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Elodia [21]
3 years ago
5

What is the ratio of sharpened pencils to unsharpened pencils

Mathematics
1 answer:
KatRina [158]3 years ago
8 0
If 20 pencils are sharpened, and there was 36 to begin with, the answer would be 4:5
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The area of a square garden is 50m^2. How long is the diagonal?
abruzzese [7]

Answer:

Adjacent length = √(50) m

Pythagorean theorem:

a^2 + b^2 = c^2

a = √(50) m

b = √(50) m

c^2 = √(50)^2 + √(50)^2

c^2 = 50 + 50

c^2 = 100

c = 10 m

Diagonal = 10 m

3 0
3 years ago
Mrs. gomes found that 40% of students at her high school take chemistry. she randomly surveys 12 students. what is the probabili
andrew-mc [135]

Answer:

0.213

Step-by-step explanation:

→ Convert into binomial information

x ~ B ( 12 , 0.4 )

→ Write down probability required

p ( x = 4 )

→ Evaluate

0.2128

5 0
2 years ago
Cone W has a radius of 8 cm and a height of 5 cm. Square pyramid X has the same base area and height as cone W. Paul and Manuel
sergij07 [2.7K]

This question is incomplete because it lacks the appropriate attachment containing the argument of Paul and Manuel

Kindly find attached the appropriate attachment necessary to solve this question.

The attachment was sourced online

Answer:

a) Paul's argument is correct, Manuel used the wrong formula to find the volume of square pyramid X

Step-by-step explanation:

From the above question, we are given two shapes: Cone W and Square Pyramid

Cone W: Radius = 8cm, Height = 5cm

Volume of a Cone = 1/3 πr²h

Where π = 3.14

Volume of Cone X = 1/3 × 3.14 × 8² × 5

= 334.93cm³

For Square pyramid X

Volume = 1/3 × Base Area × Height

Base Area of Cone W = Base Area of square pyramid X = πr²

Where π = 3.14

Base area = 3.14 × 8² = 200.96cm²

Height of Square pyramid X = Height of Cone W = 5cm

Volume of Square pyramid = 1/3 ×200.96cm² × 5cm

= 334.93cm³

Therefore, from my above calculation and compared with the arguments of Paul and Manuel, Option a) "Paul's argument is correct, Manuel used the wrong formula to find the volume of square pyramid X" is the correct option.

The reason why is because the correct formula for the volume of a square pyramid = 1/3 × Base area × Height

This was the formula Paul used.

Manuel on the other hand used the formula: Base Area × Height to find the volume of cone W. This formula is wrong.

Option a, is the correct answer.

4 0
3 years ago
No links or i will report
yanalaym [24]

Answer:

The answers go in the following order:

25

8

33.6

27

68.4

6 0
2 years ago
Do set of numbers DO NOT form a Right Triangle?<br> O 9, 12, 15<br> 5, 12, 13<br> 3,4,5<br> O 4,5,6
NeTakaya

Answer:

The ans is 3,4,5

Step-by-step explanation:

Hope it helps you Tq

4 0
3 years ago
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