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3 years ago

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Mathematics

2 answers:

SVETLANKA909090 [29]3 years ago

8 0

Answer:

lets goooooooooo

Step-by-step explanation:

Gelneren [198K]3 years ago

8 0

Answer:

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Step-by-step explanation:

You might be interested in

A train goes at 78kph for 20 minutes. How long does it travel?

DerKrebs [107]

Answer:

26km

Step-by-step explanation:

The train can travel 78km per hour or per 60 min

78 = 60

x = 20

Cross multiply:

(78)(20) = 60x

1560 = 60x

x = 26

Thus the train travels 26km in 20 min

8 0

2 years ago

Read 2 more answers

The sum of two consecutive odd integers is 20 less than four times the smaller of the two integers. Which of the following equat

erik [133]

Mmmmmdghdjebbdghsjbdjbf

6 0

3 years ago

What is the measurement of angle f?

ziro4ka [17]

Answer:

∠ f = 33°

Step-by-step explanation:

Using the sine ratio in the right triangle

sin f = $\frac{opposite}{hypotenuse}$ = $\frac{36}{66}$ , thus

∠ f = $sin^{-1}$ ( $\frac{36}{66}$ ) = 33° ( to the nearest degree )

6 0

3 years ago

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Find the volume of the cone.

Tatiana [17]

Answer: V≈50.27

Step-by-step explanation: V=πr^2h/3

Plug in: π(4)^2 3/3

16π

Decimal Form:

50.26548245

Round≈50.27

Hope this helps and would appreciate brainliest! Have a great day.

6 0

3 years ago

The 3 by 3 grid below shows nine 1 cm × 1 cm squares and uses 24 cm of wire. What length of wire is required for a similar 20 by

Nady [450]

Answer:

840

Step-by-step explanation:

Hi there!

Usually, this kind of problem asks us the perimeter rather than the area. But when talking on this grid on how many cms are necessary to construct one made up of 9 squares 1cm x1 cm. We need to check one thing: Some line segments will be used twice. So this is not a classical perimeter question.

1) So we either manually and carefully count it avoiding not doing it twice the same common line segments.

Or.

2) By just applying an algorithm, Where n is the <em>nxn</em> grid

$n(n+1)+n(n+1)=Length \:of \:the \:wire$

So, for the 20x20 grid

$20(20+1)+20(20+1)=length\\\\20(21)+20(21)=length\\length=840 cm$

5 0

4 years ago