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DiKsa [7]
3 years ago
8

Try some calculations using the keypad or your keyboard

Mathematics
1 answer:
morpeh [17]3 years ago
6 0

Answer:

the -3.2+8.1 is 4.9 I can't see the rest

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(NEED HELP ASAP)
denis-greek [22]
Pick any value in the y column of the table. I'm going to pick 81. Divide the value you picked by the previous y value, which in my case would be 9

Dividing the values gives: 81/9 = 9

So the base is 9. We multiply each y value by 9 to get the next y value
Eg: to go from 1/81 to 1/9, we multiply by 9. Same for 1/9 to 1, and so on.

Answer: Choice B) 9

Note: This trick only works because x is increasing by 1 each time
8 0
4 years ago
Log 15 (2x − 2) = log 15 (x+9)
notka56 [123]

Answer:

x=11

Step-by-step explanation:

Given the equation

\log_{15}(2x-2)=\log_{15}(x+9)

Note that

2x-2>0\\ \\2x>2\\ \\x>1

and

x+9>0\\ \\x>-9

Combined, x>1

Solve the equation:

2x-2= x+9\\ \\2x-x=9+2\\ \\x=11

Since 11>1, this is the solution to the equation.

5 0
4 years ago
Bruno Mars has $108 and is spending
Ilia_Sergeevich [38]

Answer:

Yes

Step-by-step explanation:

4 0
3 years ago
Describe the geometrical transformation and write the approximate value with working ​
lianna [129]

Answer:

\boxed{\text{a) Translation 5 units up; b)}\approx 110}\\

Step-by-step explanation:

a) Mapping the graphs

Mapping one graph (A) onto another (B) means that each vertical line through a point in A intersects the graph of the B at only one point.

In the diagram, the graph of ƒ(x) = √(x² + 9) is the blue line and the graph of g(x) = 5 + √(x² + 9) is in green.

Each vertical line through ƒ(x) intersects g(x) in only one point.

For example, a vertical line from (4, 0) intersects ƒ(x) at (4, 5) and g(x)

at (4, 10).

Every point in g(x) is five units higher than the corresponding point in ƒ(x).

Thus, mapping ƒ(x) onto g(x) is a translation of five units upward.

b) Integration

\int_{2}^{11}{(\sqrt{x^{2}+9}})dx\approx 65\\

\int_{2}^{11}{(5 + \sqrt{x^{2}+9})}dx \approx [5x]_2^{11}+65\\

\approx (55 - 10) + 65 \approx 45 + 65\\

\boxed{\approx 110}\\

5 0
3 years ago
The circumference of a circular region is shown.what type of number best describes the diameter of the circle? Explain
Nutka1998 [239]
<span>Pi / 3.14</span><span>
Where pi is defined as the ratio of a circle’s circumference divided by the diameter of the its circle. Pi has a value which is 3.1416. This pi is a constant value expressed by the quotient of its circumference over the diameter. What type of number best describes the diameter is the pi. Hence, if we describe the diameter, diameter is the quotient of pi over the circumference of a circle by itself. It can’t change in value since for every solution and quotient of a circle each calculation gets 3.14 more or less. </span>




6 0
3 years ago
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