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Nostrana [21]
3 years ago
10

Pythagorean theorem HELP PLZ i am doing other ones can you plz do this one

Mathematics
2 answers:
aivan3 [116]3 years ago
5 0

Answer:

it is the 1st one.

Step-by-step explanation:

The pythagorean theorem is a^{2} + b^{2} = c^{2}, a and b standing for the two legs and c stands for the hypotenuse (slanted line connecting the two). Since 2^{2} = 4 and 3^{2} = 9, we add 4 and 9 to get 13. Since 3 is already squared, we can look at it like \sqrt{13}. Therefore, the first answer, "2,3,\sqrt{13}", is correct. Hope this helped!! :]

xenn [34]3 years ago
3 0

Answer:

it is the first answer

Step-by-step explanation:

have a good day :)

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How much does a glass cube with a side of 5-cm weigh if 1cm3 of glass weighs 2 2/5 grams?
PtichkaEL [24]

The weight of galss cube with side 5 cm is 300 grams

<em><u>Solution:</u></em>

A glass cube is of side length 5 cm

Let us first find the volume of glass cube

<em><u>The volume of cube is given as:</u></em>

volume = (side)^3\\\\volume =5^3 = 125

Thus volume of cube is 125 cm^3

Given that,

1 cm^3 = 2\frac{2}{5} \text{ grams }\\\\1 cm^3 =\frac{12}{5} \text{ grams}

So, weight of 125 cubic centimeter of glass cube is found by multiplying weight of 1 cubic centimeter of glass cube by 125

\text{ Weight of 125 } cm^3 \text{ cube } = \text{ Weight of 1 } cm^3 \text{ cube } \times 125

\text{ Weight of 125 } cm^3 \text{ cube } = \frac{12}{5} \times 125 = 25 \times 12 = 300

Thus weight of galss cube with side 5 cm is 300 grams

3 0
4 years ago
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Nth term of this sequence 1, 10, 19, 28
mestny [16]

Answer:

The nth term of the sequence is

<h2>9n - 8</h2>

Step-by-step explanation:

The sequence above is an arithmetic sequence

For an nth term in an arithmetic sequence

A(n) = a + ( n - 1)d

where a is the first term

n is the number of terms

d is the common difference

From the question

a = 1

d = 10 - 1 = 9 or 19 - 10 = 9 or 28 - 19 = 9

So the nth term of the sequence is

A(n) = 1 + (n - 1)9

= 1 + 9n - 9

= 9n - 8

<h3>A(n) = 9n - 8</h3>

Hope this helps you

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3 years ago
How do you solve this?
konstantin123 [22]

Answer:

145

Step-by-step explanation:

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