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3 years ago

Hey can anyone help me was this math problem 2+2?

Mathematics

2 answers:

zaharov [31]3 years ago

4 0

The answer isssssss 4 xD

Ierofanga [76]3 years ago

3 0

Answer:

2+2=4

me is big brained

Step-by-step explanation:

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Write a decimal between,<br> .0000003 and .0000004 in scientific notation

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You could use .00000035

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4 years ago

A right circular solid cone of base radius 42cm and height 84cm has the same volume as a solid cylinder of height 112cm find the

11Alexandr11 [23.1K]

Answer:

21 cm

Step-by-step explanation:

Volume of cone is given by $1/3(\pi r^2h)$

volume of cylinder is given by $\pi r^2h$

where r is the radius of base and h is the height

_________________________________

For cone

radius = 42cm

height = 84

volume = $1/3(\pi *42^2*84)$ (1)

________________________________

For cone

radius = to find let it be r

height =112

volume = $\pi *r^2*112$ (2)

_______________________________________

since , volume of both solid are same

thus, equation 1 = equation 2

$1/3(\pi *42^2*84) = \pi *r^2*112\\=> r^2 = 1/3((\pi *42^2*84) / 112*\pi \\=> r^2 = 1/3(42*42*84/112) = 441\\=> r = \sqrt{441} \\=> r = 21$

Thus, radius of cylinder is 21 cm

6 0

3 years ago

Which symbol makes the sentence true?

stiks02 [169]

$-\frac{5}{12} \ \textless \ -\frac {2}{5}$ because -2/5 is closer to 0 than -5/12

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3 years ago

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Triangle A B C is cut by line segment S T. Line segment S T goes from side A B to side C B. Lines S T and A C are parallel. The

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Answer:

Option C.

Step-by-step explanation:

Given information: In triangle ABC, ST║AC, SB=10 ft, BT=9 ft and CT=2.7 ft.

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$\dfrac{SA}{SB}=\dfrac{CT}{BT}$

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On cross multiplication we get

$9\times SA=2.7\times 10$

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Mars2501 [29]

Answer:

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Step-by-step explanation:

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3 years ago