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Juli2301 [7.4K]
3 years ago
9

How do you do this question??????

Mathematics
1 answer:
Temka [501]3 years ago
5 0
 c is correct.
(Pe)²/(De)³=(Pj)²/(Dj)³ (Pe stands for period of Earth, De for Distance of Earth from Sun, 
Because Dj=5.2De
(Pe)²/(De)³=(Pj)²/(5.2De)³
Pj=√(5.2³)(Pe)²=(5.2³)(1)² ≈11.9 =(note: Pe=1 earth year)
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Which two quadrants have negative x-values?
mart [117]

Answer:

II and III  ( 2 and 3)

Step-by-step explanation:

The quadrants are numbered counter clockwise, with the top right being number I

II                I

III                IV

The ones having negative x values are II and III  ( 2 and 3)

3 0
2 years ago
T takes 46 minutes for 10 people to paint 3 walls.
Tasya [4]

Answer:

69 mins

Step-by-step explanation:

46/10=4.6 mins per wall

46/4=11.5 mins per wall

11.5 x 6=69

6 0
3 years ago
3. Crystal has decided to drive her new car on the west coast from California to Washington, which is about 930
antoniya [11.8K]

Answer:

The correct option is the first graph (Yes)

Step-by-step explanation:

The given function is W(d) = 930/d

Where;

W(d) = The number of days it would take to get to Washington

d = The distance travelled each day in miles

We note that the given graphs have number of days in the y-axis and the miles in the x-axis, and that in the function, the distance Crystal travels each day is constant, <em>d</em>, while the 930 is the total distance from California to Washington, while W(d) is the time

Therefore, the variables for crystal are W(d) and the part of 930 miles completed, while the constant is the speed, d = miles/day, which gives;

W(d) = 930/d

W(d) ∝ Part of 930 miles completed × Constant

∴ W(d) which is the time is directly proportional to the distance

The graph which represents the number of days, W(d) it will take Crystal to get to Washington (miles completed) as a function of distance traveled per day, <em>d</em>, which is constant is a straight line graph which is the first graph

7 0
3 years ago
Maria makes money by commission rates. She gets 15% of everything she sells. If Maria sold $23000 worth of items this month, wha
Verizon [17]
To find 15% of 23000,
23000 x (15/100) = 23000 x 0.15 = 3450
So her salary for the month would be $3450.
5 0
3 years ago
Read 2 more answers
Pls help it’s not 2 and not 10
eduard

Answer:

11.18

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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