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4 years ago

What is the square root of 19874

Mathematics

2 answers:

8_murik_8 [283]4 years ago

5 0

Answer:

Hi there! The square root would be 140.97517512.

Hope this helps! Brainliest appreciated!

Marta_Voda [28]4 years ago

5 0

Decimal form is 140.975175119593

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Determine if the expression - 8n ^ 2 * m ^ 4 + 9m ^ - 1 * n ^ 2 + 6n ^ 4 * is a polynomial or not. If it is a polynomial, state

vovangra [49]

Step-by-step explanation:

In mathematics, a polynomial is an expression consisting of indeterminates and coefficients, that involves only the operations of addition, subtraction, multiplication, and non-negative integer exponentiation of variables.

since there is a term of m^-1 (a negative exponent) that we cannot combine with others (as it is not multiplied with another m-based term), it is NOT a polynomial.

8 0

3 years ago

What are the first five partial sums of the arithmetic sequence an = 0.05(n – 1) – 0.6?

Gnoma [55]

The sum of the arithmetic sequence given by
an = 0.05(n – 1) – 0.6
will be given by:
a1=0.05(1-1)-0.6=-0.6
a2=0.05(2-1)-0.6=-0.55
a3=0.05(3-1)-0.6=-0.5
a4=0.05(4-1)-0.6=-0.45
a5=0.05(5-1)-0.6=-0.4
thus the summation will be:
-0.6+(-0.55)+(-0.5)+(-0.45)+(-0.4)
=-2.5
hence
S5=-2.5

5 0

4 years ago

A piece of wire 25 m long is cut into two pieces. One piece is bent into a square and the other is bent into an equilateral tria

fomenos

Answer:

Wire used for square is 7.55 m.

Step-by-step explanation:

Let the length of wire cut for square be 'x'.

Given:

Total length of the wire = 25 m

Length of wire for square = 'x'

Length of wire for equilateral triangle = $25-x$

Now, area of square (a) = $x^2$

Area of equilateral triangle (e) is given as:

$e=\frac{\sqrt3}{4}(25-x)^2$

Now, total area (A) is given as:

$A=a+e\\\\A=x^2+\frac{\sqrt3}{4}(25-x)^2$

Now, in order to maximize 'A', the derivative of area with respect to 'x' must be 0.

∴ $\frac{dA}{dx}=0$

$\frac{d}{dx}(x^2+\frac{\sqrt3}{4}(25-x)^2)=0\\\\2x-\frac{\sqrt3}{2}(25-x)=0\\\\2x+\frac{x\sqrt3}{2}=\frac{25\sqrt3}{2}\\\\x(2+\frac{\sqrt3}{2})=\frac{25\sqrt3}{2}\\\\x(4+\sqrt3)=25\sqrt3\\\\x=\frac{25\sqrt3}{4+\sqrt3}=7.55\ m$

Therefore, the length of the wire that is cut for square should be 7.55 m for maximum area.

3 0

3 years ago

Eduardo's definition of parallel lines is two lines that never meet. Is he correct? In two or more complete sentences, explain w

Ratling [72]

The definition of parallel lines is; two lines that are always the same distance apart and never touch. In order for two lines to be parallel, they must be drawn in the same plane, a perfectly flat surface like a wall or sheet of paper. ... Any line that has the same slope as the original will never intersect with it.

3 0

3 years ago

Read 2 more answers

Answer to the question

stellarik [79]

Answer:

x = 4

Step-by-step explanation:

180 = 102 + 24x - 18

102 - 18 = 84
subtract 84 from both sides
96 = 24x
divide both sides by 4
4 = x

5 0

3 years ago