43%×64%÷3+86×18=what?

Answers

Answer 1
Answer:

Answer:

1548.09173333

Answer 2
Answer:

Answer:

43%×64%÷3+86×18=

1548.09173333

Step-by-step explanation:

Hope this answer helps you :)

Have a great day

Mark brainliest


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​​​Find the equations of the vertical asymptotes of the given rational function f(x)=(x²+9x)(x²-2x-15)

Answers

To find the vertical asymptotic equations of the rational function, we must first find the points of intersection of the function with the x-axis. These points are the solutions of the equation f(x) = 0. We decompose the exponential function into the product of two expressions: f(x) = (x² + 9x)(x² - 2x - 15) Now we can set each of the expressions inside the parentheses equal to zero and solve the vertical asymptotic equations: x² + 9x = 0 or x² - 2x - 15 = 0 To solve the first equation, we can factor x out: x(x + 9) = 0 So the two vertical asymptote equations are x = 0 and x + 9 = 0 (that is, x = -9). To solve the second equation, we can use the analysis method or the quadratic formula. Using the analysis method, we can decompose the expression x² - 2x - 15 in the following form: (x - 5)(x + 3) = 0 Therefore, two vertical asymptote equations equal to x - 5 = 0 (that is, x = 5) and x + 3 = 0 (that is, x = -3). So the vertical asymptotic equations of the rational function f(x) = (x² + 9x)(x² - 2x - 15) are equal to x = 0, x = -9, x = 5 and x = -3.

Factor the mn+5m-3n-15

Answers

The factor of mn+5m-3n-15 is 6m-4n-15.

How will adding the value 1000 affect the mean and median of the data set 5, 10, 17, 19, 20? A.
The median increases and the mean stays the same.

B.
The mean and the median increase by the same amount.

C.
The mean increases more than the median increases.

D.
The mean increases and the median stays the same.

Answers

The answer should be C

Simplify the fraction 4t2-16/8/t-2/6

Answers

The first thing we are going to do in this case is to rewrite the expression:
 4 (t2-4) / 8 / t-2/6
 4 (t-2) (t + 2) / 8 / t-2/6
 We now use the double C:
 24 (t-2) (t + 2) / 8 * (t-2)
 We simplify similar terms:
 24 (t + 2) / 8
 3 (t + 2)
 Answer:
 
The simplified expression is:
 
3 (t + 2)

Consider the 1-to10^19 scale on which the disk of the Milky Way Galaxy fits on a football field. On this scale, how far is it from the sun to the alpa centauri (real distance:4.4 light-years) How big is the sun itself on this scale? Compare the sun's size on this scale to the actual size of a typical atom (about 10^-10 m in diameter).

Answers

Answer:

Sun is 0.4162708 cm away from alpha century.

Sun is 1.391016*10^(-10)m.

Sun is 1.391016 time the size of an atom at this scale.

Step-by-step explanation:

Light year is a measure of distance. It is the distance light travels in an year.

Light year = 9.4607*10^(12) km

So 4.4 light years = 4.4*9.4607*10^(12) km

                                41.62708*10^(12) km

Lets scale this down to the level of 1*10^(-19)

41.62708*10^(12)*1*10^(-19) km

=41.62708*10^(-7) km

Change the units to centimeters:

41.62708*10^(-7)*1*10^(5) cm

=41.62708*10^(-2) cm

=0.4162708 cm

Therefore on the new scale sun is 0.4162708 cm away from alpha century.

Diameter of the sun is 1.391016 million km

Lets change Sun's diameter to the new scale:

1.391016*10^(6) *10^(-19)km

=1.391016*10^(-13)km

Lets change kilometers in to meters:

1.391016*10^(-13)*10^(3)m

=1.391016*10^(-10)m

Therefore, sun is 1.391016*10^(-10)m

and an atom is 1*10^(-10)

Therefore the sun is 1.391016 time the size of an atom at this scale.



Final answer:

On a 1-to-10^19 scale, the distance from the Sun to the Alpha Centauri is about 44 cm. On this same scale, the Sun itself would have a diameter of about 150 picometers, which is larger than a typical atom.

Explanation:

The 1-to-10^19 scale means for every actual meter in space, we represent 10^19 meters on our model. The Alpha Centauri is 4.4 light-years away from the sun. Considering 1 light-year equals to approximately 9.46x10^15 meters, the real distance from the sun to Alpha Centauri is about 4.16x10^16 meters. So, on the scale, this is about 0.44 meters or 44 cm.

The Sun's real size, with a diameter of 1.5 million kilometers or 1.5x10^9 meters, is represented as 1.5x10^-10 meters or 150 picometers on the scale. This is much bigger than an actual atom, which has a diameter of 0.1 to 0.5 nanometers or 100 to 500 picometers. Hence, on this scale, the Sun would be larger than a typical atom.

Learn more about Scale Representation here:

brainly.com/question/38391112

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A line has a gradient of 4 and passes through the post (1,7). what is the equation?

Answers

Answer:

The equation is y = 4x+3

Step-by-step explanation:

The slope intercept form of a line is

y = mx+b where m is the slope and b is the y intercept

y = 4x + b

Substitute the x and y value into the equation

7 = 4(1)+b

7 = 4+b

Subtract 4

7-4 =b

3=b

The equation is y = 4x+3

Answer:

y = 4x + 3

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = 4, thus

y = 4x + c ← is the partial equation

To find c substitute (1, 7) into the partial equation

7 = 4 + c ⇒ c = 7 - 4 = 3

y = 4x + 3 ← equation of line