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Nady [450]
3 years ago
15

Which number is closest to 66 (squared)? A) 8.8 B) 8.1 C 8.2 D) 9.1

Mathematics
2 answers:
Hoochie [10]3 years ago
8 0

Answer:

sq rt of 66 is 8.12 so 8.1 closest

dezoksy [38]3 years ago
7 0

Answer:

8.1

I hope it will help you a lot.

HOPE your day goes great.

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Which number line can you use to simplify 2 - (-8)?
tigry1 [53]

i would say c is the best answer or the 3rd one


3 0
3 years ago
Two and two fifths divided by one and a half
worty [1.4K]

Answer:

8/5 or 1 3/5

Step-by-step explanation:

2 2/5 = 12/5

1 1/2 = 3/2

Now that we have fractions that are easier to divide, one must understand that the opposite of dividing is multiplying. So if you multiply 12/5 by the reciprocal* of 3/2, which would be 2/3, you would get your answer so...

12     3         12    2        24     8             3

—  ÷ —   =   — × —    =  —  = —   <em>or</em>  1  —

5       2         5     3        15      5             5

*the reciprocal is the opposite of the fraction you have. So the denominator would become the numerator, and vise versa.

6 0
3 years ago
(6x+9)−(7x+1) find the difference
Bad White [126]
Answer: -x+8
explanation: it’s in its simplest form because it cannot be factored
5 0
2 years ago
Read 2 more answers
Hhhhhhiiiiiiiiiiiiiiiiiiiiiii
prohojiy [21]
Do you need help? I can assist you if so.
4 0
2 years ago
The question I need is question #13. Please provide a step by step answer. Thank You
Jet001 [13]

Answer:

Step-by-step explanation:

We have plane 1 flying SW for 4 hours at a rate of 415 mph.  The distance he covers using the d = rt formula for distance, is 415(4) = 160 miles.

We also have plane 2 flying directly east (along the x-axis) for 4 hours at 327 mph.  The distance he covers using the d = rt formula for distance, is 327(4) = 1308 miles.  The angle in between them at this point is 135 degrees, and what we need to find is the length of the vector connecting the 2 planes.  IF this was right triangle trig that distance would be the hypotenuse and we could solve for it using Pythagorean's Theorem.  BUT it is NOT a right triangle, so we have to find some other means with which to solve for that length.  We will use the Law of Cosines to do this.

?^2=1660^2+1308^2-2(1660)(1308)cos(135) which simplifies a bit to

?^2=2755600+1712864-(-3070653.624)

If you add all of that together, you'll get

?^2=7537117.624  and you'll take the square root of that to get that the distance between the 2 planes after 4 hours is

2745 miles

4 0
3 years ago
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