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IgorC [24]
3 years ago
10

If someone can help me figure out #6. Thanks

Mathematics
1 answer:
professor190 [17]3 years ago
3 0

Answer: (1,-\frac{3}{2})

Step-by-step explanation:

To find the midpoint, you use the formula midpoint=(\frac{x_1+x_2}{2} ,\frac{y_1+y_2}{2} ).

The points are (-2,-1) and (4,-2).

midpoint=(\frac{-2+4}{2} ,\frac{-1+(-2)}{2} )              [add]

midpoint=(\frac{2}{2} ,\frac{-3}{2} )                            [divide]

midpoint=(1 ,\frac{-3}{2} )

Now, we know the midpoint is (1,-\frac{3}{2}).

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BigorU [14]
Yup here you go it’s uhmmmm idk anymore heheh
6 0
3 years ago
Find the area of an octagon whose perimeter is 120 cm.
stira [4]

Answer:

The area of an octagon whose perimeter is 120 cm is 1086.4 cm^{2}

Step-by-step explanation:

An octagon is a polygon with eight sides. If the lengths of all the sides and the measurement of all the angles are equal, the octagon is called a regular octagon.

There is a predefined set of formulas for the calculation of perimeter, and area of a regular octagon.

The perimeter of an Octagon is given by

P=8a

and the area of an Octagon is given by

A=2a^{2}(1+\sqrt{2})

We know that the perimeter is 120 cm, solving for side length (a) in the perimeter formula we get

120=8a\\\frac{8a}{8}=\frac{120}{8}\\a=15

Now, we calculate the area

A=2a^{2}(1+\sqrt{2})\\A=2(15)^{2}(1+\sqrt{2})\\A=450\left(1+\sqrt{2}\right)\\A\approx 1086.4 \:cm^{2}

5 0
3 years ago
What is 37 and 1/2 simplified?
yarga [219]
37 and 1/2 could mean:
37+ (1/2)
37 times 1/2



37+1/2=37 and 1/2 or 37.5

37 times 1/2=37/2=18 and 1/2=18.5
3 0
3 years ago
Sixty-three is 60% of____________
ArbitrLikvidat [17]
To know how to do this set up the question:

63/x = 60/100
63*100=60x
6300/60=x
x=105
3 0
3 years ago
Is 68 prime because i am doing homework and im stuck on this and it is very hard so help me please
BlackZzzverrR [31]

If  68  is a prime number, then the only factors it has are  1  and  68.
If it has any other factors besides  1  and  68, then it's NOT prime.

Right away, without any higher math, you can look at just the last digit
in 68 .  The last digit is '8'.  That tells you that '68' is an even number,
and THAT tells you that '2' must be one of its factors.  So '68' is not a
prime number.

The factors of  68  are  1,  2,  4,  17,  34, and  68 .    

68  has four more factors besides  1  and  68, so it's not a prime number.

8 0
3 years ago
Read 2 more answers
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