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3 years ago

15

Do you think this Scatter plot is linear or no? I really can't tell.

1 answer:

MrRa [10]3 years ago

4 0

Answer:

I would say no because the dots are all over the place.

Step-by-step explanation:

It keeps going up then down back up and down again?

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HHHHHEEEEELLLLLPPPPPP

sp2606 [1]

The length of an arc is given by θ/360×2πr, where θ is angle subtended by the arc to the center and r is the radius of the circle.
The length is 12 units, and θ/360 is 1/3
Therefore, 12 = 1/3 × 3.142 ×r
r = 12× 3/3.142
r = 11.457 units
≈ 11 units

5 0

3 years ago

For the first 30 km, the bicyclist rode with a speed of v km/hour. For the remaining 17 km he rode with a speed which was 2 km/h

damaskus [11]

Answer:

t= 2.52 hours

Step-by-step explanation:

It is given that for first 30 km, the speed of bicyclist is v km/hour

time taken to cover first 30 km is given by

$t_{1} =\frac{30}{v}$ ( $time=\frac{distance}{speed}$ )

for next 17 km the speed of bicyclist is 2 km/hour greater than his original speed

so the speed to cover next 17 km = v+2

time taken to cover next 17 km is given by

$t_{2} =\frac{17}{v+2}$

now total time t spent by the bicyclist to cover entire trip is given by

$t=t_{1} +t_{2}$

$t=\frac{30}{v} +\frac{17}{v+2}$

now if v=18 , we have

$t=\frac{30}{18} +\frac{17}{20}$

now to add fractions we make the denominator same

Hence we will find the LCM of 18 and 20

LCM of 18 and 20 = 180

now we need to make both the denominator equal to 180

$t=\frac{30(10)}{18(10)} +\frac{17(9)}{20(9)}$ $t=\frac{300}{180} +\frac{153}{180} =\frac{300+153}{180}$

$t=\frac{453}{180} =2.52$ hours (approx)

7 0

3 years ago

7800 dollars is placed in an account with an annual interest rate of 6.5%. How much will be in the account after 29 years, to th

dimaraw [331]

Answer:

Year 29 $2,956.63 Total Interest $40,643.25 Balance $48,443.25

Step-by-step explanation:

Base amount: $7,800.00

Interest Rate: 6.5% (yearly)

Effective Annual Rate: 6.5%

Calculation period: 29 years

4 0

3 years ago

What is the solution of...

Darya [45]

Answer:

x = -72

Step-by-step explanation:

...................

5 0

2 years ago

Read 2 more answers

Large takes a square piece of cardboard and cut for it by 4 inch squares out of each corner because the sides up to make a box w

chubhunter [2.5K]

If the squares are 4 inches then the height of the sides will be 4 inches, so you multiply the area of the base times 4!

6 0

3 years ago