$MathMaster logo$

MathMaster

Home
general
simplify square root of 20

Question

Simplify square root of 20

162

likes

808 views

Answer to a math question Simplify square root of 20

$Expert avatar$

4.4

106 Answers

$\sqrt{ 4 \times 5 }$

$\sqrt{ {2}^{2} \times 5 }$

$\sqrt{ {2}^{2} }\sqrt{ 5 }$

$\begin{align*}&2\sqrt{ 5 } \\&\approx4.47214\end{align*}$

Frequently asked questions (FAQs)

What is the measure of angle BAC if arc BC on circle O is 120°?

+

What is the sine value for an angle of 45 degrees?

+

What is the number of ways to arrange 4 students out of 10 in a line for a photo? (

+

New questions in Mathematics

A normally distributed population has a mean of 118 with a standard deviation of 18. What score separates the lowest 72% of the distribution from the rest of the scores?

Consider numbers from 1 to 2023. We want to delete 3 consecutive, so that the avarage of the left numbers is a whole number. How do we do that

1. Suppose we have a good whose quantity supplied changed from 100 to 120 units when the price increased from $10 to $12 per unit. Compute the price elasticity of supply using the midpoint method

A job takes 9 workers 92 hours to finish. How many hours would it take 5 workers to complete the same job?

The actual length of an object is 1.3 m . If the blueprint uses a scale of 1 : 12 , what is the length of the line on the drawing?

how many arrangement can be made of 4 letters chosen from the 8 letters of the world ABBSOLUTE

4. Show that if n is any integer, then n^2 3n 5 is an odd integer

If the midpoint of point A on the x=3 line and point B on the y=-2 line is C(-2,0), what is the sum of the ordinate of point A and the abscissa of point B?

Pedro had 80% of the amount needed to buy a game. Of this amount, you spent 15% on a watch and therefore, you will need to add another R$640.00 to purchase this game. Is the value of the game?

3. A rock is dropped from a height of 16 ft. It is determined that its height (in feet) above ground t seconds later (for 0≤t≤3) is given by s(t)=-2t2 + 16. Find the average velocity of the rock over [0.2,0.21] time interval.

The following table shows the frequency of care for some animal species in a center specializing in veterinary dentistry. Species % Dog 52.8 Cat 19.2 Chinchilla 14.4 Marmoset 6.2 Consider that the center only serves 10 animals per week. For a given week, what is the probability that at least two are not dogs? ATTENTION: Provide the answer to exactly FOUR decimal places

A machine produces 255 bolts in 24 minutes. At the same rate, how many bolts would be produced in 40 minutes?

9.25=2pi r solve for r

Take the limit of (sin(x-4))/(tan(x^2 - 16) as x approaches 4.

Determine the Linear function whose graph passes through the points (6, -2) and has slope 3.

The area bounded by the curve y=ln(x) and the lines x=1 and x=4 above the x−axis is

Sarah is lining a square tray with 1 inch square tiles. the side length of the tray is 9 inches. How many tiles does Sarah need?

The domain of the function f(x)=x+7x2−144 is (−∞,), ( ,), and ( , ∞).