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Arada [10]
3 years ago
10

PLEASE HELP!!! URGENT!

Mathematics
1 answer:
ale4655 [162]3 years ago
6 0

Answer:

1st one is "square root of 2x"

2nd one is "2 square root of x"

3rd one is "is not"

Step-by-step explanation:

1st one: you have 2x for g(x) then you plug that into the x for f(x) giving you square root of 2x

2nd one: you have  square root of x for f(x) then you plug that into the x for g(x) giving you 2 square root of x

3rd one: the inverse of the square root of x is x^2

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Which equations represent inverse variation? Check all that apply.
Bogdan [553]
For this case, what you should know is that the equations that represent an inverse variation are those that could not form a straight line, for example.

 We have then:
 Equation 1:
 pv = 13
 Rewriting:
 p = 13 / v
 P and v are represent an inverse variation.
 Equation 2:
 z = (2 / x)
 z and x are represent an inverse variation.
 Answer:
 
equations represented inverse variation are:
 pv = 13
 z = (2 / x)
4 0
3 years ago
Read 2 more answers
For her phone service, Martina pays a monthly fee of $25, and she pays an additional $0.07 per minute of use. The least she has
Mekhanik [1.2K]

Answer: Anything that is 1202 or larger

In other words, m \ge 1202

So we could have m = 1202, or m = 1203, or m = 1204, etc.

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

Explanation:

  • m = number of minutes used
  • 0.07m = amount charged for those minutes used excluding the $25
  • 0.07m+25 = total monthly bill now including the extra $25 fee

The monthly bill is at least $109.14, since this is the lowest amount she has been charged.

\text{monthly bill} \ge 109.14\\\\0.07m+25 \ge 109.14\\\\0.07m \ge 109.14-25\\\\0.07m \ge 84.14\\\\m \ge \frac{84.14}{0.07}\\\\m \ge 1202\\\\

This says that the least number of minutes Martina has used is 1202 minutes.

So if m was a whole number, then m could be selected from the set {1202, 1203, 1204, ...}

Side note: 1202 minutes = 1202/60 = 20.033 hours approximately.

8 0
3 years ago
Which of the following is a solution to the linear function y = 4/5x+7
lilavasa [31]
I think it’s X= -35/4
7 0
3 years ago
you start with a given set of rules and conditions and determine something to be true. What type of reasoning did you use?
sergij07 [2.7K]

Answer:

Deductive Reasoning.

Step-by-step explanation:

Basically it’s logical thinking in simply terms.

5 0
3 years ago
Can you guys help me with this?
Blababa [14]

Answer:

We have been given many sequences below:

The sequence is said to be geometric if there is same ratio between consecutive terms

\frac{a_n}{a_{n-1}}

So we will check all the sequences one by one:

(1) \frac{-9}{-2.7}=\frac{10}{3}

\frac{-30}{-9}=\frac{10}{3}

\frac{-100}{-30}=\frac{10}{3}.

Hence, geometric

(2) \frac{2.5}{-1}=-2.5

\frac{-6.25}{2.5}=-2.5

\frac{15.625}{-6.25}=-2.5

Hence, geometric.

(3) \frac{9.2}{9.1}=0.010

\frac{9.3}{9.2}=0.010

\frac{9.4}{9.3}=0.010

Hence, geometric.

(4) \frac{0.8}{8}=0.1

\frac{0.08}{0.8}=0.1

\frac{0.008}{0.08}=0.1

Hence, geometric.

(5) \frac{-4}{4}=-1

\frac{-12}{-4}=3

Ratio is not same hence, not geometric.


6 0
3 years ago
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