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galina1969 [7]
2 years ago
5

This is a practice test but I don’t understand stand this one pls help fast

Mathematics
1 answer:
Kisachek [45]2 years ago
3 0

Step-by-step explanation:

To transform a function vertically, add 3 to the constant.

5 + 3 = 8

So the function is

3 {x}^{2}  + 8

Graph the function in desmos to show the translation vertically if you want proof

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The area of a circle is 201 cm². What is the diameter
natima [27]

Answer:

The diameter would be 16

Step-by-step explanation:

The area of a circle is a=r^{2}×π. Now just plug in the values you have which is you area. 201=r^{2}×π now divide by pi on both sides you that you get about 64=r^{2}. Now find the square root on both sides which will then give you 8 as your radius. To find diameter from radius you have to multiply by 2. 8*2=16

8 0
3 years ago
I. Daska is situated at a distance of 15 miles from both Gujranwala and Sialkot. A bus travels from Gujranwala to Daska at an av
son4ous [18]

Answer:

The average speed of the entire trip is 8.5 miles per hour.

Step-by-step explanation:

Speed = Total  Distance / Total Time

So we have to find the total distance and the total time taken .

1) From Gujranwala to Daska

speed= 25miles/hour           distance = 15miles

Time taken = distance / speed

                   = 15/25= 0.6 hours

2)  From Daska to Sialkot

speed= 40miles/hour           distance = 15miles

Time taken = distance / speed

                   = 40/15= 2.67 hours

3 ) From  Sialkot to Daska

speed= 30miles/hour           distance = 15miles

Time taken = distance / speed

                   = 30/15= 2 hours

The total distance traveled to three places is = 15+ 15+15= 45miles

The Total time taken is = 0.6+ 2.67+ 2= 5.267=5.3 hours

Speed = Total  Distance / Total Time

Speed= 45/ 5.3

          = 8.49=8.5 miles per hour

The average speed of the entire trip is 8.5 miles per hour.

7 0
2 years ago
You have a bill of $100. find a 18% tip?​
JulijaS [17]

Answer:

$18

Step-by-step explanation:

18% of 100 is 18

3 0
3 years ago
Read 2 more answers
Find the solution of the system 2x-y=0 and 4x-2=2
yanalaym [24]

Answer:

(1, 2)

Step-by-step explanation:

2x-y=0

4x-2=2

-----------

y=2x-0

y=2x

-------------

4x=2+2=4

4x=4

x=4/4=1

---------------

y=2(1)=2

x=1, y=2.

8 0
3 years ago
Ax+by=c What is the equivalent equation
kenny6666 [7]
Ax plus BY equals C.
7 0
3 years ago
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