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Alenkinab [10]
3 years ago
9

Fill in the blank with the correct answer choice. 1 km = ___ m

Mathematics
1 answer:
Travka [436]3 years ago
4 0
1 kilometer is 0.62 miles

1 kilometer is 1000 meters


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Please I need help please!!!!
Orlov [11]

Answer:

x=−16/3 or x=2

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

3x2+10x−8=24

Step 2: Subtract 24 from both sides.

3x2+10x−8−24=24−24

3x2+10x−32=0

Step 3: Factor left side of equation.

(3x+16)(x−2)=0

Step 4: Set factors equal to 0.

3x+16=0 or x−2=0

8 0
3 years ago
I need the solution
Nataly [62]

The only thing you can do here is to try to simplify, so I'll assume that's what you want to do.

\dfrac{b^2-a^2}{2a^2+ab-3b^2}

The numerator is a difference of squares, so it's easy to factorize:

b^2-a^2=(b-a)(b+a)

In the denominator, we factorize by grouping:

2a^2+ab-3b^2=2a^2-2ab+3ab-3b^2=2a(a-b)+3b(a-b)=(2a+3b)(a-b)

So we have

\dfrac{b^2-a^2}{2a^2+ab-3b^2}=\dfrac{(b-a)(b+a)}{(2a+3b)(a-b)}=-\dfrac{b+a}{2a+3b}

5 0
4 years ago
A fisherman caught one fish that was 12/5 feet long and a second fish that was 9/4 feet long. How much longer was the first fish
Scrat [10]
Answer: the first fish was 3/20 feet longer.

Explanation: in order to compare the fractions you need to multiply 12/5 by 4 and 9/4 by 5. That leaves us with 48/20 and 45/20 after that you simply subtract and are left with 3/20.
7 0
3 years ago
سلام. ایرانی ها بیان فالو بک بدیم<br><img src="https://tex.z-dn.net/?f=%20%5Csqrt%5B5%5D%7B1024%7D%20%20%3D%20%20%20%5Cfrac%7B%3
Elanso [62]

2^10/5 = 2^2 = 4

................................

6 0
3 years ago
Malcolm wanted to build a dog run with an area of 64. What is the smallest perimeter the dog run could be
katrin2010 [14]

If it needs to be a rectangle, then the rectangle with the smallest perimeter for
a given area is the square.  He needs 32 feet of fence, and should fence off a
square that's 8 x 8 .

But if he's willing to go to the trouble, the perimeter of a circle with the same area
is even less than the square.

A = (pi) (R²)
R = √(64/pi).

Circumference = (2 pi) (R) = 2 pi √(64/pi) = √(256 pi) = 28.359 (rounded).

That's  11.4%  less fence to buy, for a circular run.

But on the other hand, what have you got against the dog ?  One of
the two main purposes of a dog run is to give the dog a place to <u>run</u>. 
Minimizing the perimeter also minimizes the distance where he can get
up some speed and run in a straight line ... freeing up his hips, clearing
the cobwebs from his brain, smelling the air, keeping his claws nice and
worn down.  With the emotional well-being of the dog in mind, I'd expect
you'd want to give him the <u>maximum</u> possible straight route inside the
run, which, unfortunately, also maximizes the amount of fence that Malcolm
has to provide.

But I digress.  The math is done.  The question is answered.
This case is closed.


5 0
3 years ago
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