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Zarrin [17]
2 years ago
5

Is this a function? (-2,3) (-3,3) (2,-3) (3,-3)

Mathematics
2 answers:
Fofino [41]2 years ago
7 0

Answer:

yes

Step-by-step explanation:

Feliz [49]2 years ago
4 0

Answer: no, this does not pass the vertical line test so it is not a function. It has the y value repeated twice two times, -3 and 3, if you’re confused don’t be afraid to ask, glad I could help :D

Step-by-step explanation:

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HELLPPP! WILL MARK BRAINLISEST
Rina8888 [55]

Answer:77

Step-by-step explanation:

132 divided by 12(7+5) is 11

11*7=77 so theres 77 boys

4 0
3 years ago
Is 2/3 equal to 2/4 because the numerator are equal
Masja [62]
No. For fractions to be equal, both the numerators and denominators have to be proportional.

Since both denominators are 2, the denominators would have to be just 3 or just 4.
5 0
3 years ago
To estimate a population mean, the sample size needed to provide a margin of error of 3 or less with a 95% confidence when the p
Over [174]

Answer:

The minimum sample needed to provide a margin of error of 3 or less is 52.

Step-by-step explanation:

The confidence interval for population mean (<em>μ</em>) is:

\bar x\pm z_{\alpha /2}\frac{\sigma}{\sqrt{n}}

The margin of error is:

MOE= z_{\alpha /2}\frac{\sigma}{\sqrt{n}}

<u>Given:</u>

MOE = 3

<em>σ </em>= 11

The critical value for 95% confidence interval is: z_{\alpha /2}=1.96

**Use the <em>z</em>-table for critical values.

Compute the sample size (<em>n</em>) as follows:

MOE= z_{\alpha /2}\frac{\sigma}{\sqrt{n}}\\3=1.96\times \frac{11}{\sqrt{n}}\\n=(\frac{1.96\times11}{3} )^{2}\\=51.65\\\approx52

Thus, the minimum sample needed to provide a margin of error of 3 or less is 52.

7 0
2 years ago
Who procrastinates to study✋
IrinaK [193]
Hi There! :)

<span>Who procrastinates to study

ME!!!!</span>
5 0
3 years ago
What is the value of y?​
matrenka [14]

Answer:

63 degrees

Step-by-step explanation:

(180-54)/2=126/2=63

5 0
3 years ago
Read 2 more answers
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