2 years ago

Which of these triangles appears not to be congruent to any others shown

Mathematics

2 answers:

asambeis [7]2 years ago

8 0

The answer is B. ABC

omeli [17]2 years ago

7 0

Answer:

B. ABC

Step-by-step explanation:

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What is the chance of drawing a yellow ball then a red ball from a bag containing 3 yellow balls and 7 red balls?

Ainat [17]

Talking as if the balls do not get put back into the bag, the first probability is 3/10 for yellow. For red it will be 7/9 because there is one less ball (yellow) in the bag.

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3 years ago

Use scientific notation to rewrite the number:

slavikrds [6]

A. 2.603*10^-4
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2 years ago

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HELPPPP What is the volume of the square pyramid? Use Pythagorean’s Theorem to find the height of the pyramid

aalyn [17]

Answer: 4,111.7 mm³

Step-by-step explanation:

You need to use this formula to calculate the volume of the square pyramid:

$V=\frac{s^2h}{3}$

Where "s" is the lenght of any side of the square base and "h" is the height of the pyramid.

Find the height with the Pythagorean Theorem:

$a^2=b^2+c^2$

Where "a" is the hypotenuse and "b" and "c" are the legs of the right triangle. Let be "c" the height of the pyramid.

You can identify in the figure that:

$a=26mm\\\\b=\frac{23mm}{2}=11.5mm\\\\c=h$

Then, you can find the height:

$(26mm)^2=(11.5mm)^2+h^2\\\\h=\sqrt{(26mm)^2-(11.5mm)^2}\\\\h=23.318mm$

Then, knowing that:

$s=23mm\\h=23.318mm$

You can calculate the volume:

$V=\frac{(23mm)^2(23.318mm)}{3}=4,111.7mm^3$

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2 years ago

What is meant by measure of center"?Please define using your own words,or by providing an example.

stepladder [879]

Center:

Center is a point in space, which is at equal distance from all the others points in that space.

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sergey [27]

Is it multiple choice?

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