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Finger [1]
3 years ago
15

The sum of two numbers is 57. The larger number is 11 more than the smaller number. What are the numbers?

Mathematics
1 answer:
FromTheMoon [43]3 years ago
8 0

Answer:

I'll tell u later

Step-by-step explanation:

Small number =x

Large number =11 plus x

Now from the question,

x + 11 + x = 57

Therefore 2x plus 11= 57

2x= 57-11=46

X=46÷2=23

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The radius of a circle is 9 inches. What is the circle's area?<br> Use 3.14 for ​.
Anna007 [38]

Answer:

<u>254.34 in²</u>

Step-by-step explanation:

<u>Area of a circle</u>

  • A = πr²
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<u>Solving</u>

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5 0
2 years ago
Read 2 more answers
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RideAnS [48]

Answer:

73 - 2x = 86 - 3x

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Step-by-step explanation:

Then m<1 = 73-2(13) = 47

M<2=82-3(13)=47

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3 0
2 years ago
4. The reflecting dish of a parabolic microphone has a cross-section in the shape of a parabola. The microphone itself is placed
elixir [45]
Assume the parabola is placed on a graph where the x-axis is the top of the dish.
The vertex is then at (0,-30)  The x-intercepts or zeros are at (-30,0) and (30,0)

The equation of such parabola would be:
y = a(x+30)(x-30)
Plug in vertex to find value of 'a'
-30 = a(0+30)(0-30) \\  \\ a = \frac{-30}{(-30)(30)} = \frac{1}{30}

Now find the focus given that p = \frac{1}{4a}
p = \frac{1}{4(1/30)} = \frac{30}{4} = 7.5

Answer: the microphone should be placed 7.5 inches from vertex.
8 0
3 years ago
1/3 of 90 = 2/3 of ?
rewona [7]
Answer=45
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zhuklara [117]
The maximum number of nights he could stay is 4 nights
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2 years ago
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