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vovangra [49]
3 years ago
8

Which is the correct algebraic expression after combining like terms?

Mathematics
2 answers:
Free_Kalibri [48]3 years ago
7 0

Answer:

  b)  3cd+3 1/3c-3d

Step-by-step explanation:

It can work well to factor the variables out so you can see the coefficients more easily:

  6cd+3c-7d-3cd+4d+1/3c

  = (6 -3)cd +(3 +1/3)c +(-7 +4)d

  = 3cd +(3 1/3)c -3d

Nina [5.8K]3 years ago
6 0

Answer:

b

Step-by-step explanation:

i took the test on Edge and i got it right

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Write these fractions in their simplest form 9/24 nrbnebdjebdhebshwvnshshshsbzhsvshhssysgs
Flura [38]

Answer:for 9/24 you divide the top and the bottom by 3 and get 3/8

Step-by-step explanation:

6 0
3 years ago
(Optional topic) Should the government help the poor? In the 2014 General Social Survey, 32% of those sampled thought of themsel
alina1380 [7]

Answer:

0.71875

Step-by-step explanation:

Probability that a person thinks of himself as Democrat = P(A)= 0.32

Probability that a person agress that the govt. in Washington should do everything possible to improve the standard of living of poor= P(B)

Probability that a Democrat agress that the govt. in Washington should do everything possible to improve the standard of living of poor P(A ∩ B) = 0.23

P(B/A) = P(B∩A)/ P(A)

P(B/A)= 0.23/0.32

P(B/A) = 0.71875

8 0
3 years ago
A walking path across a park is represented by the equation y=-3x-6. A new path will be built perpendicular to this path. The pa
galben [10]
The equation of the new path would be y=1/3x+4.

Explanation
If two lines are perpendicular, their slopes are negative reciprocals of each other.  The original equation is written in slope-intercept form, y=mx+b, where m is the slope.  In this equation, m=-3=-3/1.

In the new equation, the slope would be the opposite sign and flipped; this means it would be 1/3.

We can use the point given, the slope and slope-intercept form to write the equation of the new line:

y=mx+b
3=1/3(-3)+b
3=1/3(-3/1)+b
3=(-3/3)+b
3=-1+b

Add 1 to both sides:
3+1=-1+b+1
4=b

This makes the equation y=1/3x+4.
6 0
3 years ago
HELP ASAP PLEASE, this is the last question i promise T^T
Vikentia [17]

Answer:

A= 10

Step-by-step explanation:

[10 + 2/360˚(10)]

4 0
2 years ago
(5,1); m=2 write an equation of the line
gtnhenbr [62]
Hey there! :) 

To find an equation of a line that passes through (5, 1) and has a slope of 2, we'll need to plug our known variables into the slope-intercept equation.

Slope-intercept equation : y = mx + b ; where m=slope, b=y-intercept

Since we're already given the slope, all we really need to do is find the y-intercept.

We can do this by plugging our known values into the slope-intercept equation.

y = mx + b

Since we're trying to find "b," we need to plug in "y, m, x" into our formula.

(1) = (2)(5) + b

Simplify.

1 = 10 + b

Subtract 10 from both sides.

1 - 10 = b

Simplify.

-9 = b

So, our y-intercept is 9! 

Now, we can very simply plug our known values into slope-intercept form.

y = mx + b

y = 2x - 9 → final answer

~Hope I helped!~
3 0
3 years ago
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