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Dennis_Churaev [7]
3 years ago
9

Thx the picture I need help with it thx

Mathematics
1 answer:
Anon25 [30]3 years ago
5 0
40x7=280

Your answer is $280

Hope this helped :D
~xo Melis
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The volume of two similar solids are 128 m3
arsen [322]

Answer:

Solution given:

The volume of two similar solids are 128 m³

and 250 m³.

surface area of larger solid is 250m²

<u>let</u><u> </u><u>surface</u><u> </u><u>area</u><u> </u><u>of</u><u> </u><u>smaller</u><u> </u><u>solid</u><u> </u><u>be</u><u> </u><u>x</u><u>.</u>

<u>Since</u><u> </u><u>they</u><u> </u><u>are</u><u> </u><u>similar</u>

\frac{250}{128}   =  \frac{250}{x}

x=128

the surface are of the

smaller solid is 128m²

8 0
3 years ago
Solve trigonometric function<br><br> cos2∅ + sin∅ × csc∅ / sin2∅
aliina [53]

Answer:

Step-by-step explanation:

\sf Formula: \\\\\sin 2 \theta    =  2 \sin \theta  \cos \theta


\text {\sf \Large Solution :}

\cos 2 \theta +\dfrac{\sin \theta\cdot \cos \theta  }{\sin 2 \theta }  = \\\\\ \cos 2 \theta +\dfrac{\sin \theta\cdot \cos \theta}{2\sin \theta\cdot \cos \theta}  =\boxed{\cos 2 \theta +\dfrac{1}{2} }

3 0
2 years ago
Read 2 more answers
Six times a number is greater than 20 more than that number. What are the possible values of that number?
Alex73 [517]

Answer:

6x > x + 20,

x > 4

or

X belongs to a set of real numbers [0, +infinity)

Step-by-step explanation:

6x > x + 20

5x > 20

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3 0
3 years ago
What is the mass of a cylinder of lead with a radius of 2 centimeters and a height of 6 centimeters, given that the density of l
ycow [4]

The mass of lead cylinder is: 859.10 grams

Step-by-step explanation:

In order to find the mass of a cylinder we have to find the volume first

Given

Radius = r = 2 cm

Height = h = 6 cm

The volume of cylinder is given by:

V = \pi r^2h

Putting the values

V = 3.14 * (2)^2 * 6\\= 3.14*4*6\\=75.36\ cm^3

Now,

Density of lead per cm^3 = 11.4g

Mass\ of\ cylinder = Volume*Density\\= 75.36*11.4\\=859.10\ grams

The mass of lead cylinder is: 859.10 grams

Keywords: Volume, Density

Learn more about volume at:

  • brainly.com/question/2115122
  • brainly.com/question/2116906

#LearnwithBrainly

7 0
3 years ago
Which of the following must be true?
Naddika [18.5K]

Answer:

B, it's the only plausible one. A is wrong because the value would be above 180°

5 0
3 years ago
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