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lina2011 [118]
3 years ago
13

Change the fraction 3/4 into a fraction

Mathematics
1 answer:
Marianna [84]3 years ago
5 0

Answer:

Step-by-step explanation:

6/8

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The radius of the large sphere is double the radius of the
kozerog [31]

Answer:

Given:

Radius of large sphere: R1

Volume of sphere: V1

Radius of small sphere: R2

Volume of sphere: V2

R1=2R2

We know that:

Volume of a sphere: 4/3πR^3

Volume of large sphere: 4/3πR1^3

Now we know that R1=2R2(given)

Thus volume of large sphere(V1) 32/3πR2^3.

Volume of small sphere(V2): 4/3πR2^3.

Ratio of volume of large sphere to small sphere is 8:1.

Step-by-step explanation:

8 0
3 years ago
This Christmas, your brother Jack will be 2 years from being twice as old as your sister Jen. The sum of Jacks age and three tim
zhannawk [14.2K]

Age of Jen is 13.6 years old

<em><u>Solution:</u></em>

Let "x" be the age of Jack and "y" be the age of Jen

Given that This Christmas, your brother Jack will be 2 years from being twice as old as your sister Jen

The above sentence can be written mathematically as:

Jack age + 2 = twice of age of Jen

x + 2 = 2y\\\\x = 2y - 2---- eqn 1

The sum of Jacks age and three times Jen's age is 66

Jack age + three times Jen age = 66

x + 3y = 66 ---- eqn 2

Substitute eqn 1 in eqn 2

2y - 2 + 3y = 66

5y - 2 = 66

5y = 68

<h3>y = 13.6</h3>

Thus age of Jen is 13.6 years old

5 0
3 years ago
What number must you add to complete the square?
eimsori [14]

Answer:

36

Step-by-step explanation:

x^2 + 12 x  = 40

To complete the square, take the coefficient of the x term

12

Divide by 2

12/2 = 6

Square it

6^2 = 36

Add 36 to each side

8 0
3 years ago
A newspaper company pays $30 if an enployee distributes 50 copies of paper what is the company paying paying rate in terms of do
Black_prince [1.1K]

Answer:

$0.60

Step-by-step explanation:

30/50=60/100=0.60

If its correct, can you give me brainiest

7 0
2 years ago
Can someone help me with my homework please
Otrada [13]

Answer:

this answer is perfect I hope enjoy it

7 0
2 years ago
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