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zepelin [54]
2 years ago
11

Math- u can zoom in to see the numbers on the chart and u can just tell me we’re the but the dots at and the awnsers pls

Mathematics
1 answer:
Misha Larkins [42]2 years ago
4 0

Answer:

hgjajshdhjdjdjjdjfjjdjj

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A circus tent is cylindrical up to a height of 7 m and is in the shape of a cone over it, the diameter of the cylindrical part i
yan [13]

\bold{\huge{\underline{ Solution }}}

<h3><u>Given </u><u>:</u><u>-</u><u> </u></h3>

• The circus tent is composed of cylinder and a cone.

• The height and diameter of the cylindrical part are 7m and 10m

• The total height of the circus tent 19m

• The cost of making the tent at a cost of 35 m² cloth.

<h3><u>Let's </u><u>Begin </u><u>:</u><u>-</u><u> </u></h3>

<u>Here</u><u>, </u><u> </u><u>we </u><u>have </u><u>,</u>

  • Cylinder and cone
  • The height and diameter of the cylinder are 7m and 10m
  • Therefore , radius = 5 m

<u>We </u><u>know </u><u>that</u><u>, </u>

Curved Surface area of the cylinder

\sf{ = 2{\pi}rh}

<u>Subsitute the required values, </u>

\sf{ = 2{\times}3.14{\times}5{\times}7}

\sf{ = 6.28 {\times}5{\times}7}

\sf{ = 6.28 {\times}35}

\bold{ = 219.8m^{2}}

Thus, The area of the cylinder is 219.8m² .

<h3><u>Now</u><u>, </u></h3>

•We have to find the area of the cone.

•Here, Base of cone = diameter of the cylinder.

•The height of the cone will be

= Height of the tent - Height of cylinder

\sf{ = 19 - 7 }

\bold{ = 12 m }

<u>We </u><u>know </u><u>that</u><u>, </u>

Area of cone

\bold{ = {\pi}rl }

  • Here, l is the slant height.

Slant height of the cone

\sf{ = \sqrt{ h^{2} + r^{2}} }

\sf{ = \sqrt{ (12)^{2} + (5)^{2}} }

\sf{ = \sqrt{ 144 + 25}}

\sf{ = \sqrt{ 169}}

\sf{ = \sqrt{ 13{\times} 13 }}

\bold{ = 13 m }

Thus, The slant height of the cone is 13 m

<u>Subsitute </u><u>the </u><u>required </u><u>values </u><u>in </u><u>the </u><u>above </u><u>formula </u>

\sf{ = 3.14 {\times} 5 {\times} 13}

\sf{ = 3.14 {\times} 65}

\bold{ = 204.1 m^{2}}

Thus, The area of the cone is 204.1 m² .

<h3><u>Therefore</u><u> </u><u>,</u></h3>

The total area of the circus tent

\sf{ = 204.1 + 219.8}

\bold{ = 423.9m^{2} \: or \: 424 m^{2}}

<h3><u>Now</u><u>, </u></h3>

  • We have to find the total cost of making the tent.
  • The cost for 1 m² = 35

<u>Therefore</u><u>, </u>

The total cost for making the circus tent

\sf{ = 424 {\times} 35}

\bold{ = 14840}

Hence, The total cost for making the tent is 14840 .

7 0
2 years ago
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Dakota knows that EJ←→⊥CN←→ and CN←→∥KT←→ .
Lina20 [59]

Answer:

  • m∠CJV=90°
  • EV←→⊥KT←→

Step-by-step explanation:

Nothing in the problem statement tells you anything about the directions of lines LK or QT, so you cannot conclude they are parallel. You only know that EV crosses CN and KT at right angles.

EJ ⊥ CN means m∠CJV = 90°, as all angles at the intersection of EJ and CN are 90°.

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Julie had twins that weighed less than 16 pounds together. If each twin weighed the same amount, which of the following inequali
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Answer:

what are the possible inequalities?

Step-by-step explanation:

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Emily has a coupon for 20 percent off her purchase. She finds a backpack she likes on the discount rack. It’s original price is
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She’s incorrect I’m pretty sure u divide 20 and 60.
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What is the quotient of 6 and -1/2? <br> A. -12<br> B. -1/2<br> C.1/12<br> D. 12
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Answer:

the correct answer is A. -12

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