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IrinaK [193]
3 years ago
10

Which method listed below could not be used to prove that two triangles are congruent? Why?

Mathematics
1 answer:
OLEGan [10]3 years ago
8 0
I think it is D hope it works
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I need help with box and whisker plots ASAP
bonufazy [111]
Box and whiskers plots use five number summaries. The first number is:
1:Minimum
2.Quartile 1
3.Mean
4.Quartile 2
5.maximum

Quartile are simple to get.
If your set of numbers is:
2,3,3,6,8,8,11
Then find the mean
2 3 3 |6| 8 8 11
Find the mean of the left side of of mean.
2 |3| 3 3 =Quartile 1
Then the right side
8 |8| 11 8 =Quartile 2
-----------------------------------------------
Your 5 number summary is 2,3,6,8,11
Plot them on the number line, but put a line above where the dot would go. take the 3 middle lines and connect to make a box. The lines on the outside of the box are the whiskers, AKA distributed data.
8 0
3 years ago
A conical paper funnel of radius 4 and height 6 units is needed to make a good cup of coffee. If this funnel is made out of a se
Nimfa-mama [501]

Answer:

The radius of this circle is 2\sqrt{13} and the central angle of the sector is \theta=\frac{2}{\sqrt{13}}\times360^\circ.

Step-by-step explanation:

Consider the provided information.

If a conical paper funnel is made out of a sector of circle then the radius of the sector becomes the slant height of the cone, and the length of the curved part of the sector becomes the circumference of the base of the cone.

First find the slant height: l=\sqrt{r^2+h^2}

l=\sqrt{4^2+6^2}

l=\sqrt{16+36}

l=2\sqrt{13}

Thus, the radius of the sector is 2\sqrt{13} which is same as the slant height of the cone.

Now, the circumference of the base of the cone is same as the length of the curved part.

C=2\pi r

C=2\pi \times4=8\pi

The length of the curved part = \frac{\theta}{360\circ}\times2\pi r

\frac{\theta}{360\circ}\times2\pi \times2\sqrt{13}=8\pi

\frac{\theta}{360\circ}\times\sqrt{13}=2

\theta=\frac{2}{\sqrt{13}}\times360^\circ

Hence, the radius of this circle is 2\sqrt{13} and the central angle of the sector is \theta=\frac{2}{\sqrt{13}}\times360^\circ.

4 0
4 years ago
Hailey spent $12 to buy 2 fish. Her cousin spent double the amount on fish. Each fish cost the same amount. How many fish do Hai
Greeley [361]
Haley spent $ 12....her cousin spent double....so her cuz spent $ 24

haley spent $ 12 for 2 fish...12/2 = 6 bucks per fish
so if the cuz spent $ 24....24/6 = 4.....cuz got 4 fish

haley's 2 fish + cuz's 4 fish = 6 fish in total
3 0
3 years ago
Read 2 more answers
Find the product of (4x - 3)(2x^ - 7x + 1)
Keith_Richards [23]

Answer:

Step-by-step explanation:

(4x-3)(2x²-7x+1)

=4x(2x²-7x+1)-3(2x²-7x+1)

=8 x³-28 x²+4x-6 x²+21 x-3

=8 x³-34 x²+25x-3

6 0
3 years ago
14 over 17 as a decimal rounded to the nearest tenth
Leya [2.2K]

Step-by-step explanation:

14/17 is 0.82352941176

To the nearest tenth is 0.8

7 0
3 years ago
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