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just olya [345]

3 years ago

13

ship is traveling at a speed of 20 knots, a knot is approximately equal to 1.151 miles per hour What is the approximate speed th

e ship is traveling in yards per second

1 answer:

Elza [17]3 years ago

6 0

I think you would have to divide

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Leon verified that the side lengths 21, 28, 35 form a Pythagoreom triple using this procedure

professor190 [17]

21, 28, and 35 are multiples of 7. So you can divide each number by 7 (in other words scaling the triangle down by a scale factor of 7).
It becomes 3,4,5, which is the base Pythagorean triple.
3^2 + 4^2 = 5^2
9 + 16 = 25

8 0

3 years ago

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How many grams are there in 2.5 kg?

anyanavicka [17]

There are 2,500 grams in 2.5kg

3 0

3 years ago

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Your neighborhood has a square-shaped pool with side lengths of 3a to the fifth power. What is the area of the pool?

mezya [45]

3a x 3a x 3a x 3a x 3a

= 243a

Area = Length x Width

Since the pool is a square, you will do 243a x 243a

Area = 59,049

7 0

3 years ago

How do i solve this problem?? helpppp!!!!!

Oliga [24]

X × .60 = answer
%60X = answer

8 0

3 years ago

3(x+1)(x-1)=7x<br> (By quadratic formula)

Vlada [557]

Answer:

Step-by-step explanation:

$3(x^{2} - 1) = 7x\\ 3x^{2} - 7x - 3 =0$

x = [-(-7)± $\sqrt{49 - 4(3)(-3)}$ ] / 2(3)

x= (7 ±√85) / 6

3 0

3 years ago