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kogti [31]
2 years ago
7

Which algebraic expression is equivalent to the expression below?

Mathematics
2 answers:
enyata [817]2 years ago
7 0
The answer is B, all you have to do is combine like terms 8x+9x and 12+ -3
vazorg [7]2 years ago
6 0

Answer:

b

Step-by-step explanation:

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Find f(2) if f(x) = 2x + 1
Fantom [35]

Answer: f(2)=5

Step-by-step explanation:

f(2)=2(2)+1=5

f(2)=5

3 0
3 years ago
PLS HELP ME ON THIS QUESGTION I WILL MARK YOU AS BRAINLIEST IF YOU KNOW THE ANSWER PLS GIVE ME A STEP BY STEP EXPLANATION!!
lord [1]

Answer:

D. Range

Step-by-step explanation:

The definition of range is as the question says, and we can also use the process of elimination to make sure it's not the others.

A mean is the average of a data set.

A mode is the item that appears the most times.

And a median is the middle number.

As you can see, A, B, C all don't fit the given statement in the question, so it is D. Range.

I hope this helped! :D

5 0
2 years ago
6. Sketch the region enclosed by the graphs of x =0, 6y-5x=0 and x+3y=21. Find the area
kow [346]
We can see that revolving the region formed by intersecting 3 lines, we will get 2 cones that are connected their bases.
Volume of the cone V=1/3 *πr²*h

1) small cone has r=5, and h=5
Volume small cone V1= 1/3 *π*5²*5 = 5³/3 *π
2) large cone has r=5, and h=21-6=15, h=15
Volume large cone V2= 1/3 *π*5²*15 = 5³*π
3) whole volume
5³/3 *π + 5³*π=5³π(1/3+1)=((5³*4)/3)π=(500/3)π≈166.7π≈523.6

Area
we see 2 right triangles,
Area of the triangle=1/2*b*h, where b -base, h -height
1) small one, b=5, h=5
A1=(1/2)*5*5=25/2
2)large one, b=5, h=15
A2=(1/2)*5*15=75/2
3) whole area=A1+A2=25/2+75/2=100/2=50

3 0
3 years ago
Read 2 more answers
10% of the songs on Emma's playlist are in Spanish. If she has 6 Spanish songs on her playlist, how many total songs are on it?
Vinvika [58]

If 10% of songs represents 6 songs,

then 100% of songs represents (100 * 6) / 10 = 60 songs

The playlist has a total of 60 songs.

7 0
3 years ago
What is the square number of 13 27 81 21 43 48 23 39 45
Burka [1]

if you add them all its 340 and the square number is 9

4 0
3 years ago
Read 2 more answers
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