3 years ago

Please help me I really need help

Mathematics

1 answer:

omeli [17]3 years ago

3 0

It's basically asking you how far away is each dot. The graph goes by six. Good luck

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1. The earth makes a full rotation in 24 hours. Jupiter takes approximately 58 days, 15 h, and 30 min to complete a full rotatio

dalvyx [7]

1 day = 24 hours
58 days = 24 x 58
= 1392 hours
30 min = 0.5 hour
1392+15+0.5= 1407.5 hours

6 0

2 years ago

Read 2 more answers

How do I find the standard deviation?

brilliants [131]

Answer:

Step-by-step explanation:

Work out the Mean,

Then for every number, subtract the Mean and square the result.

Then work out the mean of those squared differences

and then take the square root of that.

6 0

2 years ago

Find the value of x. Write it as a decimal.

makkiz [27]

Answer:

68.5

Step-by-step explanation:

Arc ABE = 360 - 2x

Arc AE = 2x

half the difference between the two arcs is 43

43 = $\frac{1}{2}$ [360 -2x - (2x)]

7 0

2 years ago

The area of a rectangle is expressed as (14r + 21) square feet. If the width of the

lilavasa [31]

Answer:

L = 2r + 3

Step-by-step explanation:

Given parameters:

Area of rectangle = 14r + 21

Width of the rectangle = 7ft

Unknown:

Length of the rectangle = ?

Solution:

If the length of the rectangle is designated as L;

Area of a rectangle = Length x width

Now insert the parameters:

14r + 21 = L x 7

L = $\frac{14r + 21}{7}$

L = 2r + 3

8 0

2 years ago

What is the value of y in the equation 5x+2y=20, when x=0.3

Rasek [7]

5x+2y=20

Substitute 0.3 for x

5(0.3)+2y=20

Multiply 5 by 0.3

1.5+2y=20

Subtract 1.5 from both sides

2y=18.5

Divide 2 on both sides

Final Answer: y= 9.25

8 0

3 years ago