Why is 7 + sqrt(9) not equal to sqrt(7+9)

Q: Find the distance between -5 and 3 on the real number line.

A: The distance between -5 and 3 on the real number line is,

Q: The diameter of the front wheels of a tractor is 0.8m and the diameter of the back wheels is1.1m .…

A: We know that, when a wheel of diameter d finished one complete rotation, the distance it covers is…

Q: Please explain how the square root property is related to the difference of squares.

A: The square root property says: If x2=a then, taking square roots, x2=a     x=±a Now, solving the…

Q: the square has sides 7z4 decimeters. find its area

A: Area of square= side^2

Q: An open-typed rectangular box is to be made from a piece of cardboard 24 cm long and 9 cm wide by…

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Q: How do you write a mathemcatical model for extending the sides of a rectangle?

A: First  we  take  a rectangle  of length  x   unit  and breadthy unit where  x≠y   Now  we extending…

Q: How many right triangles have a hypotenuse that measures 4x + 5 inches and legs that measure 3x + 13…

A: Given: Hypotenuse of right triangle is 4x+5 inches and legs are 3x+13 inches and x inches. To…

Q: When I use the square root property to determine the length of a right triangle’s side, I don’t even…

A: We know that length of side in any polygon is always greater than zero So, when we find length of…

Q: What is the degree of the term 7a2? 丼

A: Concept Used:Degree of polynomial:It is the value of the greatest exponent of any expression except…

Q: Rationalize the denominator. -13/squarroot x

A: Given expression is -13x.

Q: Why can't "a-b" equal "b-a"? assuming a and b are nonzero real numbers

A: We have to show that (a-b) ≠b-a  by using a & bare non zero real number

Q: What is the completeness property of the real numbers?

A: Define completeness property of the real number.

Q: Can the cube be “tripled”?

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Q: (sqrt-80)/(sqrt5)

A: Square root -1 =i. So we use i there . And factor 80 .And square root 16=4 .

Q: 7=63 -4X %3D b,

A: we have to solve question for x

Q: 2. Show that the sum of the squares of the distances of the vertex of the right angle of a right…

A: In this sum we are going to use the Pythagorean theorem and the concept of similar triangle.…

Q: What value can you add in the blank in the expression x2 + 6x + 3 + square? to complete the

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Q: What is the height of the small sail if the scale factor of the enlargement is 2.50?

A: Let the height of the small sail is = x cm

Q: The right triangle drawn on the road sign is 10 inches high. If the base of the right triangle is 5…

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Q: What is the area of a triangle in square feet whose base is 9 feet and whose height is half its base

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Q: Two opposite side: rectangle is 11 squ

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Q: Consider a square whose side is 1 unit. If the measure of its side is doubled, what will be it new…

A: Area of smaller square is 1×1=1 unit2

Q: What are the dimensions of a right triangle with a ten-inch hypotenuse and an area of 25 square…

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Q: Is square root of 11 a real number

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Q: 4.The area of a rectangular wall of a barn is 64 square feet. Its length is 8 feet longer than twice…

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Q: A farmer has 900ft of fencing and wants to fence off a rectangular vegetable field . What are the…

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Q: A triangle has side lengths of (5.5x+6.2y) centimeters, (4.3x+8.3z) centimeters, and (1.6z – 5.1y)…

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Q: applies to func

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Q: An office wants to create a cubicle for a new employee. The cubicle will be rectangular , with three…

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Q: he hypotenuse of right triangle is 5 cm longer than one leg and 10 cm longer than the other leg.…

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Q: What is the smallest positive integer value of x where y=2x exceeds y=5x+7? What is the…

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Q: What is the simplifies form of (11 - 7i) - (-3 + 12i)

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Q: What are two formulas for finding the area of a square?

A: Case 1: If the length of the side is given, then the formula to find the area is…

Q: The distance between (5,1),(-2,b) is square root of 85. What is b?

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Q: Are you able to find all integers above and below a square root like the square root of 77?

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Q: Is there an intuitive or creative way to remember quadratic formula?

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Q: How does the area of the outer squarecompare with the area of the inner square?

A: Let the figure be as shown in the picture above.Let length of side of outer square = xThat means.AC…

Q: Simplify the fractional expression. (Expression like these arise in calculus.)

A: 1+x3-14x32

Q: Is sqrt of b^4 - sqrt of y^3 the same as sqrt of (b^4 - y^3)?

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Q: Lance was excited when he saw a listing for a corner lot 30 meters on one end and 40 meters on the…

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Q: The width of a rectangular area is 10 m and its height is (2x – 4) m. If the area is less than 80…

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Q: Proctice Competing 2x416x+9%=1 Square 4v2-14r+49=9 the

A: Given that: 2. x2+6x+9=14. x2-14x+49=96. x2-8x+16=8     NOTE: As per our answering guidelines, we…

Q: An office wants to create a cubicle for a new employee. The cubicle will be rectangular , with three…

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Q: In terms of π, how much longer is the crust on a pizza with a radius of 10 inches than the crust of…

A: The radius of one pizza is 10 inches and radius of another pizza is 5 inches. The amount of the…

Q: How can you Identify between rational and irrational numbers?

A: A rational number is a number that can be expressed as the quotientor fraction p/q of two integers ,…

Q: How is the area of a square related to its side length?

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Q: get

A: Given,

Q: How is the answer 7920 divided by the square root of 5904?

A: Since you have asked multiple questions in single request.so we will answering only first question.