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nadya68 [22]
2 years ago
8

Please help me it is due soon, please no links

Mathematics
1 answer:
lora16 [44]2 years ago
6 0

Answer:

The length of the three sides 5, \sqrt{58} , \sqrt{65}

The triangle <u>is not</u> a right triangle

Step-by-step explanation:

A = (3, 2) , B = ( 6, 9) , C = (10, 6)

Find the lengths using distance formula.

distance = \sqrt{(x_2 -x_1)^2 + (y_2 - y_1)^2}

AB = \sqrt{(6-3)^2 + (9-2)^2}  = \sqrt{9 + 49 } = \sqrt{58}

BC = \sqrt{(10-6)^2 + (6-9)^2}  = \sqrt{16 + 9}  = \sqrt{25}  = 5

AC = \sqrt{(3-10)^2+(2-6)^2}  = \sqrt{49 + 16} = \sqrt{65}

Using Pythagoras theorem :

(Longer \ side)^2 = sum \ of \ square \ of \ two \ other \ sides

Longest side is AC . So we will check if it satisfies Pythagoras theorem :

\sqrt{65} = \sqrt{58} + 5^2\\65 = 58 + 25\\

65 ≠ 58 + 25

So the sides does not satisfy Pythagoras theorem. Hence the triangle is not a right triangle.

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<u>Answer:</u>

\boxed{\pink{\sf The \ number \ of \ cubes \ that \ can \ be \ fitted \ is 60 .}}

<u>Step-by-step explanation:</u>

Given dimensions of the box = 20cm × 6cm × 4cm .

Dimension of the cube = 2cm × 2cm × 2cm .

Therefore the number of cubes that can be fitted into the box will be equal to the Volume of box divided by the Volume of the cube. So ,

\boxed{\red{\bf \implies No. \ of \ cubes \ = \dfrac{Volume \ of \ box}{Volume \ of \ cube }}}

\bf \implies n_{cubes} = \dfrac{20cm \times  6cm \times 4cm .}{2cm  \times 2cm  \times 2cm } \\\\\bf\implies n_{cubes}  = 10 \ times 3cm \times 2cm \\\\\implies \boxed{\bf n_{cubes}= 60 }

<h3><u>Hence</u><u> the</u><u> </u><u>number</u><u> </u><u>of</u><u> </u><u>cubes</u><u> </u><u>that</u><u> </u><u>can</u><u> </u><u>be</u><u> </u><u>fitted</u><u> </u><u>in</u><u> the</u><u> </u><u>box </u><u>is</u><u> </u><u>6</u><u>0</u><u> </u><u>.</u></h3>

6 0
3 years ago
????? HELP PLEASEEE!!
lys-0071 [83]
What is the question?
5 0
2 years ago
PLZZZ help with this its pretty simple!
zubka84 [21]

Answer:

2x^3−7x^2+16x−15

Step-by-step explanation:

(2x−3)(x^2−2x+5)

=(2x+−3)(x^2+−2x+5)

=(2x)(x^2)+(2x)(−2x)+(2x)(5)+(−3)(x^2)+(−3)(−2x)+(−3)(5)

=2x^3−4x^2+10x−3x^2+6x−15

=2x3−7x2+16x−15

6 0
3 years ago
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The diameter of a sphere is 6 cm. What is the volume of the sphere?
irinina [24]

Answer:

36pi

Step-by-step explanation:

the volume of a sphere is equal to 4/3 x pi x r^3

the radius is half of the diameter

3^3=27

27x4/3=36

36pi

6 0
2 years ago
256=(1/4)3x+2Solve the exponential equation for x.
Tasya [4]

Answer:

Exact Form:

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Decimal Form:

x = 338. ¯ 6

Mixed Number Form:

x = 338  2/3

Step-by-step explanation:

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