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marshall27 [118]
3 years ago
8

c%7B125%7D%7B3%7D%20" id="TexFormula1" title=" \frac{3}{4} x + \frac{5}{6} = 5x - \frac{125}{3} " alt=" \frac{3}{4} x + \frac{5}{6} = 5x - \frac{125}{3} " align="absmiddle" class="latex-formula">
​
Mathematics
2 answers:
jonny [76]3 years ago
6 0

Answer:

nos   agoi o se

Step-by-step explanation:

sweet [91]3 years ago
4 0

Answer:

\boxed{\bold{\huge{\boxed{x = 10}}}}

Step-by-step explanation:

=> \sf \frac{3}{4} x + \frac{5}{6} = 5x - \frac{125}{3}

Combining like terms

=> \sf \frac{3x}{4} - 5x = -\frac{125}{3} - \frac{5}{6}

Taking LCM to make the denominator same

=> \sf \large{\frac{3x-20x}{4} = \frac{-250-5}{6} }

=> \sf \frac{-17x }{4} = \frac{-255}{6}

=> \sf \frac{17x }{4} = \frac{255}{6}

Cross Multiplying

=> \sf 17x * 6 = 4 * 255

=> \sf 102x = 1020

Dividing both sides by 102

=> x = 10

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Elijah calculated the area of a circle to be 900π units². Which of the following was the radius of the circle?
scZoUnD [109]

Answer: A. 30

Step-by-step explanation:

The formula for the area of a circle is pi*r^2, where r is the radius of the circle.

900pi = pi*r^2

Divide both sides by pi.

900 = r^2

Square root both sides.

r = +/- 30.

Since the radius cannot be negative, the answer is 30 units.

7 0
2 years ago
Find x to the nearest tenth
Ivan

Answer: 0.20

Step-by-step explanation:

6 0
3 years ago
Jeb is the local tennis pro at the country club, and he needs to know at what height the tennis ball needs to be when he hits it
suter [353]

Answer:

The height from ground, at which Jeb needs to hit the ball is 7.8 meters

Step-by-step explanation:

The given parameters are;

The distance away the tennis ball is hit = 20 meters;

The height of the tennis net = 0.3 m

The distance from the net the ball lands = 4 meters

The time the ball takes to land from the 0.3 m net height is given as follows;

t = √(h/(1/2×g)) = √(0.3/(1/2 × 9.8)) ≈ 0.2474

t ≈ 0.2474 seconds

The speed of the ball = Distance/Time = 4/0.2474 ≈ 16.166

The speed of the ball ≈ 16.166 m/s

The time it takes the ball to reach the net = 20/16.166 ≈ 1.24

The time it takes the ball to reach the net, tₓ ≈ 1.24 seconds

The height, hₓ the ball falls in 1.24 seconds is given as follows;

hₓ = 1/2·g·tₓ² = 1/2 × 9.8 × 1.24² = 7.5

The height, hₓ the ball falls in 1.24 seconds = 7.5 m

The height the ball falls in the time taken to reach the net from 20 meters = The height, hₓ the ball falls in 1.24 seconds

Therefore, the height at which Jeb needs to hit the ball = The height the ball falls in the time taken to reach the net from 20 meters + The height of the net = 7.5 m + 0.3 m = 7.8 m

The height at which Jeb needs to hit the ball = 7.8 m

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3 years ago
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Natalka [10]

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Step-by-step explanation:

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Calculate \frac{1}{4} x (-5 - 15)

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= -5

6 0
2 years ago
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The perimeter of the square is 1 foot how many inches long is each sad
SpyIntel [72]
Im gonna asume you mean side, so 1 foot = 12 inches (: 
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