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tensa zangetsu [6.8K]
3 years ago
12

PLEASE HELP ME ILL GIVE OUT BRAINEST

Mathematics
1 answer:
kow [346]3 years ago
5 0

9514 1404 393

Answer:

  F.  x(y +12)

Step-by-step explanation:

The factor of 1/5 can be distributed, while the factor of x is left alone.

  15/x(5y +60) = x(1/5(5y +60)) = x(y +12) . . . . matches F

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Determine which function(s) are exponential. Select all that apply.
Travka [436]

Answer:

option B and option C represent an exponential function.

Step-by-step explanation:

We know that following are some of the properties of different functions.

Linear Function:

The constant change in x and y

Quadratic Function:

The constant change in x

The constant 2nd differences in y

Exponential Function:

The constant change in x

The constant ratio in y

Determining the nature of the exponential function

Option A)

x       0          1          2         3           4

y       0          1           4         9          16

Here:

There is a constant change in x:

1 - 0 = 1;  2 - 1 = 1;  3 - 2 = 1;  4 - 3 = 1

BUT, there is NO CONSTANT ratio, as

1/0 = ∞,  4/1 = 4,  9/4 ; 16/9

Thus,

Table A DOES NOT represents an exponential function.

Option B)

x       0          1          2         3           4

y       1/3        1           3        9           27

Here:

There is a constant change in x:

1 - 0 = 1;  2 - 1 = 1;  3 - 2 = 1;  4 - 3 = 1

There is also a constant ratio, as

1/[1/3] = 3,  3/1 = 3,  9/3 = 3; 27/9 = 3

As there is constant change in x as well a constant ratio.

Thus,

Table B REPRESENTS an exponential function.

Option C)

x       0          1          2         3           4

y       5          5/2      5/4      5/8       5/16

Here:

There is a constant change in x:

1 - 0 = 1;  2 - 1 = 1;  3 - 2 = 1;  4 - 3 = 1

There is also a constant ratio, as

[5/2]/5= 1/2,

[5/4]/[5/2] = 1/2

[5/8]/[5/4] = 1/2

[5/16]/[5/8] = 1/2

As there is constant change in x as well a constant ratio.

Thus,

Table C REPRESENTS an exponential function.

Option D)

x       0          1          2         3           4

y       4.5       4        3.5       3          2.5

Here:

There is a constant change in x:

1 - 0 = 1;  2 - 1 = 1;  3 - 2 = 1;  4 - 3 = 1

BUT, there is NO CONSTANT ratio, as

4/4.5 = 4/[45/10] = 40/45 = 8/9

3.5/4 = [35/10]/4 = 35/40 = 7/8

3/3.5 = 3/[35/10] = 30/35 = 6/7

2.5/3 = [25/10]/3 = 25/30 = 5/6

Table D  DOES NOT represent an exponential function.

Conclusion:

Therefore, option B and option C represent an exponential function.

3 0
3 years ago
Simplify sin θ / square root 1 - sin^2 θ
Grace [21]

Answer: sec (0) tan (0)


Step-by-step explanation:

The instructions that you've provided were kind of obscure to me, so I did the best I could do. The answer above is what I believe the answer is.

7 0
3 years ago
Lisa had 1750 stamps. Mark had 480 fewer stamps than Lisa. Lisa gave some stamps to Mark. Now Mark has three times as many stamp
notka56 [123]

> How many stamps did Mark have at first?

We know that Lisa has 1750 stamps and Mark has 480 fewer than this, therefore subtract 480 from 1750 to get the number of stamps that Mark had at first:

 

1750 – 480 = 1270 stamps

 

> How many stamps does Lisa have now?

Let us say that x = the number of stamps that Lisa gave to Mark, therefore we can create the equation:

Mark = 3 * Lisa

480 + x = 3 (1750 – x)

480 + x = 5250 – 3x

4x = 4770

x = 1,192.50 stamps

 

So Lisa has now left with:

1750 – 1192.50 = 557.5 stamps ~ 557 stamps or 558

4 0
3 years ago
What is the volume of the cylinder?
zavuch27 [327]

Answer:

V= 904.896cm^3

Step-by-step explanation:

Volume of a cylinder

V = πr^2h

V - volume of a cylinder

π - pie

r - radius of the cylinder

h - height of the cylinder

Given :

h - 18cm

d - 8cm

d = 2 * radius

r = d/2

r = 8/2

r = 4cm

π - 3.142

Insert the values into the formula of volume of a cylinder

V = πr^2h

V = 3.142 * 4^2 * 18

= 3.142 * 16 * 18

= 904.896cm^3

3 0
4 years ago
Question 1 Unsaved
ICE Princess25 [194]
Y = 3x + 4

good luck!
3 0
3 years ago
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