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hodyreva [135]
3 years ago
9

Which best explains whether a triangle with side links 5 cm 13 cm and 12 cm is a right triangle

Mathematics
1 answer:
Genrish500 [490]3 years ago
5 0

Answer:

5^{2} + 12^{2} = 13^{2}\\25+144=169

Step-by-step explanation:

Squaring base and adjacent then adding them and finally getting the squareroot of the sum gives hypotenuse of a right angle triangle. In this case, squaring 5 and 12 then getting their square roots gives you 13, proving that it is a right angle

Here is the proof

5^{2}=25\\12^{2}=144\\13^{2}=169\\25+144=169

Therefore, the above dimensions are for a right angled triangle.

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Ben drinks tea at an incredible rate.He drinks 3 1/2 liters of tea every 2/3 of an hour.Ben drinks tea a constant rate.How many
vampirchik [111]

Answer:


Step-by-step explanation:

2/3 = 0.66

1 hour = 60

60 x 0.66 = 39.6 or 40  

In which, 60 - 40 = 20; so he only drinks 3 1/2 liters every 40 minutes.

He drinks 3 1/2 every hour.

3 0
3 years ago
Please show process!!!!<br> THANK YOU!<br> Will mark brainylist
lakkis [162]

Answer: 103 degrees

Step-by-step explanation:

51 + 26 = 77

A triangle adds up to 180 degrees

180 - 77 = 103

= <u>103 degrees</u>

3 0
3 years ago
92.96 as a fraction
nikklg [1K]
To change a decimal to a fraction you need to first place the decimal over 1. Next, for each number behind the decimal, you will multiply by a multiple of 10. Since there are 2 numbers behind the decimal, it's 100. Therefore, 
92.96 x 100 = 9296
1 x 100= 100


Your new fraction is 9296/100. Now we simplify it. I'm going by 2's so it may take a bit. 
Simplifying it twice by 2's your answer would be:

2324/25


3 0
3 years ago
Can someone help me with this question please?!
Alborosie

Answer:

H. $26

Step-by-step explanation:

$6.50 x 4 = 26. The cost is exact.

7 0
3 years ago
Find the surface area of the prism below. See attachment, 58 cm is incorrect.
Masja [62]

Answer:

Surface area of the given figure = 48 cm^2

Step-by-step explanation:

Surface area is nothing area of all the sides.

We can find the area of each figure add them together.

There are two triangles with the same measures.

One rectangle with measure of 4 by 3.

Another rectangle with the measure of 5 by 3.

One square with the measure of 3.

Surface area = Area of two triangles + rectangle 1 + rectangle 2 + square

Formulas:

Area of the triangle = 1/2 base* height

Area of the rectangle = length * width

Area of the square = side x side

Applying the formula, we get

=2[1/2 (3*4)] + 4*3 + 5*3 + 3^2

= 12 + 12 + 15 + 9

Surface area of the given figure = 48 cm^2

Hope this will helpful.

Thank you.

3 0
3 years ago
Read 2 more answers
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