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timama [110]
3 years ago
7

8 out of 40 men wear glasses. write this as a fraction in its lowest terms

Mathematics
1 answer:
Aleksandr-060686 [28]3 years ago
5 0

Answer:

8/40 ..

Step-by-step explanation:

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Find the simultaneous equation x-2y=1,y^2-3xy+8=0​
Hitman42 [59]

Answer:

  (-2.2, -1.6), (3, 1)

Step-by-step explanation:

You don't have to go far to find the equations. They are right there in your problem statement. Perhaps you want to find the solutions to the equations.

Use the first equation to write an expression for x, then substitute that into the second equation:

  x = 2y +1

  y^2 -3(2y+1)(y) +8 = 0

  -5y^2 -3y +8 = 0

  -(5y +8)(y -1) = 0

  y = -8/5   or   y = 1

The corresponding values of x are ...

  x = 2(-8/5)+1 = -11/5

  x = 2(1) +1 = 3

The solutions are (x, y) = (-2.2, -1.6) and (3, 1).

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2 years ago
A car salesman sold three hybrid cars last week. The cars come in red, white, and black. A sale is listed as RWB if a red car wa
marysya [2.9K]

Answer:

black car

Step-by-step explanation:

cbuerif3qopvb vr3yiqtolfhbu;p

6 0
3 years ago
Find the area of a regular hexagon with radius length 4 m.
ivann1987 [24]

Answer:

Step-by-step explanation:

24√3

6 0
3 years ago
What happens when an object accelerates ?
arlik [135]
When an object start to accelerates it changes its state of motion.
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3 years ago
Find f(-2) for f(x) = 3.2.<br> O A. 2/1<br> OB.<br> 36<br> O C. -36<br> OD. -12<br> 3/4
valina [46]

Answer:

3/4 (A)

Step-by-step explanation:

replace x with -2 in the function

3 · 2^-2  = 3 · 0.25

3 · 0.25 = 0.75

0.75 = 3/4

3 0
2 years ago
Read 2 more answers
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