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Paul [167]
3 years ago
5

Helppppppp plxxxxxxvvvvvvvvv​

Mathematics
2 answers:
Citrus2011 [14]3 years ago
7 0
18.8 is the answer. You can work out questions like these on omni calculator
Lelu [443]3 years ago
4 0

Answer:

18.84

Step-by-step explanation:

for formula for circumference is C=2πA

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Which statements are true about the ordered pair (−1,−4) and the system of equations?
erica [24]
The correct awnser in my opion is d hope that helps 
4 0
3 years ago
The coordinates of triangle GBW are G (20, 10) B (-35, 20), and W (5,-10). Is GBW a right triangle? Justify your answer.
Artist 52 [7]
We know from Pythagoras' Theorem, a right angle triangle can be identified by the relationship:

a^2+b^2=c^2

Thus, we know if the side lengths of the triangle in question abide by this relation, the triangle is right.

First, we must find the greatest side length.

We know, using the distance formula.

GB= \sqrt{(-35-20)^2 +(20-10)^2} =\sqrt{3125}
BW= \sqrt{(5+35)^2 +(-10-20)^2} =\sqrt{2500}
WG= \sqrt{(20-5)^2 +(10+10)^2} =\sqrt{625}

From this, we know that:
GB\ \textgreater \ BW\ \textgreater \ WG
Therefore, GB would be the hypotenuse of the triangle.
Now we substitute the values for the two shorter lengths and the greater length into the pythagorean theorem:
a^2+b^2=2500+625=3125
c^2=3125
\therefore LHS=RHS
Therefore, this triangle is a right angled triangle

6 0
3 years ago
Chad needed to buy a new part for his bicycle, and thought that the parts were sold in metric units. When he arrived at the stor
svp [43]

Answer:

<h2>9.1 inches</h2>

Step-by-step explanation:

1cm = 0.3937007874 inches.

As there are 2.54cm in an inch, to convert your cm figure to inches you need to divide your figure by 2.54.

9.05512 -> 9.1 inches

5 0
3 years ago
The number of different cars sold in some country rose from 210 in 1997 to 277 in 2007. Find the percent increase. Round to the
Pachacha [2.7K]

Answer:

70%

Step-by-step explanation:

What I did was,I counted by tens on my fingers until I got to 60 and I added 7 to that and I rounded It to the nearest whole percent which was 70 because,It was closest to 67.  

3 0
3 years ago
Jackson buys a grape snow cone on a hot day. By the time he eats all the "snow" off the top, the paper cone is filled with 27\pi
anyanavicka [17]

Question:

Jackson buys a grape snow cone on a hot day. By the time he eats all the "snow" off the top, the paper cone is filled with 27\pi27π27, pi cm^3 3 start superscript, 3, end superscript of melted purple liquid. The radius of the cone is 333 cm. What is the height of the cone?

Answer:

The height of the cone is 9 \ cm

Explanation:

It is given that the radius of the cone is 3 \ cm

The volume of the cone is 27\pi

The height of the cone can be determine using the formula,  

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

Substituting the values V=27 \pi and r=3, we get,

$27 \pi=\frac{1}{3} \pi(3)^{2} h$

Multiplying both sides by 3, we have,

$81 \pi= 9\pi h$

Dividing both sides by $9 \pi$, we have,

9=h

Thus, the height of the cone is 9 \ cm

4 0
3 years ago
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