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evablogger [386]
1 year ago
11

I need help someone did this question but every time I go to look at it again it kicks me off..

Mathematics
1 answer:
aleksandr82 [10.1K]1 year ago
8 0

We will have the following:

A. The function is compressed in the y-axis by a factor of 0.5 and then it is inverted in its direction; since it is a line the line is then decreasing instead of increasing.

B. The function is increased by a factor of 2 in the y-axis and then it is moved 3 units up:

C. The function is increased by a factor of 5/3 (Approximately 1.67) in the y-axis and then it is made so it is no longer increasing, but decreasing:

D. The function is increased in the y-axis by a factor of 9 and then it is moved 9 units down:

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a teacher had 21 red pens. if the ratio of red pens to blue pens owned was 3:1 how many pens did she have in total
Mariulka [41]
If the ratio of red to blue pens is 3:1, we can find the amount of blue pens by multiplying by 1/3, to get 21*1/3=7.  There are 21 red pens and 7 blue pens, so there are 21+7=28 pens total.
6 0
3 years ago
I just need to know how to rotate 90
kati45 [8]
Rotating 90degrees is like turning something 1 quarter of a turn
8 0
3 years ago
Read 2 more answers
According to a study, an average of six cell phone thefts is reported in San Francisco per day. Assume that the number of report
lions [1.4K]

Answer:0.29

Step-by-step explanation:

An average of six cell phone thefts is reported in San Francisco per day. This means our mean value, u = 6

For poisson distribution,

P(x=r) = (e^-u×u^r)/r!

probability that four cell phones will be reported stolen tomorrow=

P(x=4)= (e^-6×6^4)/4!

= (0.00248×1296)/4×3×2×1

= 3.21408/24=

0.13392

P(x=5)= (e^-6×6^5)/5!

= (0.00248×7776)/5×4×3×2×1

= 19.28448/120

= 0.1607

probability that four or five cell phones will be reported stolen tomorrow

= P(x=4) + P(x=5)

= 0.13392 + 0.1607

= 0.294624

Approximately 0.29

8 0
3 years ago
100 = 10 x + 6
ohaa [14]

Answer:

D

Step-by-step explanation:

6x + 10 = 100

6 times 15 = 90

Add 90 + 10 = 100

8 0
3 years ago
Create a Sample Space diagram and work out the probability - There is a 4 sided dice (numbers 1 to 4) and an 8 sided dice (numbe
tester [92]

Answer:

7 / 16

Step-by-step explanation:

Sample space is attached below :

Theoretical Probability of any event A

P(A) = (number of required outcome / Total number of possible outcomes)

Required outcome = sum greater than 7 = 14

Total number of possible outcomes = 32

P(sum greater than 7) = 14 / 32

P(sum greater than 7) = 7 / 16

3 0
3 years ago
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