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ludmilkaskok [199]
3 years ago
8

Find domain of (x^2+3)+

t{x} 3x-1" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
Romashka [77]3 years ago
7 0

Answer:

= x^2 + 3 + √3x^2 - 1

Step-by-step explanation:

Remove parentheses: (a) = a

= x^2 + 3 + √x . 3x - 1

x . 3x = 3x^2

= x^2 + 3 + √3x^2 - 1

You might be interested in
Ken normally leaves work at 5:00 pm, but he is leaving 20 minutes late today. He decides to make up time by taking the toll road
kobusy [5.1K]

Answer:

The correct answer is: y=\frac{1}{3} x + 20

Step-by-step explanation:

As stated in the question that x represents the number of minutes his <em>normal</em> commute takes. Here the keyword is normal; in the <em>normal</em> commute, Ken takes side streets instead of the toll road.

However, in this scenario, we have to come up with the equation that takes Ken's commute via <em>toll road</em>.

Ken can travel 3 times faster by taking the toll road (Given), which can be represented in the mathematical terms in terms of x as follows:

x_{toll\_road}=\frac{1}{3}x

<em>Without considering Ken getting late, </em>the equation would become the following:

y=\frac{1}{3} x --- (A)

<em>As Ken is leaving late</em>, we have to incorporate that time as well by <em>adding</em> it in the aforementioned equation (A).

In this case, it's 20 minutes; therefore, the equation (A) will become:

y=\frac{1}{3} x+20

Hence, the correct answer is y=\frac{1}{3} x + 20.

4 0
4 years ago
Which is the sum of 3.15 × 107 + 9.3 × 106? Write your answer in scientific notation.
Elza [17]

Answer:1322.85

.132285 x 10^4

Step-by-step explanation:

8 0
3 years ago
Help please !!!!!!!!!!!!!!!
arlik [135]

X=490..not sure.. sorry its wrong

7 0
3 years ago
Help please fill out empty spots
podryga [215]

Answer:

See the attached image below for the filled out chart.

  • First box = 0.1
  • Second box = 0.1
  • Third box = 4
  • Fourth box = -3
  • Fifth box = 3
  • Sixth box = -1

===================================================

Explanation:

Part 1

Pick any term and subtract off its previous term

So for instance 4.2 - 4.1 = 0.1

Or you could say 4.3-4.2 = 0.1

Whichever pair you pick, you should find that the common difference is 0.1

This means we add 0.1 to each term to get the next term. Therefore, the recursive rule is a_n = a_{n-1} + 0.1 which says "add 0.1 to the (n-1)th term to get the nth term". The (n-1)th term is the term just before the nth term.

The first term is a_1 = 4 as shown in the given sequence 4, 4.1, 4.2, ...

------------------------------

Part 2

We'll follow the same idea as part 1.

Subtract any two adjacent terms

-10-(-7) = -10+7 = -3

We add -3 to each term to get the next. This is the same as subtracting 3 from each term, which is reflected in a_n = a_{n-1}-3

The first term is a_1 = -1

Everything is summarized in the diagram below.

4 0
3 years ago
Twice a number decreased by 8 is 2 less than half the number
Rudik [331]

Answer:

2x-8=1/2-2

Step-by-step explanation:

4 0
4 years ago
Read 2 more answers
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