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Salsk061 [2.6K]
3 years ago
8

If two sides of a triangle are congruent, then the triangle must have two congruent angles.

Mathematics
1 answer:
zubka84 [21]3 years ago
5 0
That is true. If a triangle has two sides congruent it will be a isosceles triangle, 
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The volume of a cube is 216mm3.What is the length of its side?
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Steps:
216 mm3 is the volume.

Given the volume, you can take the cube root of the volume to find the side.
The cube root of 216 is 6.

Answer: 6
8 0
3 years ago
Question
Vlada [557]

Answer:

(-6,4)

Step-by-step explanation:

You started at (-4,2)  The first number in the ordered pair moves the number left and right and the second number moved the point up and down.

We are first told to move the point 2 units to the left.  -4 is my left right number.  If I am at -4 and I go to unites to the left, I will be at -6.  My new point is now (-6,2).  Next we are told to go up 2.  The 2 number in my ordered pair tells me that I am 2 above the x axis.  Now I am going to go two more units up.  I am now at 4, so my new ordered pair after the translation is (-6,4)

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2 years ago
In an exam a student scored 60 marks out of<br>a possible 80. What percentage is this?<br>?​
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Answer:

75%

Step-by-step explanation:

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3 years ago
The director of the library believes that 14% of the library's collection is checked out. If the director is right, what is the
Ksivusya [100]

Answer: 0.2643

Step-by-step explanation:

Let p be the population proportion and \hat{p} be the sample proportion .

As per given question , we have

p=0.14\\\\ \hat{p}=0.13\\\\ n=478

z-score : \dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}

z=\dfrac{0.13-0.14}{\sqrt{\dfrac{0.14(1-0.14)}{478}}}\\\\=-0.630087269176\approx-0.63

The required probability ( using z-table ):-

P(z

Hence, the probability that the proportion of books checked out in a sample of 478 books would be less than 13% = 0.2643

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Ur answer is c.0.10 because 10 is less than all the other answer choices
4 0
3 years ago
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