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Verizon [17]
3 years ago
7

Log(x+4)=8 Please help I don’t understand it I will give brainliest

Mathematics
1 answer:
irakobra [83]3 years ago
4 0
The answer should be 2
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The table below shows the surface area y, in square feet, of a shrinking lake in x days:
Sindrei [870]
The scatter graph of the data is shown in the first picture below

The 'line of best fit' shows a negative gradient

Part A: The most likely coefficient is -0.98. 
If the coefficient is -1, then each point would be exactly on the straight line (which they are not as shown on the graph). The graph however still shows a strong negative coefficient. It can be seen from the close distance of each point from the line of best fit. So -0.5 and -0.02 is unlikely as they show weak negative correlation

Part B: Refer to the second picture to see the horizontal and vertical distance between day 15 and day 20

The horizontal distance is 5 units
The vertical distance is read between 61 and 71.5, hence it's 10.5
The slope = Vertical distance ÷ Horizontal Distance = 10.5÷5 = 2.1
The 'downhill' slope shows a negative gradient, hence the value of the slope is -2.1
The value of the slope shows that the surface area of the lake shrinks by 2.1 for every one day

Part C: The data in the table represents the relation between two variables. Since one variable doesn't cause the change in the other variable, the data table represents correlation rather than a causation. 

3 0
4 years ago
I need help on please don't send me a file I don't work on my computer
ryzh [129]
X247893ai388349. Haha

8 0
3 years ago
Zeda described four triangles as shown below: Triangle P: Two angles measure 50°. Triangle Q: All sides have length 13 cm. Trian
Maurinko [17]
I think it is P. Because the rest are isosceles.
5 0
3 years ago
Read 2 more answers
What is 3 ÷ 2/5<br><br> The quotient is 7 and _____
xeze [42]

Answer:

0.3

Step-by-step explanation:

You need to keep change flip to turn them both to a fraction get the answer then convert it back to a decimal

8 0
4 years ago
Read 2 more answers
Avril invested $60,000 in a partnership with lane Jules Ray Ravi and petra. The total investment of all partners was 320,000 wha
laiz [17]

We have been given that Avril invested $60,000 in a partnership with lane, Jules, Ray, Ravi and petra. The total investment of all partners was 320,000.

To find percentage of the business Avril owns we will find 60,000 is what percent of 320,000.

\text{Percentage of business that Avril owns }=\frac{60,000}{320,000}\cdot100    

\text{Percentage of business that Avril owns }=\frac{6}{32}\cdot100

\text{Percentage of business that Avril owns }=0.1875\cdot100

\text{Percentage of business that Avril owns }=18.75

Therefore, Avril owns 18.75% of the business.

5 0
3 years ago
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