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HACTEHA [7]
3 years ago
11

Which expression is equivalent to (18x + 9k) + (2x + 6k)?

Mathematics
2 answers:
Alika [10]3 years ago
7 0

Answer:

20x + 15K

Step-by-step explanation:

just add like variables (x and Y)

Verizon [17]3 years ago
4 0

20x + 15k is the answer we just have to remove the bracket and add the terms

hope it helps

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Need answers to the ones that i haven’t written anything for
Trava [24]

Answer:

domain - (-infinity,infinity)

range - (-infinity, 2]

axis of sym - x=-1

y int - (0,-1)

at what value (row 1) - (-1,2)

Step-by-step explanation:

domain is side to side, it never ends bc of the arrows

range is top to bottom, there is no bottom bc of the arrow, but it has a top at 2 (the value on the y axis)

the axis of sym is basically the line that runs through the vertex, it's where you could fold it in half and it would still match up

8 0
3 years ago
What is the difference?
katovenus [111]

all of them is not a quadratic equations

5 0
3 years ago
Read 2 more answers
What’s the answerrrrr?
steposvetlana [31]

The answer is 95.

First: find the area if the whole rectangle. To do so you would multiply lxw (10x12)

Second: you would find the area of the square. Squares have perfect sides so you would multiply 5x5.

Last: take the sums of both equations. So the it would be 120-25=95.

7 0
3 years ago
Match the function with its value<br> f(x)= x2-3x+3<br> g(x)= 2x2-1 <br><br> f(z^2)= .....
Elis [28]
There's nothing here to 'match' it with.

f(x) = x^2 - 3x + 3

f(z^2) = (z^2)^2 - 3z^2 + 3

f(z^2) = z^4 - 3z^2 + 3

<em><u>g(x)</u></em> is only there to confuse you.
Apparently it was successful.
3 0
3 years ago
A rectangular block of metal measures 5 cm by 10 cm by 2 cm and has a mass of 700g. What is the volume of this block?
grin007 [14]
Volume = 5*10*2 = 100 cm³
Densidade = massa / volume
Densidade = 700g / 100 cm³
Densidade = 7g/cm³
8 0
4 years ago
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