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marusya05 [52]
3 years ago
6

Pls solve will give brainlest

Mathematics
1 answer:
Ganezh [65]3 years ago
3 0

Answer:

x=65

Step-by-step explanation:

That is the answer.

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The time t (in minutes) requires to empty A tank of waste water varies inversely with the rate r (in gallons per minute) of pump
Arte-miy333 [17]

Answer:

14 mins

Step-by-step explanation:

t = k/r

k = 56

t = 56/r

r = 4

t = 56/4

t = 14 mins

7 0
3 years ago
HELP HWLP HELP please
alexandr1967 [171]

Answer: 12x

Step-by-step explanation: 3x times 4x = 12x

4 0
3 years ago
A sinusoidal function whose period is 1/2, maximum value is 10, and minimum value is -4, has a y-intercept of 3. What is the equ
nikdorinn [45]
Period of sin wave = 1/2
Period of parent sine function is 2π.

This means the x value of sine function (sin(x)) has to be divided by 4π to get a period of 1/2 because 2π/4π = 1/2

Thus, our function will be of the form: sin( \frac{x}{4 \pi })

Maximum Value = 10 
Minimum Value = -4

Amplitude of the function = (Maximum Value - Minimum Value)/2
So, amplitude of the function is 7 

Thus, the function will be of the form:

7sin( \frac{x}{4 \pi } )

The function has a y-intercept other than zero, this means the function will be of the form:

y=7sin( \frac{x}{4 \pi } )+k

The y-intercept is 3. This means for x=0, y=3. Using the values, we get:

3=7sin(0)+k \\  \\ 
3=k

Thus the equation of the sinusoidal function becomes:

y=7sin( \frac{x}{4 \pi } )+3

6 0
4 years ago
PLS HELP WILL MARK YOU BRAINLIEST! NO FAKE ANSWERS!
melisa1 [442]

answer:

y = 114°    and   x = 120°

step-by-step explanation:

part A:

  • one inner angle: 51°
  • second inner angle: (180°-87°) = 93°
  • third inner angle: (180°-30°) = 150°
  • fourth, beside y angle: 360° - 150° - 93° - 51° = 66°
  • then y = 180°  - 66°  = 114°

part B:

  • there are 6 sides, so inner angle: (6-2)*180 = 720°
  • 160° + 123° + 107° + 90° + x + x = 720°
  • 2x + 480° = 720°
  • 2x = 720° = 480°
  • 2x = 240°
  • x = 120°
6 0
3 years ago
Read 2 more answers
my son is 7 times older than my grandson and i am 12 times older than my grandson .if you added all of our ages together the sum
Ludmilka [50]
The equation would be x+7x+12x = 100
solving gives x=5
12×5=60
7×35

5+35+60=100

The age/answer is 60
8 0
3 years ago
Read 2 more answers
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