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Mashutka [201]
3 years ago
9

Vince works for 4 hours. He gets paid £24. Vince works for 8 hours. He gets paid £50. Is Vince's pay directly proportional to th

e time he works?
Mathematics
1 answer:
lara [203]3 years ago
8 0

Answer:

No

Step-by-step explanation:

Find the rate and compare.

4 hrs = £24

8 hrs = £50

24 ÷ 4 = £6 per hour

50 ÷ 8 = £6.25 per hour

As you can see, the rate is not the same, so Vince's pay is not proportional at all.

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An analysis of the decay of 10 grams of an unstable element over time was completed and is displayed in the computer output.
Lady bird [3.3K]

The equation of the least-squared regression line is: In(Element) = 2.305 - 0.101(Time).

<h3>What is a regression line?</h3>

A regression line displays the connection between scattered data points in any set. It shows the relation between the dependent y variable and independent x variables when there is a linear pattern.

According to the given problem,

From the table we can see,

ln(Element) is the dependent variable and Time is the independent variable.

The constant = 2.305,

Time = -0.101

Hence, we can conclude, our least squared regression line will be

In (Element) = 2.305 - 0.101 (Time).

Learn more about regression line here: brainly.com/question/7656407

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6 0
2 years ago
From the beginning of the day the temperature rose 15° so that by 4 pm it was 87°. What was the temperature at the start of the
dezoksy [38]
The answer would be 72 degrees because it rose 15 from the begining

3 0
3 years ago
Find x [Angles and Segment]
Alex_Xolod [135]

Answer:

  8.3 cm

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The product of lengths to the near and far point of intersection with the circle is the same in all cases:

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Since we're only interested in x, we can divide by 4 and subtract 4:

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  (49/4) cm = 4 cm +x . . . . . . divide by 4 cm

  8.25 cm = x . . . . . . . . . . . . . subtract 4 cm

To the nearest tenth, x = 8.3 cm.

_____

For a tangent segment, the two points of intersection with the circle are the same point, so the product of lengths is the square of the length.

___

The angles depend on the size of the circle, which is not given.

6 0
3 years ago
On a piece of paper, graph the system of equations. Y=x-2 y=x^2-6x+8
pantera1 [17]

Answer: C

Step-by-step explanation: graph both equations and see where they intersect. Use desmos.com/calculator

4 0
3 years ago
Read 2 more answers
30 points if u answer
Paladinen [302]

Answer:

c

Step-by-step explanation:

you have vertical angles are equal then ED=AB

                                                           and CD=CB

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3 years ago
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