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ycow [4]
3 years ago
15

A bird of species A, when diving, can travel 6 times as fast as bird of species B top speed. if the total speeds for these to bi

rds 231 miles per hour, find the fastest speed of the birds of species A and the fastest speed of the bird of species B
Mathematics
1 answer:
MA_775_DIABLO [31]3 years ago
7 0
X=266/7
x=38mph b
6x=228mph a
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A cone with a diameter of 12 inches has a volume of 640.88 cubic inches. find the height of the cone
BlackZzzverrR [31]

Answer:

The height of the cone is 17\ in

Step-by-step explanation:

we know that

The volume of a cone is equal to

V=\frac{1}{3}\pi r^{2}h

In this problem we have

r=12/2=6\ in ----> the radius is half the diameter

V=640.88\ in^{3}

assume \pi=3.14

substitute the values and solve for h

640.88=\frac{1}{3}(3.14)(6)^{2}h

h=640.88*3/((3.14)(36))=17\ in

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What is the value of 2x^2-2(x+4) when x = 5?<br> A.–32<br> B. 24<br> C. 32<br> D. 40
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Algebra 1 Answer Key with notes.pdf go on that and there are the anwers and the answer key :)

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Answer:

<h2><em>x</em><em>=</em><em>3</em></h2>

<em>Sol</em><em>ution</em><em>,</em>

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<em>\frac{24}{9x - 9}  =  \frac{32}{6x + 6}  \\ or \: 24(6x + 6) = 32(9x - 9) \\ or \: 144x + 144 = 288x - 288 \\ or \: 144x - 288x =  - 288 - 144 \\ or \:  - 144x =  - 432 \\ or \: x =  \frac{ - 432}{ - 144}  \\ x = 3</em>

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atroni [7]
Am i supposed to multiply? 5 times 3 equals 15 
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3 years ago
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natita [175]

Answer:

  ∠J = 60°

Step-by-step explanation:

The Law of Cosines tells you ...

  j² = k² +l² -2kl·cos(J)

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<em>Additional comment</em>

It is pretty rare to find a set of integer side lengths that result in one of the angles of the triangle being a rational number of degrees.

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