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Lady_Fox [76]
3 years ago
9

Solve for r. This is for combinations and permutations.

Mathematics
1 answer:
Sladkaya [172]3 years ago
5 0

Answer:

I'm guessing it could be B or D...I'm not 100% sure.

Step-by-step explanation:

It could be B because 5 can divide 45

It could be D because they are both even numbers.

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Write a fraction equivalent to 4/18
marysya [2.9K]

Answer:

Its 2/9, sorry I can't show the explanation I have to do my work.

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Problem #3
zloy xaker [14]

Answer:

He was probably measuring himself without shoes on so with shoes it adds a inch to his Highth

Hope this helps in some way

8 0
3 years ago
Which doubles fact helps you solve 8+7=15? Write the number sentence.
12345 [234]
8 + 8 = 16
16 - 1 = 15

or

7 + 7 = 14
14+1 = 15
7 0
3 years ago
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Find the equation of a line that is perpendicular to 4x+6y=1 that has a greater y intercept compared to 2x+3y=18
Marina86 [1]

Answer:

4y = 6x + 40

Step-by-step explanation:

The general equation of a straight line is y = mx + b

m is the slope and b is the y-intercept

let us write both equations in this form;

we have this as;

6y = -4x + 1

y = -4x/6 + 1/6

and;

2x + 3y = 18

3y = -2x + 18

y = -2x/3 + 6

So firstly we want to find an equation that is perpendicular to the first

When two lines are perpendicular, their slopes has a product of -1

The slope of the first line is -4/6

let the slope of the line we want be m

As per they are perpendicular;

-4/6 * m = -1

-4m/6 = -1

-4m = -6

m = 6/4

So now, we want the y-intercept greater than that of the second equation which is a y-intercept of 6

we can choose 10

and we have the equation as:

y = 6x/4 + 10

multiply through by 4

4y = 6x + 40

7 0
3 years ago
brad converted 5/11 to a decimal, and his result was repeating decimal. does this mean that the value is rational or irrational?
Alina [70]

Answer: It means the value is rational

Step-by-step explanation:

Repeating decimals can be converted to fractions and rational numbers are numbers that can be expressed as a fraction  but irrational numbers cannot be expressed as a fraction and neither does it terminate or repeat.

4 0
4 years ago
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