

Y = 6 X=-1

Step-by-step explanation:

  1. Add the numbers 8x+-8x=0. 5y+y=6y. 22+14=36
  2. So that means 6y=36. So Y would equal 6
  3. Substitute the values it one of the original equations. 8x + 5(6) =22. 8x+30=22
  4. Minus 22 from both sides.
  5. That would give you 8x=-8
  6. So x would equal - 1
3 0
2 years ago
Read 2 more answers
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