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PSYCHO15rus [73]
3 years ago
12

Elapsed time is 3 hours & 56 minutes. End time is 1:40 p.m. What is the start time?

Mathematics
2 answers:
AVprozaik [17]3 years ago
8 0
3 hours and 56 minutes before 1:40 pm is 9:44 am
levacccp [35]3 years ago
4 0
1:40 - 1 hour is 12:40. (2 hours and 56 min left)
12:40 - 40 min is 12:00 (2 hours and 16 min left)
12:00 - 2 hours is 10:00 (16 min left)
10:00 - 10 min is 9:50 (6 min left)
9:50 - 6 min is 9:44.

The start time is 9:44 A.M
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File a Form 1040-X to amend a tax return.
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What is the solution of the system? y=9x-2 y=7x+3
Sonja [21]
<span>What is the solution of the system? y=9x-2 y=7x+3 

b.(5/2,41/2) 

The table below shows the height (in inches) and weight (in pounds)of eight basketball players.
Height=67, 69, 70, 72, 74, 78, 79 Weight=183, 201, 206, 240, 253, 255 what is the correlation of the set of data? Round your answer to the nearest thousandth.

d.0.981

3.The table below shows the average height of a species of tree (in feet) after a certain number of years.
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c.44.25ft 


4.You use a line of best fit for a set of data to make a prediction about an unknown value. The correlation coefficient for your data set is 0.984. How confident can you be that your predicted value will be reasonably close to the actual value?

c.I can be very confident; it will be close, but it probably won't be exact.

</span>
5 0
3 years ago
I’ve tried to work this out but I can’t get it figured out. Can someone help me
Bas_tet [7]
G(2) = -4(2) = -8
f(g(2)) = (-8)^2 = 64

answer 
64
5 0
3 years ago
Did I do this right?
exis [7]
No. For instance, let’s look at 1)
It’s asking you to find what x is when x/10 = 6

So, consider the equation x/10=6
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7 0
3 years ago
What quadratic function does the graph represent?
nekit [7.7K]

Answer:

f(x)=-\frac{1}{3}(x-2)^2+4,

Step-by-step explanation:

The function of the graph can be written in the vertex form as

f(x)=a(x-h)^2+k, where V(h,k)=V(2,4) is the vertex of the quadratic function.

We substitute the value to obtain;

f(x)=a(x-2)^2+4,

The point (5,1) lies on the graph so we use it to determine the value of a.

1=a(5-2)^2+4,

1-4=a(3)^2,

-3=9a,

a=-\frac{1}{3}

The required equation is

f(x)=-\frac{1}{3}(x-2)^2+4,

5 0
3 years ago
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