2 years ago

PLZ HELP ASAP!!!Solve the inequality -20+6x>10

Mathematics

1 answer:

seropon [69]2 years ago

4 0

Answer:

x>5

Step-by-step explanation:

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1)Which of these systems of linear equations has an infinite number of solutions?

Alja [10]

1) B)3x+6y=22
6x+12y=44
because the equations are equivalent to each other
2*(3x+6y=22) -----> 6x+12y=44

2) 5x+10y=15 should be multiplied by -2, to get 5x*(-2)=-10x, and x then can be eliminated
A)-2

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3 years ago

Two trains travel a 160 km track each day. The express travels 10 km h^-1 faster and take 30 minutes less time than the normal t

aniked [119]

Let s = the speed of the slower train in km/hrs+10 = the speed of the faster train in km/hrLet t = time in hrs for the slower train to go 160 kmt-5 = time in hrs for faster train to go 160 km---------------Slower train:(1)
160=s.t

Faster train:(2) 160=(s+10) .(t-.5)From (1)(1) t=160/s
use the relations given in following screenshot and then use quadratic equation.

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3 years ago

Number 4 by the way.

Mrac [35]

F. Buying 4 bottles of Fresh All.

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2 years ago

Read 2 more answers

For most people the ratio of the length of their head to their total height is 1:7 use proportions to test your measurements and

alexandr1967 [171]

The correct answer for this question is this one: 5 / 7

There exists the same question from other source that has the continuation of the problem. Use proportions to test your measurements and see if they match this ratio. Height is 5ft

So this how to solve this:

Set the equation as:
7x = 5
x = 5 / 7

7 0

2 years ago

Simplify: 1/3(6ab-9b)+2/3(9ab+12)

tangare [24]

Not sure how simplified you need it...

8ab-3b+8

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3 years ago