Two lines are perpendicular. The slope of one line is -2, What is the slope of the other line?A. 1/2

B. -1/2

C. -2

D. 2

Answers

Answer 1

Answer: perpendicular lines have negative reciprocal slopes. All that means is " flip " the slope and change the sign.
slope = -2, or -2/1....so flip the slope...-1/2...and change the sign...1/2.
so the perpendicular slope would be 1/2.

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9 is 60% of what number?

Answers

Lets say 9 is 60% of x
so 9/x= 60/100 or x= 100*9/60=15
so 9 is 60% of 15.
Hope I helped!:-)

Is 9 rational or irrational?

Answers

Answer:

9 is a rational number.

Step-by-step explanation:

Answer:

irrational

Step-by-step explanation:

How the number 9 is irrational is that irrational numbers are numbers that are not expressed as fractions or decimals. So some examples of irrational numbers is 1,2,6,22,12,9

can I get brainlest?

What number is 30% of 68?

Answers

30%of 68 = 30/100*68= 3*68/10=204/10=20.4

Answer:

Step-by-step explanation:

How many problems of each point value are on the test?

The polynomial 2x3 − 5x2 + 4x − 10 is split into two groups, 2x3 + 4x and −5x2 − 10. The GCFs of each group is then factored out. What is the common binomial factor between the two groups after their GCFs have been factored out?

a)2x + 5
b)2x − 5
c)x2 − 2
d)x2 + 2

Answers

2x³ - 5x² + 4x - 10

(2x³ + 4x) + (-5x² - 10)

2x(x² + 2) - 5(x² + 2) = Answer is Choice D. x² + 2

The common binomial factor between the two groups after their GFCs factored out 2x + 5.

The correct option is (A)

What is GCF?

The greatest commonfactor (GCF) of a set of numbers is the largest factor that all the numbers share.

Given: 2x³ - 5x² + 4x - 10, splits into (2x³ + 4x) + (-5x² - 10)

So, to find the GCF factorise each term

= (2x³ + 4x) + (-5x² - 10)

= 2*x*x*x+2*2*x-5*x*x-2*5

= 2x(x²+2)-5(x²+2)

= (2x-5) (x²+2)

Hence, the common binomial factor between the two groups (2x-5).

Learn more about GCF here:

brainly.com/question/11444998

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??What's the balance ??

Answers

I think the answer is A because the balance after 4 years is not on their and so we are trying to find the balance after three years. And after 3 years the balance is 805

I believe it's A.
Hope this helps.

Can ya'll help me? tehee :)