3 years ago

ANSWER ASAP NO FILES OR LINKS (LAST ONE) (maybe)

Mathematics

1 answer:

Alex787 [66]3 years ago

4 0

Answer: the anserw shokd be no fles

Step-by-step explanation:

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POINTS!!! PLS COME AND LOOK!!! I NEED YOU GENIUSES!!! I WILL GIVE BRAINLIEST!!!!! AT LEAST COME AND LOOK!!!! WILL FOREVER BE GRE

iris [78.8K]

Answer:

Step-by-step explanation:The absoulte inequalities will have all real solutions asa solution so A, B, AND C all apply.

The relations on the domain of the equation are, C, AND A.

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3 years ago

Suppose taxi fare from Logan Airport to downtown Boston is known to be normally distributed with a standard deviation of $2.50.

Mariulka [41]

Answer:

95% Confidence interval for taxi fare: ($20.5,$24.2)

Step-by-step explanation:

We are given the following data set: for fares:

$22.10, $23.25, $21.35, $24.50, $21.90, $20.75, and $22.65

Formula:

$Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}$

$Mean =\displaystyle\frac{156.5}{7} = 22.35$

95% Confidence interval:

$\bar{x} \pm z_{critical}\frac{\sigma}{\sqrt{n}}$

Putting the values, we get,

$z_{critical}\text{ at}~\alpha_{0.05} = 1.96$

$22.35 \pm 1.96(\frac{2.5}{\sqrt{7}} ) = 22.35 \pm 1.85 = (20.5,24.2)$

6 0

3 years ago

Mr. Charles bought dinner for his family.

ladessa [460]

He pays $53.99 hope that help you

6 0

3 years ago

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(15 points please help)

dsp73

C. You can graph it on Desmos and all the given points work.

5 0

3 years ago

Read 2 more answers

What are the approximate solutions of 2x^2 + x = 14, rounded to the nearest hundredth?

Slav-nsk [51]

Hello,

2x²+x-14=0
Δ=1+4*14*2=113

x=(-1-√113)/4=-2,8839...≈-2.88
or x=(-1+√113)/4=2,40753≈2.41

7 0

3 years ago