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Lelu [443]
2 years ago
5

What is the y-intercept of the graph of the linear function?

Mathematics
1 answer:
ELEN [110]2 years ago
3 0

Answer:

-4,5

Step-by-step explanation:

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What is the answer to this 4×3^2?<br><br>Evaluate the expression. ​
Neporo4naja [7]
The answer to this question is 36
6 0
3 years ago
Read 2 more answers
80 90 10 75 90 95 99 find the mean and medain which measures of center best repersents the data
beks73 [17]

Answer:

77

Step-by-step explanation:

sum of all number/total numbers

80+90+10+75+98+95+99/7

77

4 0
3 years ago
The following are the annual salaries of 15 chief executive officers of major companies. (The salaries are written in thousands
Alisiya [41]

Answer:

The 25th percentile is 248.

The 70th percentile is 700.

Step-by-step explanation:

The pth percentile is a data value such that at least p% of the data-set is less-than or equal to this data value and at least (100-p)% of the data-set are more-than or equal to this data value.

Arrange the data set in ascending order as follows:

S = {75 , 157 , 224 , 248 , 271 , 381 , 472 , 495 , 586 , 676 , 700 , 723 , 743 , 767 , 1250}

The formula to compute the position of the pth percentile is:

p^{th} \text{Percentile}=\frac{(n+1)\cdot p}{100}

Compute the 25th percentile as follows:

25^{th} \text{Percentile}=\frac{(15+1)\cdot 25}{100}=4^{th}obs.

The 4th observation from the arranged data set is 248 .

Thus, the 25th percentile is 248.

Compute the 70th percentile as follows:

70^{th} \text{Percentile}=\frac{(15+1)\cdot 70}{100}\approx 11^{th}obs.

The 11th observation from the arranged data set is 700.

Thus, the 70th percentile is 700.

4 0
2 years ago
30 points.. Please Help! I don't understand what to do with this question...a bit confused.
Romashka-Z-Leto [24]
  Eh, here's my best try for a table:

                       <u>Like tv</u>          <u> don't like tv</u>       <u>total</u>
<u>Like reading:</u>     70                     10                 80
 <u>Don't like read</u>. <u>20</u>                     <u>30</u>               <u>50 </u> 
      <u>total </u>              90                    40               130

The percentage of students that like tv as well as reading is- 70 divided by 130 which gives you .538 which in percentage is 53.8%.

The probability of a student that does not prefer to watch tv as also does not like to spend their time reading is 30 over 40 which can be simplified or reduced to 3 over 4. [30/40 reduced to 3/4]

Hope this somehow helped you :)


5 0
3 years ago
Find the range of y = 3/2 cos 4x - 1
motikmotik

Answer:

B. -2\frac{1}{2} \leq y \leq \frac{1}{2}

Step-by-step explanation:


The given trigonometric function is

f(x)=\frac{3}{2}cos4x-1.


The amplitude of this function is \frac{3}{2}, so under normal circumstances the range is supposed to be

-\frac{3}{2} \leq y \leq \frac{3}{2}

But the -1 is a downward vertical shift.

Therefore the normal boundaries  of the range will shift down one unit to give the range of the transformed function.


We subtract 1 from the lower boundary to get -\frac{3}{2}-1=-2\frac{1}{2}


We also subtract 1 from the upper boundary to get -frac{3}{2}-1=\frac{1}{2}


Hence the range is


-2\frac{1}{2} \leq y \leq \frac{1}{2}

Also see graph

5 0
3 years ago
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