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frez [133]
3 years ago
15

How to solve 18-4t/.5=20

Mathematics
1 answer:
Damm [24]3 years ago
7 0
Divide .5 4 then do the rest
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Which of the following are solutions to the equation below?
Reptile [31]

Answer:

Option B and D

Step-by-step explanation:

Subtract 9 from both sides :

4x² + 4x - 8 = 0

Divide both sides by 4 :

x² + x - 2 = 0

Factorise using factorisation method :

x² - x + 2x -2 = 0

x(x - 1) +2(x-1) = 0

(x+2)(x-1) = 0

Solve for x

x +2 = 0   OR     x - 1 = 0        

x = -2       OR     x = 1

Answer will be Option B and D

Hope this helped and have a good day

7 0
1 year ago
Read 2 more answers
According to the census data, in 2014 about 126 million adults in the United States were women, which is about 51.4% of the tota
jeka57 [31]

Answer:

245.1361868

Step-by-step explanation:

126               51.4

___    =        ____             126x100=12600      12600/51.4=245.1361868

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6 0
3 years ago
What can be concluded from the statement ∠1 + ∠2 = 90°?
irinina [24]
  • <1+<2=90°

The sum of measures of angles A and B is 90°

Hence the angles are complementary

  • As complementary angles have sum 90°

8 0
1 year ago
Please help meeee!!!!!
Georgia [21]

Answer:

Now plot those points in graph and find intersection hope it helps you.......

8 0
2 years ago
If there is an 80% chance of rain and a 10% chance of wind and rain, what is the probability that it is windy, given that it is
dalvyx [7]
13% (apex) is the correct answer 
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