prove or disprove. Write your choice on the line. You may not do extra for bonus here. You must use full sentences to receive full credit. You will likely use some equations. Just be sure to connect everything with sentences. (b) For all rational numbers a and b, ab is rational.

Q: Modify and manipulate the following equation in order to solve for the variable without fractions.…

A:

Q: John lines up all 15 plants in his garden. The plants are arranged so that the right- most plant is…

A: The mid range of a data set is given by the arithmetic mean of Maximum and Minimum data point, that…

Q: 2) Solve the following. State the values that make the rational equation undefined and check your…

A: Solution: The objective is to solve the given expression

Q: Nine subtracted from the product of  4  and a number is less than or equal to  −28 . Use the…

A: Given,          Nine subtracted from the product of 4 and a number is less than or equal to −28.

Q: The hypotenuse of a right triangle is twice the length of one of its legs. The length of the other…

A: Given : The hypotenuse of a right triangle is twice the length of one of its legs. The length of the…

Q: X. 19° 20

A: You know, in a right-angled triangle:

Q: 2. Let b and c be rational numbers and consider the quadratic equation a2+ba +c = 0, with solutions…

A:

Q: Solve the following equation involving rational expressions. Then identify the equation as an…

A:

Q: The hypotenuse of a right triangle is one inch longer than the shortest side. The short side is…

A: follow 2nd step.

Q: x+3 8

A: Two secant lines intersects outside the circle  (A+B)·B=(C+D)·D

Q: а (1+3х)-3 b (1 + £x)* с (1+2х)

A: Formulas used           (1+ax)n = 1+n (ax) + n(n-1)2!(ax)2+n(n-1)(n-2)3!(ax)3+....(1-ax)n = 1-n (ax)…

Q: use an algebraic approach to solve each problem. Suppose that the width of a certain rectangle is 1…

A: Consider the length of the rectangle is represented  by "l" and the width of the rectangle is…

Q: Solve for x. 6. 15 2.

A:

Q: A rectangular banquet room has an area of 182 square meters and a perimeter of 54 meters. Let I and…

A:

Q: Six more than twice a number is greater than negative fourteen. Find all numbers that make this…

A: Let the numbers required to make the statement true be x. We need to obtain the inequation and then…

Q: Make x the subject of the formula- y = (4x+7)/5

A: It is simple calculation.

Q: 5. y"+(x- 2)y = 0. Solve for about x =2

A: Given differential equation is ,                                     y" + (x-2)y = 0 (.)    x = x0…

Q: Find the distance between the two points. Simplify your answer, and write the exact answer in…

A:

Q: A rectangle is drawn so that the width is 3 feet shorter than the length. The area of the rectangle…

A:

Q: What two points are a distance of 7 units from the point 4 on the number line? A -3 and 11 -3 and…

A:

Q: Choose the property of real numbers that justifies the equation. a1 = a (Choose one) (s-4) e = 8…

A: To write the properties of real number:a·1=a8·4·c=8·4·c9·(b+2)=9·b+9·cd+(-d)=0

Q: Use an algebraic approach to solve the problem. Suppose that the width of a certain rectangle is 1…

A: Use an algebraic approach to solve the problem. Suppose that the width of a certain rectangle is 1…

Q: Solve. Express your answer using interval notation. Illustrate your solution on a number line. 5x +1…

A:

Q: Use an algebraic approach to solve the problem. Find a number such that one-half of the number is 6…

A: Given:   One half of the number is 6 less than  two-thirds of the number. Find : The value of the…

Q: use an algebraic approach to solve each problem. The average of the salaries of Tim, Maida, and…

A: It is given that the average salaries of Tim, Maida and Aaron is $34,000 per year. Maida earns…

Q: X/7 - 4 greater than or equal to 3  the solution set is

A: Given:

Q: A triangle has sides with lengths that are consecutive odd integers. The perimeter of the triangle…

A: we have to find the largest side

Q: What will the right hand side of the equation below be equal to after you isolate for the expression…

A: Using property  of modulus x=a⇒x=±a

Q: Twice a number is added to 7 the result is less than 17. Find the number.

A: Twice a number is added to 7 the result is less than 17.

Q: set up an equation and then solve the problem. The denominator of a rational number is 9 less than…

A: Given, the denominator of a rational number is 9 less than three times the numerator and the number…

Q: Give your answer as an interval. Solve: |x−9|>2 2x+5|≤−2

A: We solve here inequality

Q: wenty-five less than ten times a number is equal to forty-five. What is the number? AO BO -2 CO 11/5…

A: Topic = Algebra

Q: A positive integer is 5 less than another. If the reciprocal of the smaller integer is subtracted…

A:

Q: 2. Solve x = 8, where x is a real number. Simplify your answer as much as possible.

A: In given question, concept of solution of equation is applied. Solution of equation The set of all…

Q: over 13 is it less than, greater than or equal to 0.62

A: Here, 8 over 13 means 8÷13=0.615 or 0.62 (approximately).

Q: Choose the property of real numbers that justifies the equation. C.0 = 0 (Choose one) (Choose one)…

A: (1) We know that, According to the zero property of multiplication, the product of any number and…

Q: Determine the number of solutions: x - 6y -6 and x + 2y = 2. an infinite number O one O none

A:

Q: A 22-foot ladder leans against a building. The distance between the bottom of the ladder and the…

A: We use Pythagoras Theorem here. (Height)2 + (Base)2 = (Hypotenuse)2.

Q: 4.During the interschool basketball league, the Team A has won 12 out of 25 games with a winning…

A: We will answer the first question only as we don't answer multiple questions at a time. Please…

Q: Solve: 3125* –4 25 || (Write answers as integers or reduced fractions. Write DNE for Does Not…

A:

Q: 17.) The product of the two positive consecutive integers is no less than 56. Find the pairs of the…

A: Note:  We’ll answer the first question since the exact one wasn’t specified. Please submit a new…

Q: Solve. 5[5m – (m+ 4)]> – 8(m - 2) The solution set is (Type your answer in interval notation. Use…

A:

Q: The manufacturer of a brand of mattresses will make x hundred units available in the market when the…

A: To find the following parts, a). Find the number of mattresses, if the unit price is set at $300 per…

Q: Solve the following rational equations. You must show the extraneous solution if it appears. You…

A:

Q: The length of a rectangle is 4 feet less than 6 times the width. a. Let x represent the width of the…

A: Use linear equation to solve

Q: 50° Solve for the length of y. 8. 6.1 7.7 -2.1 5.1

A: We have to find y

Q: Find the distance between the two points. Simplify your answer, and write the exact answer in…

A: Use the distance formula,

Q: A prison sentence is less than 13 years? P (X<13) =

A: Given Mu=15 Standard deviations=1.8

Q: Solve x sqaured=8, where x is a real number. Simply your answer as much as possible.

A: Solve x squared = 8, where x is a real number. Simplify your answer as much as possible.

Q: step

A:

Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.