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3 years ago

What is the domain of f(x)= 3x/x-1

Mathematics

2 answers:

Tanzania [10]3 years ago

5 0

The answer is all real numbers

domain is easy like that

AURORKA [14]3 years ago

4 0

Answer:

The answer is C on edge (all real numbers except 1)

Step-by-step explanation:

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There are 7 more quarters than nickels. If there is a total of $ 2.65 in coins, how many quarters are there?

Solnce55 [7]

o=nickel

O=quarter

O O O O O O O O O O + o o o =2.65

(2.50+.15=2.65)

there are 10 quarters total, and 3 nickels

5 0

3 years ago

this year,15 of the 40 computers in the math lab are not new. which representation is equivalent to the fraction of computers th

just olya [345]

Answer:

5/8

Step-by-step explanation:

Subtract the total computers from the old computers.

40-15=25

Then put the number of new computers over the total computers

25/40

Then, simplify

5/8

3 0

3 years ago

PLEASE ANSWER ASAP!!! Using the given equation find the missing coordinates of the points and then find the slope of the line fo

Andrei [34K]

Answer:

Step-by-step explanation:A.

Slope =

Step-by-step explanation:

We are given the equation of the line as .

A. The co-ordinate is given by

Substituting the value , we get,

implies implies i.e. 3x = -1 i.e.

Thus, the co-ordinate is .

B. The co-ordinate is given by

Substituting the value , we get,

implies implies i.e. 9y = 0 i.e. y= 0

Thus, the co-ordinate is .

Since, the slope of a line is given by .

We get,

Slope = .

i.e. Slope = .

Hence, the slope of the line is .

5 0

2 years ago

Refer to the previous exercise. The researchers wanted a sufficiently large sample to be able to estimate the probability of pre

Maru [420]

Answer:

The large sample n = 117.07

Step-by-step explanation:

Step(i):-

Given that the estimate error (M.E) = 0.08

The proportion (p) = 0.75

q =1-p = 1- 0.75 =0.25

Level of significance = 0.05

Z₀.₀₅ = 1.96≅ 2

Step(ii):-

The Marginal error is determined by

M.E = $\frac{Z_{0.05} \sqrt{p(1-p)} }{\sqrt{n} }$

$0.08 = \frac{2 X \sqrt{0.75(1-0.75)} }{\sqrt{n} }$

Cross multiplication , we get

$\sqrt{n} = \frac{2 X \sqrt{0.75(1-0.75)} }{0.08 }$

√n = $\frac{2 X0.4330}{0.08} = 10.825$

squaring on both sides , we get

n = 117.07

Final answer:-

The large sample n = 117.07

6 0

2 years ago

Casey picks a bead at random from a box containing 4 red, 36 green, and 10 white beads. What is the probability that she picks 1

xxMikexx [17]

3 red 35 green 95 white

7 0

2 years ago