1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
nevsk [136]
3 years ago
14

Find the value of x. Write your answer in simplest form. WILL MAKE BRAINLIEST

Mathematics
2 answers:
lana [24]3 years ago
5 0
2x^2=(3root2)^2
2x^2=9(2)
x^2=9
x= 3,-3

x=3 because your side length can’t be negative.
oee [108]3 years ago
3 0
<h3>Answer:  x = 3</h3>

============================================

Explanation:

Since we have an isosceles right triangle, the the length of the hypotenuse (let's call it y) is equal to sqrt(2) times the leg length x.

In other words, y = x*\sqrt{2}

If we replaced y with 3*sqrt(2), then we could say,

y = x*\sqrt{2}\\\\3\sqrt{2} = x*\sqrt{2}

in which we can see that x = 3 must be the case. Or you could divide both sides of that last equation by sqrt(2) to find x = 3.

-------------------------

Another method:

We'll use the pythagorean theorem

a^2+b^2 = c^2\\\\x^2+x^2 = \left(3\sqrt{2}\right)^2\\\\2x^2 = 3^2*\left(\sqrt{2}\right)^2\\\\2x^2 = 9*2\\\\2x^2 = 18\\\\x^2 = 18/2\\\\x^2 = 9\\\\x = \sqrt{9}\\\\x = 3\\\\

We get the same answer as before.

You might be interested in
The​ _____ _____, denoted ModifyingAbove p with caretp​, is given by the formula ModifyingAbove p with caretpequals=​_____, wher
Vlada [557]

Answer:

The​ <u>sample proportion</u>, denoted by  ^p​, is given by the formula ^p=​ \frac{x}{n}, where x is the number of individuals with a specified characteristic in a sample of n individuals.

Step-by-step explanation:

Sample proportion is used to determine sample mean, sample standard error and test the hypotheses about the population.

<em>sample mean</em> can be stated as p and <em>sample standard error</em> can be found using the equation\sqrt{\frac{p*(1-p)}{n} } where

  • n is the sample size
  • p is the sample proportion

And if n×p×(1-p)≥10, then sample is assumed large enough to assume normal distribution and apply statistical test.

3 0
3 years ago
The expression means the product of 5 and the difference of three times r minus 10. If r = 4, the value of the expression is .
Morgarella [4.7K]

Answer:

10

Step-by-step explanation:

"three times r" = 3r

"three times r minus ten" = 3r - 10

"product of 5 and the difference of three times r minus ten"

= 5 (3r - 10)

given that r = 4,

the expression becomes

5 (3r - 10)

= 5 [3(4) - 10]

= 5 [12 - 10]

= 5 (2)

= 10

4 0
3 years ago
Rou<br>Round 66.681 to the nearest ten thousand.​
Pavel [41]

Answer:

this only goes to the thousanths.

Step-by-step explanation:

7 0
3 years ago
One side of a square has a value of 3x+2, find the perimeter of the square
alexira [117]

Answer:

P = 12x +8

Step-by-step explanation:

The perimeter of a square is given by

P = 4s  where s is the side length

P = 4(3x+2)

Distribute

P = 12x +8

6 0
3 years ago
Read 2 more answers
Helppp please and tyyyy
DanielleElmas [232]

Answer:

I am pretty sure its B but i dont know for sure

Step-by-step explanation:

3 0
2 years ago
Other questions:
  • A freight elevator can hold 3000 pounds. Write an solve and inequality to find how many 150 pount boxes could be safely loaded o
    7·1 answer
  • Can someone plz help....!.!.!.!.!!.!.!.!.
    11·1 answer
  • The diagram below shows the dimensions of a triangular park built in a new housing development. Two side lengths and one angle m
    7·1 answer
  • Represent a three-dimensional figure with a circular base
    14·1 answer
  • Serena uses chalk to draw a straight line on the sidewalk. The line is 12 ft long. She wants to divide the line into sections th
    15·1 answer
  • An automobile manufacturer claims that its car has a 33.7 miles/gallon (MPG) rating. An independent testing firm has been contra
    14·1 answer
  • Which rule represents the translation of hexagon D'E'F'G'H'I' ?
    5·1 answer
  • Help pls pls i really need help.
    5·2 answers
  • Guys please help, does this look ok? :)<br>I'll give brainliest as well &lt;3​
    7·2 answers
  • Troy has a price chart below for various ingredients he needs to order for his sandwich bar. Sandwich Ingredients Item Cost (per
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!