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3 years ago

Which statement is true about the equation fraction 3 over 4z − fraction 1 over 4z + 1 = fraction 2 over 4z + 1?

Mathematics

2 answers:

erastovalidia [21]3 years ago

6 0

Answer:

There is no solution

Step-by-step explanation:

You can’t get a solution out of this

nata0808 [166]3 years ago

3 0

(A- No solution)

Ignore the folloqing;

(12345678901234567890)

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A digital board game has 25 squares with 5 squares of each color. The results of 625 games are shown below. Color Frequency Gree

Alex Ar [27]

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5 0

2 years ago

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At noon, ship A is 130 km west of ship B. Ship A is sailing east at 25 km/h and ship B is sailing north at 20 km/h. How fast is

Hitman42 [59]

Answer:

answer = 12.87 km/h

Step-by-step explanation:

Given

Ship A is sailing east at 25 km/h = $\frac{dx}{dt}$

ship B is sailing north at 20 km/h = $\frac{dy}{dt}$

here x and y are the sailing at t = 4 : 00 pm for ship A and B respectively

so we get x = 4 ×25 =100 km/h

y = 4× 20 = 80 km/h

let z is the distance between the ships, we need to find $\frac{dz}{dt}$ at t = 4 hr

At noon, ship A is 130 km west of ship B (12:00 pm)

so equation will be

$z^2 = (130-x)^2 + y^2......................(i)\\put x = 100 and y = 80 \\\\we | | get \\$

$z^2 = 30^2 + 80^2\\z =\sqrt{7300} km/h$

derivative first equation w . r. to t we get

$2z\frac{dz}{dt} =$ $-2(130-x)\frac{dx}{dt}$ $+2y\frac{dy}{dt}$

$\frac{dz}{dt} =\frac{1}{z}[(x -130)\frac{dx}{dt} +y\frac{dy}{dt}]$

$\frac{dz}{dt} = \frac{( -20\times25 + 80\times20)}{\sqrt{7300} }$

$= \frac{1100}{85.44}\\ = 12.87km/h$

8 0

2 years ago

Some plsssss helppp!!!!

Vitek1552 [10]

Answer:

Step-by-step explanation:

add the z's and make both sides of the equation equal

4 0

2 years ago

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188 to 42 what is the percent change

Mekhanik [1.2K]

Answer:

Step-by-step explanation:

so we are gonna have a percent decrease because it went from 188 to 42

decrease = (original number - new number) / (original number ) * 100

= (188 - 42) / (188) * 100

= (146 / 188) * 100

= 0.7766 * 100

= 77.66% decrease....not sure if u need ur answer rounded to the nearest percent or not....if so, its a 78% decrease

6 0

3 years ago

12, 13, 15, 15, 16, 19,19,19,20,21,25 what is the median?

Olin [163]

The median is the middle number.

The middle number is 19.

Median = 19.

Hope this helped.

4 0

3 years ago

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