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3 years ago

Given that

Mathematics

2 answers:

GarryVolchara [31]3 years ago

6 0

f(x) = x^2

1st transpose: f(x) = x^2 +7

2nd dilate: f(x) = 9(x^2+7)

3rd reflect: f(x) = 9x^2 + 63

zheka24 [161]3 years ago

4 0

f(x) = x^2

shift f(x) up 7 units means adding 7 to f(x)

so now f(x) = x^2 +7

vertically stretch the function by a factor of 9 means multiplying f(x) by 9

so now f(x) = 9(x^2+7)

f(x) = 9x^2 + 63

reflect across the y-axis means x becomes -x in f(x)

so now f(x) = 9(-x)^2 + 63

f(x) = 9x^2 + 63

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A classroom had 16 computers. If the ratio of computers to ipads was 4 : 5, how many ipads does the classroom have?

Rus_ich [418]

Answer:

20 ipads

Step-by-step explanation:

16 divided by 4 (the ratio of computers)=4

(ipads) 5 multiplied by 4=20

16:20 = 4:5

So the classroom has 20 ipads

(sorry if its incorrect, hope this helps)

8 0

3 years ago

What is the five number summary for this data set?

MrRa [10]

Answer:

see explanation

Step-by-step explanation:

The median is the middle value of the data set in ascending order. If there is no exact middle then the median is the average of the values either side of the middle.

Given

3 8 14 19 22 29 33 37 43 49

↑ middle is between 22 and 29

median = $\frac{22+29}{2}$ = $\frac{51}{2}$ = 25.5

The upper quartile $Q_{3}$ is the middle value of the data to the right of the median.

29 33 37 43 49

↑

$Q_{3}$ = 37

The lower quartile $Q_{1}$ is the middle value of the data to the left of the median.

3 8 14 19 22

↑

$Q_{1}$ = 14

The min is the smallest value in the data set, that is 3

The max is the largest value in the data set, that is 49

The 5 number summary is

3, 14, 25.5, 37, 49

8 0

2 years ago

SOMEONE PLEASE HELPPPP

Rina8888 [55]

Answer:

hi,

So the answer is 420

Step-by-step explanation:

You solve surface area by multiplying the length and width
What I did first was do 14×6 which is 84
Then I did 84 ×5 which is 420

I hope this help. Have a wonderful day,

Paige O'Neal

8 0

2 years ago

Renee hiked for 8 and 3/4 miles. After resting, Renee hiked back along the same route for 7 and 1/4 miles. How many more miles d

mart [117]

The answer is 3/2. you do this by subtracting 7 1/4 from the 8 3/4 and simplifying the 6/4!

6 0

2 years ago

Corinne has a job selling magazines. She earns $7.50 per hour plus 20% of the total amount of her sales. She also gets an allowa

ra1l [238]

Earnings=20% of sales+7.5h+40

coeficinets are 7.5 and 0.2
vraiables are h and s
constant is 40

B. if h=25 and s=30 input,
7.5*25+0.2*300+40=$287.50

C
new equation is 9h+0.2s+40
coefienct woud be 9 and 0.2
variable is h and s
constant is 4

7 0

3 years ago