What is three fourths plus five eighths

Answers

Answer 1
Answer: One and three eighths. Or eleven eighths.
Answer 2
Answer: 3/4+5/8
find lcm which is 8
6/8+5/8
=11/8 or 1 3/8

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The Johnson family owns an above ground circular swimming pool that has walls made of aluminum. What is the length of aluminum surrounding the pool if the radius is 12 feet?

Answers

Answer:

24*pi ft

Step-by-step explanation:

Here you're looking to find the circumference of the pool.  The formula for circumference when r is known is C = 2*pi*r

Here the circumference is C = 2*pi*(12 ft) = 24*pi ft.

it would be 24 because 12 times 2 would be equal to 24

Tobias has 12 coins in his pocket. Of these coins, 8 were made in the year 2000, and 4 were made in the year 2005. Tobias randomly selects one coin from his pocket and, without replacing it, selects another coin from his pocket. What is the probability that both coins he selects were made in the year 2000?

Answers

the total coins are 12, 8 are from year 2000.
So the probability of having the first coin from year 2000 is 8 out of 12 = 8/12 = 0.666 = 66.7%
For the second, would be 7 coins from 2000 out of 11 total, that is 7/11 = 0.636 = 63.6%
and the total probability is the multiplications of them both:
total probability = 0.666*0.636 = 0.424 = 42.4%
thatt is the probability

without multiplying determine which expression has a product greater than 52,678

A) 5/6 x 52,678

B) 9/9 x 52,678

C) 4/3 x 52,678

D) 3/5 x 52,678

How can I tell just looking at it



Answers

The answer will be C.4/3 * 52,678

Answer:

c because 4/ is bigger than one

How do you find the y=mx+b equation with a problem like 3x+5y=9?

Answers

You have to solve for y.

3x+5y=95y=-3x+9y=-3/5x+9/5
I hope i didn't answer too late

What is the LCD of 5/12 and 3/8

Answers

24 is the LCD of 5/12 and 3/8
the LCD is 24

8 times 3 = 24
12 times 2 = 24

For an sphere what would be the formula

Answers

A sphere's volume formula is :

{ V }_( sphere )=\frac { 4 }{ 3 } \cdot \pi \cdot { r }^( 3 )

and surface are formula is:

{ V }_( a )=4\cdot \pi \cdot { r }^( 2 )

Where r is radius.


For an sphere:

Diameter = (2) x (radius)

Radius = (1/2) x (diameter)

Surface area = (4) x (pi) x (radius)²

Volume = (4/3) x (pi) x (radius)³