How do you do this problem?
how do you do this problem? - 1

Answers

Answer 1
Answer: The pythagorean theorem states that a² + b² = c². 
We have a = 10 and c = 20. 
100 + b² = 400 
Subtract 100 from each side. 
b² = 300 
Get the square root of 300. 
It could be expressed as b ≈ 17.321, or could stay in radical form as√(300)
Hope this helps!

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A bag contains 3 red marbles,5 yellow marbles,and 4 blue marbles. One marble is chosen at random. What is the probability that the chosen marble will be blue? A.1/12 B.1/4 C.1/3 D.3/4

Answers

There are 12 marbles in total (3 red + 5 yellow + 4 blue)

4/12 is blue
This can be simplified to 1/4

The answer is B) 1/4

Please give me brainliest answer if I helped

 3/4 is the correct answer


Jack can swim 3 laps in 7 minutes.At this rate, how many laps can Jack swim in 28 minutes?

Answers

Jack can swim 12 laps in 28 minutes. 28 minutes is 4 times greater than the time it took him to swim 3 laps. With 28 minutes he should therefore be able to swim 4 times as many laps. 3 times 4 equals 12
he can swim 3 laps in 7 minutes.
28÷7=4
4*3=12
we can conclude that in 28 minutes he can swim 12 laps.

What fraction is the same as 0.2?

Answers

0,2 = \boxed { (2)/(10) }
It is 2/10 (two over ten) because 0.2 is two tenths.

What is the surface area of the cube?? mm2

Cube with sides of four millimeters

Answers

A cube has 6 sides, and each side has the area of 16 (since 4 times 4 is 16) so if you multiply 16 and 6 you get 96 mm2 as the surface area.
SURFACE AREA OF A CUBE IS 
a=6*a^2
a= 6*16=96mm^2

Rearrange the equation A = xy to solve for x.x = y over A
x = A times y over x
x = A times x over y
x = A over y

Answers

Answer:

x = A over y

Step-by-step explanation:

we have

A=xy

Solve for x

That means -----> isolate the variable x

Divide by y both sides

A/y=xy/y

Simplify

A/y=x

Rewrite

x=A/y

therefore

x = A over y

Answer:

The correct option is D) x = A Over y.

Step-by-step explanation:

Consider the provided equation.

A = xy

We need to solve the equation for x.

Divide both the sides by y.

(A)/(y) = (xy)/(y)

(A)/(y) = x

x=(A)/(y)

Hence, the value of the provide equation for x is x=(A)/(y).

Thus, the correct option is D) x = A Over y.

What goes into 451 evenly

Answers

the answer to your question is 11 

the answer is 11
451 divided by 11 is 41