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serg [7]
3 years ago
15

Simplify 2x squared plus 3x plus x squared plus 4x minus 3x squared plus 2

Mathematics
1 answer:
LekaFEV [45]3 years ago
4 0
The answwr should be 7x+2 because the x squared get cancel when combining like terms
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Could I please have some workings out with the answer
rusak2 [61]
Assuming that the units of speed are also in minutes, for instance km/min or m/minute. Then you would not need to convert time into another unit. As for multiplying the bases of 10, remember that 10 = 10^1. So it would be 10^8+1 = 10^9. So the result would be 24 • 10^9 but in proper scientific notation it would be 2.4 • 10^10.

Yet, I believe you are working with the speed of light and thus you would need to convert 8 minutes into seconds which would be 8 • 60 = 480 seconds. Then do the following operation:

480 = 4.80 X 10^2

(4.80 X 10^2 seconds)(3.00 X 10^8 metres/second)

Simply multiply the whole numbers, and the bases of 10, and put in proper scientific notation.
4 0
3 years ago
Please Help Quickly!!!<br><br> Find the limit if f(x) = x^3
jeka94

Answer:

Option b. 12

Step-by-step explanation:

This exercise asks us to find the derivative of a function using the definition of a derivative.

Our function is f(x) = x^{3}. Therefore:

f(2+h) = (2+h)^{3}

f(2) = (2)^{3} = 8

Then:

\lim_{h \to \0} \frac{f(2+h)-f(2)}{h}=\lim_{h \to \0} \frac{(2+h)^{3}-8}{h}

Expanding:

\lim_{h \to \0} \frac{(2+h)^{3}-8}{h} =\lim_{h \to \0} \frac{8+ h^{3} +6h(2+h) -8}{h} =\lim_{h \to \0} \frac{h^{3} +6h(2+h)}{h}

\lim_{h \to \0} \frac{h^{3}+ 6h(2+h)}{h} =\lim_{h \to \0} h^{2} + 6(2+h)

Now, if x=0:

\lim_{h \to \0} \frac{f(2+h)-f(2)}{h} = (0)^{2} +6(2+0) = 12

4 0
3 years ago
Match with the sum of the monomial and binomial. Tiles 2x2y + (x2y − 2xy2) (5xy2 − x2y) + 3x2y 4x2y + (x2y + xy2) x2y + (-2xy2 −
SVETLANKA909090 [29]
<h2>Answer:</h2>

We will simply solve them and get correct answers that will match the answers provided.

1.  2x^{2}y+(x^{2}y-2xy^{2} )

= 3x^{2} y-2xy^{2}

2. (5xy^{2}-x^{2} y)+3x^{2} y

= 5xy^{2} +2x^{2} y

3. 4x^{2} y+(x^{2} y+xy^{2} )

= 5x^{2} y+xy^{2}

4. x^{2} y+(-2xy^{2}-4x^{2} y)

= -3x^{2} y-2xy^{2}

3 0
4 years ago
Read 2 more answers
Which of the following expressions represents "the difference of 8 and n"?
kiruha [24]

Answer:

n-8

Step-by-step explanation:

difference means subtraction so it can't be 8n which is multiplication or 8-0 because n is not represented.

8 0
3 years ago
Help T_T ill give brainlist
Naddik [55]

Answer:

See below.

Step-by-step explanation:

The domain and range are correct.

The relation is a function because no x value is used more than once.

7 0
3 years ago
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