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3 years ago

What is 18k + 30fk in like terms. Will give brainliest to correct answer.

Mathematics

2 answers:

oee [108]3 years ago

4 0

Answer:

6k(5f+3)

Step-by-step explanation:

18k+30fk

Factor out 6.

6(3k+5fk)

Consider 3k+5fk. Factor out k.

k(3+5f)

Rewrite the complete factored expression.

6k(5f+3)

zloy xaker [14]3 years ago

4 0

Answer:

6k(5f+3)

Step-by-step explanation:

18k+30fk

Factor out 6.

6(3k+5fk)

Consider 3k+5fk. Factor out k.

k(3+5f)

Rewrite the complete factored expression.

6k(5f+3)

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7. Write the equation of a line which passes through the points (-3,5) and (6,23)

faust18 [17]

Answer:

answer to the equation is

$y = 2x + 11$

Step-by-step explanation:

$y = mx + b$

first find the slope of the line using the two points

$slope \: m = \frac{y2 - y1}{x2 - x1} = \frac{23 - 5}{6 - ( - 3)} \\ = \frac{18}{9} \\ slope \: m = 2$

substitute 2 for m and use one of the points for x and y and solve for b

$5 = 2( - 3) + b \\ 5 = - 6 + b \\ 5 + 6 = b \\ b = 11$

Now that you found b, the y-intercept, you can substitute that into the equation for your line

$y = 2x + 11$

7 0

3 years ago

If 2/9 of the students in a school are in 6th grade, then how

sveticcg [70]

Answer:

231

Step-by-step explanation:

$\frac{2}{9}$ = $\frac{42}{x}$

42÷2= 21

9×21= 189

189 students total

42 6th graders

5 0

3 years ago

Read 2 more answers

What is 5/4 - 1/3 - 1/2 plz I need to know plz I really need to know tell me if u know

Anna007 [38]

Answer:

29 /12 or 25 /12 or 2.4166667

Step-by-step explanation:

1/2 + 2/3 + 5/4

5 0

3 years ago

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The functions r and s are defined as follows.

Arlecino [84]

Answer:

r o s(3)=?

s(x)= x²-1

x=3

s(3)= 3²-1

s(3)= 9-1

s(3)=8

r(8)

r(x)= -2x-1

x=8

r(8)= -16-1

r(8)= -17

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2 years ago

15 minutes is what percentage of One Hour?

Yuki888 [10]

Answer:

25%

Step-by-step explanation:

1 Hr = 60 Minutes

Divide by 15 = 4

100/4 = 25%

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3 years ago