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Elenna [48]
2 years ago
11

Evan is building a fort for his pet Bearded Dragon. He uses a total of 300

Mathematics
1 answer:
olga55 [171]2 years ago
3 0

Answer:

100

Step-by-step explanation:

blue = 1

red = 2

(blue) 100

(red) 200

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15. The height and yolume of a cylinder are 4cm and 616cm respectively. Calculate the diameter of the base. (take t = 27 쪽 A. 7c
irakobra [83]

Step-by-step explanation:

Given that,

  • Height of cylinder = 4 cm
  • Volume of cylinder = 616 cm³

To find,

  • Diameter of the base = ?

Firstly we'll find the base radius of the cylinder.

\longmapsto\rm{V_{(Cylinder)} = \pi r^2h}\\

<u>Accordi</u><u>ng</u><u> </u><u>to</u><u> </u><u>the</u><u> </u><u>qu</u><u>estion</u><u>,</u>

\longmapsto\rm{616= \dfrac{22}{7} \times r^2 \times 4}\\

\longmapsto\rm{616 \times 7 = 22 \times r^2 \times 4}\\

\longmapsto\rm{4312 = 88 \times r^2 }\\

\longmapsto\rm{\cancel{\dfrac{4312}{88}} =  r^2 }\\

\longmapsto\rm{49 =  r^2 }\\

\longmapsto\rm{\sqrt{49} =  r }\\

\longmapsto\rm{7 \; cm =  r }\\

Now,

\longmapsto\rm{Diameter = 2r }\\

\longmapsto\rm{Diameter = 2(7 \; cm) }\\

\longmapsto\bf{Diameter = 14 \; cm}\\

The required answer is 14 cm.

4 0
3 years ago
Cost of article = $455 Percentage of markup (on cost) = 28%
SpyIntel [72]
The cost would be $582.40!

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3 years ago
angel hikes at a rate of 2.4 miles per hour. If he hikes for 1/3 of an hour, how many miles will he hike?
Yuki888 [10]
So Angel hikes at 2.4 miles per hour. This says that in one hour he hikes 2.4 miles. In 1/3 of an hour then he would hike 1/3 of 2.4 miles, which is 2.4/3, or 0.8.
4 0
3 years ago
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Jasmine bought 3500g of flour. She used 3/7 of it to bake some tarts and 700g of it to bake a cake. Find the ratio of the amount
Serggg [28]

Answer: 15:13

Step-by-step explanation: 7/7=3500

<h2>1/7=3500÷7=500</h2><h2>500x3=1500</h2><h2>1500+700=2200</h2><h2>3500-2200=1300</h2><h2>1500:1300</h2><h2>15     :   13 (if there is a need to simplify the                         ratio)</h2><h2 />

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Item 14
kondor19780726 [428]

Answer:

Translation

Step-by-step explanation:

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