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schepotkina [342]
3 years ago
9

I need help as soon as possible someone please help

Mathematics
2 answers:
S_A_V [24]3 years ago
7 0

Answer:

The answer is B

Zigmanuir [339]3 years ago
6 0

Answer:

 b

Step-by-step explanation:

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C= 6x+100 and c=10x+80 <br> what number does x have to be for c to be the same on each equation?
slega [8]

Answer:

x= 5 , for c to be same on each eqn

7 0
2 years ago
The amount of time that a customer spends waiting at an airport check-in counter is a random variable with mean 8.0 minutes and
strojnjashka [21]

Answer:

P ( 5 < X < 10 ) = 1

Step-by-step explanation:

Given:-

- Sample size n = 49

- The sample mean u = 8.0 mins

- The sample standard deviation s = 1.3 mins

Find:-

Find the probability that the average time waiting in line for these customers is between 5 and 10 minutes.

Solution:-

- We will assume that the random variable follows a normal distribution with, then its given that the sample also exhibits normality. The population distribution can be expressed as:

                                   X ~ N ( u , s /√n )

Where

                            s /√n = 1.3 / √49 = 0.2143

- The required probability is P ( 5 < X < 10 ) minutes. The standardized values are:

                        P ( 5 < X < 10 ) = P (    (5 - 8) / 0.2143 <  Z  <  (10-8) / 0.2143   )

                                                 = P ( -14.93 < Z < 8.4 )

- Using standard Z-table we have:

                        P ( 5 < X < 10 ) = P ( -14.93 < Z < 8.4 ) = 1        

7 0
3 years ago
Let f(x) be an exponential functionWhich transformations to the graph of f(x) would describe e - f(x - 3) ?
gayaneshka [121]

Look at the graph below carefully

Observe the results of shifting ={2}^{x}f(x)=2​x

​​  vertically:

The domain, (−∞,∞) remains unchanged.

When the function is shifted up 3 units to ={2}^{x}+3g(x)=2​x +3:

The y-intercept shifts up 3 units to (0,4).

The asymptote shifts up 3 units to y=3y=3.

The range becomes (3,∞).

When the function is shifted down 3 units to ={2}^{x}-3h(x)=2 ​x​​ −3:

The y-intercept shifts down 3 units to (0,−2).

The asymptote also shifts down 3 units to y=-3y=−3.

The range becomes (−3,∞).

3 0
3 years ago
Read 2 more answers
Melissa collects data on her college graduating class. She finds out that of her classmates, 60% are brunettes, 20% have blue ey
Ivahew [28]

Answer:

17

Step-by-step explanation:

3 0
3 years ago
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On a coordinate plane, 2 cube root functions are shown. Function f (x) goes through (negative 3, negative 1.5), has an inflectio
Strike441 [17]

Using translation concepts, it is found that the equation that represents the graph of g(x) is:

g(x) = \sqrt[3]{x + 2}.

<h3>What is a translation?</h3>

A translation is represented by a change in the function graph, according to operations such as multiplication or sum/subtraction in it's definition.

In this problem, we have that g(x) is a shift left of 2 units of f(x), hence:

  • f(x) = \sqrt[3]{x}
  • g(x) = f(x + 2) = \sqrt[3]{x + 2}

More can be learned about translation concepts at brainly.com/question/4521517

#SPJ1

5 0
2 years ago
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