What is the squareroot of 343

Answers

Answer 1
Answer:
Well, first of all, every positive number has two square roots.
Their digits are the same, but one is positive and one is negative.

The square root of 343 is an irrational number, so it can't ever be
exactly written with digits.  As a decimal, it never ends or repeats,
and as a fraction, it can't be written at all.

The positive square root starts out  18.52025...  and keeps going forever.

The other square root is the negative of that same number.
When you multiply either of them by itself, the product is close
to 343 .  The more decimal places you include, the closer it gets,
but it can never be exactly 343 . 


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Daniel is making a cube using blocks. The cube is solid and has no holes.How many cubes did Daniel use?



A.
81

B.
243

C.
486

D.
729

Answers

This answer uses NMF, which can be found out about in my profile:

We know that the length has to equal the width and height. This means that the amount of cubes used in total has to be the cube (power of 3) of the side length.

The answer is
floor#({3}√{x}) = {3}√{x}
where x is your possible answers and the statement is true.

If we do x = 81, then we can do
{3}√{81} ≈ 4.33
floor#(4.33) ≠ 4.33
therefore the answer is not 81

x = 243:
{3}√{243} ≈ 6.24
floor#(6.24) ≠ 6.24

x = 486:
{3}√{486} ≈7.86
floor#(7.86) ≠ 7.86

x = 729:
{3}√{729} = 9
floor#(9) = 9
Because they are equal, the number of cubes used is 729.

88 litres of milk is bought at rs 50 per litre. if 10 liters of milk is lost by leakage and the remainder is sold at rs 55 per litre, find the gain or loss percent.

Answers

It cost 50*80=4000rs to buy the milk.

The amount earned by selling it is (88-10)*55=4290rs.

The gain is (4290-4000)/4000=0.072=7.25%

Find the slope of the line that passes through the points (-8,-3) and (2, 3)0
1
3/5
5/3

Answers

Answer:

The answer is

(3)/(5)

Step-by-step explanation:

To find the slope passing through two points we use the formula

m =  (y2 - y1)/(x2 - x1)

Where

m is the slope

( x1 , y1) and ( x2 , y2) are the points

From the question the points are

(-8,-3) and (2, 3)

So the slope is

m =  (3 + 3)/(2 + 8)  =  (6)/(10)  =  (3)/(5)

Hope this helps you

I need help for algebra 2 for simplify form for example (3x-2i)(3x+2i)

Answers

Let's start...

(3x-2i)*(3x+2i)

3x*3x+3x*2i-2i*3x-2i*2i

9x^2+6xi-6xi-4i^2

9x^2-4i^2

we don't finish it yet...

i^2=-1

Let's replace it

9x^2-4*(-1)

\boxed{\boxed{9x^2+4}}
(a+b)(a-b)=a^2-b^2\n\n (3x-2i)(3x+2i)=\n 9x^2-4i^2\n \n i=√(-1)\n i^2=-1\n \n 9x^2-4\cdot (-1)=9x^2+4

In a right triangle, one leg measures 4 inches and the other leg measures 6 inches. What is the length of the hypotenuse in inches?

Answers

a^2+b^2=c^2

4^2 +6^2 =c^2
16+36=c^2
52=c²
Sqrt/52= 7.21

c =7.21

You have $22 in your bank account and deposit $11.50 each week. At the same time your cousin has $218 but is withdrawing $13 each week. When will your accounts have the same balance? (Hint: Write a system for the situation and solve)

Answers

After 8 weeks your accounts have the same balance.

What is an expression?

Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.

Given that;

You have $22 in your bank account and deposit $11.50 each week.

And, At the same time your cousin has $218 but is withdrawing $13 each week.

Let after x weeks your accounts have the same balance.

Hence, We can formulate;

⇒ $22 + $11.50x = $218 - $13x

Solve for x as;

⇒ 22 + 11.50x = 218 - 13x

⇒ 13x + 11.50x = 218 - 22

⇒ 24.50x = 196

⇒ x = 196 / 24.50

⇒ x = 8

Learn more about the mathematical expression visit:

brainly.com/question/1859113

#SPJ2

You = 22 + 11.50w
Cousin = 218 - 13w

it wants to know what w equals when You = Cousin
or
22 + 11.50w = 218 - 13w

first we can add 13w to both sides
24.50w + 22 = 218

then we can subtract 22 from both sides 
24.50w = 196

then we divide both sides by 24.50
so
w = 196 / 24.50 = 8

therefore it would take 8 weeks for the accounts to have the same balance