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pantera1 [17]
3 years ago
9

Can i PLEASE PLEASE PLEASE have some help?

Mathematics
2 answers:
valentina_108 [34]3 years ago
8 0
\frac{56}{72} \frac{21}{22}  are repeating decimals 
DochEvi [55]3 years ago
3 0
In order from left to right its RRRT
R is repeating and T is terminating 
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If the sum of two whole numbers is 24 more than their difference, then one of the number must be
Iteru [2.4K]

Answer:

Option C. 12

Step-by-step explanation:

Let

x---> one whole number

y ---> the second whole number

we know that

x+y=(x-y)+24

x-x+y+y=24\\2y=24\\y=12

therefore

One of the number must be 12

5 0
3 years ago
A solid toy is in the form of a hemisphere surmounted by a right circular cone. The height of the cone is 4 cm and diameter of t
docker41 [41]

Answer:

See below ~

Step-by-step explanation:

<u>Things to Find</u>

  1. Volume of Toy
  2. Difference of Volumes in Cube and Toy
  3. Total Surface of Toy

<u>Volume of Toy</u>

  • Volume of Hemisphere + Volume (Cone)
  • 2/3πr³ + 1/3πr²h
  • 1/3πr² (2r + h)
  • 1/3 x 3.14 x 16 (8 + 4)
  • 1/3 x 50.24 x 12
  • 50.24 x 4
  • <u>200.96 cm³</u>

<u></u>

<u>Volume of Circumscribing Cube</u>

  • Edge length is same as diameter
  • V = (8)³
  • V = 512 cm³

<u>Difference in Volume</u>

  • 512 - 200.96
  • <u>311.04 cm³</u>

<u></u>

<u>Slant height of cone</u>

  • l² = 4² + 4²
  • l² = 32
  • l = 4√2 cm = 5.6 cm

<u />

<u>Surface Area of Toy</u>

  • CSA (hemisphere) + CSA (Cone)
  • 2πr² + πrl
  • πr (2r + l)
  • 3.14 x 4 (8 + 5.6)
  • 12.56 x 13.6
  • <u>170.8 cm²</u>
3 0
2 years ago
3. Your teacher wants to make sure everyone has a pencil for class. She has 104 students in all of her classes. The office gave
hoa [83]
104 / 4 = 26 boxes <===
8 0
3 years ago
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The ratio of irises to The ratio of irises to roses in Nikki's garden is 2:5. She currently has 25 roses. She is planning to add
denpristay [2]
If the proportion of iris to roses in Nikki's garden is 2: 5, it means that for 25 roses: (2/5) = (10/25). Therefore to maintain the proportion by adding 20 roses: (2/5) = (18/45). The number of irises after the addition of roses will be 10 + 18 = 28 irises.
5 0
3 years ago
Solve the equation X/6 +4=16
elena55 [62]

Answer:

x=160

Step-by-step explanation:

\frac{x}{6+4} =16

\frac{x}{10} =16

x=16 \times 10

x=160

4 0
3 years ago
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