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Mashcka [7]
3 years ago
12

In the diagram, the distance between the microphones is 6 feet. This is 3 times the distance d from each microphone to the sound

source. Write an equation that represents this situation
Mathematics
1 answer:
Readme [11.4K]3 years ago
7 0

Answer:

3d = 6

Step-by-step explanation:

since the distance is 6 feet, 3 times the distance (d) would give you the equation, 3d= 6.

:)

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A rectangle measures 1200 cm by 2 m. Find the perimeter of the rectangle.
olga nikolaevna [1]

Answer:

Perimeter = 28 mt or 2800 cms

Step-by-step explanation:

Formula for Perimeter is

P = 2(l+b)

Here P = we have to find

Length = l = 1200 cm Given

Width = b = 2 m = 200 cm (Given and converted into cm as the units must be same)

Putting those values in the formula

P=2(1200+200)

P=2(1400)

P=2800 cm

P=28 mt

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3 years ago
What is (8×9)÷2 will give brainliest
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36 hope i helped best of luck :)
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Which expression is equivalent to 6(5m-7)<br><br> a 11m-13<br> b 11m-42<br> c 30m-13<br> d 30m-42
Ksivusya [100]

Answer:

30m-42 (D)

Step-by-step explanation:

Let's evaluate the expression,

6(5m-7)

30m-42

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3 0
3 years ago
Solve the equation using the quadratic formula. X^2-9x+3=0
Nesterboy [21]

Answer:

The answer is x= \frac{9+\sqrt{69}}{2}, x= \frac{9-\sqrt{69}}{2}

Step-by-step explanation:

x^2=a

-9x=b

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Plug into formula.

Equation: \frac{9+-\sqrt{(-9)^2-4(1)(3)}}{2}

Simplify the equation.

Equation: \frac{9+-\sqrt{81-12}}{2}

Subtract 81 and 12.

Equation: \frac{9+-\sqrt{69}}{2}

Spit into two equations

Equation 1: \frac{9+\sqrt{69}}{2}

Equation 2: \frac{9-\sqrt{69}}{2}

Hope this helps!

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(-8,5)

Step-by-step explanation:

its what comes in between the two

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3 years ago
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