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notka56 [123]
3 years ago
13

Please help me!! which table represents a function?

Mathematics
1 answer:
ziro4ka [17]3 years ago
6 0
Answer is 4th one!!
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Simplify 9/4 using fractions. ​
seropon [69]

First to Answer:

The answer is 2 1/4

Have a great day!

Work:

9 divided by 4 is 2.25.

0.25 is equivalent to 1/4 and 2.00 is equivalent to 2.

put those together and you get 2 1/4.

8 0
2 years ago
The dataset Restaurant Tips contains data recorded from 157 restaurant bills at a bistro in New York over a two week period and
xz_007 [3.2K]

Answer: ($3.532, $4.166)

Step-by-step explanation:

Given : Significance level : \alpha: 1-0.90=0.10

Critical value : z_{\alpha/2}=1.645

Sample size : n= 157

Sample mean : \overline{x}=\$\ 3.849

Standard deviation : \sigma= \$\ 2.421

The confidence interval for population mean is given by :_

\overline{x}\pm z_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}

\text{i.e. }\$\ 3.849\pm (1.64)\dfrac{2.421}{\sqrt{157}}\\\\\approx\$\ 3.849\pm0.317\\\\=(\$\ 3.849-0.317,\$\ 3.849+0.317)=(\$\ 3.532,\$\ 4.166)

Hence, the 0% confidence interval for the average tip given at this restaurant = ($3.532, $4.166)

5 0
2 years ago
Ryan found that the amount of plant food remaining decreased an equal amount each day, and he used the entire 72 milliliters by
BaLLatris [955]

Answer:

A function rule for the relationship between the amount of plant food remaining, f(x), and the number of days that have passed, x is f(x)=72-12x

Step-by-step explanation:

We are given that Ryan used 72 mL of food over the course of a 6 day study.

So, He used amount per day = \frac{72}{6}

He used amount per day =12 ml/day

Now we are given that t the amount of plant food remaining decreased an equal amount each day, and he used the entire 72 milliliters by the end of his study.

So, The equation becomes : f(x)=72-12x

f(x):The amount of plant food remaining

x : The number of days that have passed

Hence  a function rule for the relationship between the amount of plant food remaining, f(x), and the number of days that have passed, x is f(x)=72-12x

4 0
2 years ago
Kalib rented a car for 5 days while on vacation in Miami. His total bill was $279. How much
victus00 [196]

Answer:

he would pay 55.8 dollars each day for 5 days

Step-by-step explanation:

3 0
3 years ago
Sigma notation 2+ (-8)+32+(-128)+...
fomenos
Here u go hope this helps

8 0
3 years ago
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