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8001.

Simplify:17 – 6 × 10 ÷ 2 + 12.

Answer» The solution of 17 – 6 × 10 ÷ 2 + 12 is-1.

Let us simplify the given arithmetic expression.

8002.

If the interest rate is zero, then $100 to be paid in 10 years has a present value that is less than $100, more than $100, exactly $100, Indeterminate.

Answer» If the interest rate is zero, then $100 to be paid in 10 years has a present value that is
less than $100, more than $100, exactly $100, Indeterminate.

Solution:

8003.

When Vijay sells 12 pens, he gains the selling price of 2 pens. Calculate his gain percentage.

Answer» When Vijay sells 12 pens, he gains the selling price of 2 pens. Calculate his gain percentage.

Solution:

8004.

What is the domain and range of the function f(x) = 3x + 5?

Answer» What is the domain and range of the function f(x) = 3x + 5?

Solution:

8005.

What is 180 degrees Celsius in Fahrenheit?

Answer» 180°Celsiusis equal to 356°Fahrenheit.

The two different types of units to measuretemperatureareCelsiusandFahrenheit.

8006.

Solve for x: -3(x + 3) = -3(x + 1) - 5. 6, -6, All real numbers, No solution

Answer» Solve for x: -3(x + 3) = -3(x + 1) - 5.
6, -6, All real numbers, No solution

Solution:

8007.

Divide 7/24 by 35/48 and reduce the quotient to the lowest fraction.

Answer» Divide 7/24 by 35/48 and reduce the quotient to the lowest fraction.

Solution:

8008.

What is the value of x? 14, 15, 16, 17

Answer» What is the value of x? 14, 15, 16, 17

Solution:

8009.

What is the area of triangle ABC?

Answer» The area of a triangle is the regionenclosed between the sides of the triangle.AreaofΔABC =1/2× Base× Height

Trianglesare three-sided closed figures.

8010.

What is 18%as a fraction?

Answer» 18%as a fraction is 9/50

Percent means per hundred or for every hundred. We represent it as %.

8011.

What is the ratio of the area of ABC to the area of ABD?

Answer» What is the ratio of the area of ABC to the area of ABD?

Solution:

8012.

Solve for x: 3 over 4, x + 5 over 8 = 4x

Answer» x = 5/26 in the equation3 over 4, x + 5 over 8 = 4x.

The question is based on simplifying analgebraic expression.

8013.

What is the perimeter of a triangle?

Answer» What is the perimeter of a triangle?

Solution:

8014.

How do you get 24 from 9, 6, 11and 3?

Answer» (11 - 6) × 3 + 9 = 24 or [(11 - 9) + 6]× 3 = 24

Fundamental operations are the basics of mathematics. These include addition, subtraction, multiplication, and division.

8015.

0,1, 2, 3, and4 are what kind of numbers?

Answer» 0, 1, 2, 3, and4 are numbers that belong to the set of whole numbers.

We will use the definition of whole numbers to answer this question.

8016.

How to find the center and radius of a circle?

Answer» The center and radius of a circle are C and r respectively.

A circle is formed by the set of points that are at a constant or at a fixed distance (radius) from a fixed point (center) in the plane.

8017.

Find the remainder when (x3-2) is divided by (x -1).

Answer» The remainder when (x3-2) is divided by (x -1)is -1

The dividend here is(x3-2) and (x - 1) is the divisor.

8018.

A force is a vector that has both magnitude and direction. True or False?

Answer» True, force is a vector quantity that has both magnitude and direction.

Force has a well-defined magnitude as well as direction.

8019.

Find the derivative of the function. f(x) = (2x -2)4 (x2+x+1)5.

Answer» Find the derivative of the function. f(x) = (2x -2)4 (x2+x+1)5.

Solution:

8020.

What is the solution to equation 1 over the square root of 8 = 4(m + 2)?

Answer» What is the solution to equation 1 over the square root of 8 = 4(m + 2)?

Solution:

8021.

Let f(x)=3x2-x+2 and g(x)=5x2-1. What is f(g(x))?

Answer» Let f(x)=3x2-x+2 and g(x)=5x2-1. What is f(g(x))?

Solution:

8022.

If u = (1 + i ) and v = (1 − i ), what is uv?

Answer» If u = (1 + i ) and v = (1 − i ), the value of uv is 2.

A complex number is the sumof a real number and an imaginary number.

8023.

What is 10% of 150?

Answer» 10% of 150 is 15.

A percentis a ratio of a number expressed out of100.

8024.

What is the vertex of f(x) = |x + 8| -3? (-8, -3); (-8, 3); (8, -3); (8, 3)

Answer» What is the vertex of f(x) = |x + 8| -3?
(-8, -3); (-8, 3); (8, -3); (8, 3)

Solution:

8025.

Find the general solution of the given second-order differential equation. y'' + 4y' + 4y = 0

Answer» Find the general solution of the given second-order differential equation. y'' + 4y' + 4y = 0

Solution:

8026.

What is1/4of 8?

Answer» 1/4of 8is 2.

Themultiplication of fractionsstarts with the multiplication of the given numerators, followed by the multiplication of the denominators.

8027.

What is 90degrees Fahrenheit in Celsius?

Answer» 90degrees Fahrenheit is equal to 32.22degrees Celsius.

CelsiusandFahrenheit are two different types of units used formeasuringtemperature.

8028.

Find the radius of a circle so that its area and circumference have the same value.

Answer» The radius of the circle is 2 unitsso that its area and circumference have the same value.

A circle is a two-dimensional curved plane. Every point on the circle is equidistant from the center.

8029.

How do you find the surface area of a rectangular prism?

Answer» The surface area of a rectangular prism is 2(lw+ wh + hl), where h is the height of the cuboid, wis the widthand l is the length.

Rectangular prisms are six-sided solids, which are used for various practical purposes. They are also called cuboids.

8030.

What is 2 1/8 as a decimal?

Answer» 2 1/8to decimal is 2.125

Decimalshavea whole numberand the fractional part separated by a decimal point. The decimalpresent between the whole number and fractions part is called the decimal point. For example, 3.5 is a decimal number.

8031.

What are the values of x in the equation x2 - 6x + 9 = 25?

Answer» What are the values of x in the equation x2- 6x + 9 = 25?

Solution:

8032.

What fraction of an hour is 40 minutes?

Answer» 40 minutes is 2/3rd of an hour.

In Mathematics, fractions are represented as a numerical value that can be defined as a part of a whole.

8033.

Show that any positive odd integer is of the form 6q + 1 or 6q + 3 or 6q + 5; where q is some integer.

Answer» Euclid’s division lemma is used to show thatany positive odd integer is of the form (6q + 1) or (6q + 3) or (6q + 5) where q is some integer.

Euclid's division lemmastatesthat if wedivide an integer by another integer (non-zero integer), wewill get auniqueinteger as quotientand auniqueintegeras remainder.

8034.

Given that f(x) = 5x -10 and g(x) = x + 3, solve for f(g(x)) when x = -1. -30, 0, 10, 12

Answer» Given that f(x) = 5x -10 and g(x) = x + 3, solve for f(g(x)) when x = -1.
-30, 0, 10, 12

Solution:

8035.

If the radius of a circle is 3 meters, how long is the arc subtended by an angle measuring 30°?

Answer» If the radius of a circle is 3 meters, how long is the arc subtended by an angle measuring 30°?

Solution:

8036.

If h(x) = 4x - 8 and j(x) = -x, solve h[j(3)] and select the correct answer below. -36, -20, 1, 4

Answer» If h(x) = 4x - 8 and j(x) = -x, solve h[j(3)] and select the correct answer below.
-36, -20, 1, 4

Solution:

8037.

Prove cos 3x = 4cos3x−3cosx

Answer» cos 3x = 4cos3x−3cosx

We can prove cos 3x = 4cos3x−3cosx using trigonometric identity

8038.

What is the value of f(x) = 2 • 2 x for f(-2)?

Answer» What is the value of f(x) = 2 • 2 x for f(-2)?

Solution:

8039.

In circle C, r = 32 units. What is the area of circle C?

Answer» In circle C, r = 32 units. What is the area of circle C?

Solution:

8040.

Complete the steps to evaluate the following expression, given log3a = -0.631, log3 a/3 log3 3 =

Answer» Complete the steps to evaluate the following expression, given log3a = -0.631, log3 a/3 log3 3 =

Solution:

8041.

Find all values of x that are not in the domain of g, where g(x) = (x - 7) / (x2- 3x - 10).

Answer» The values of x that are not in the domain of g, where g(x) = (x - 7) / (x2- 3x - 10)are x = -2 and x = 5.

Functions can be of many types, which include algebraic, trigonometric, or differential functions. We will solve this problem using algebraic functions.

8042.

Using the following equation, find the center and radius: x2 - 4x + y2 + 8y = -4

Answer» Using the following equation, find the center and radius: x2 - 4x + y2 + 8y = -4

Solution:

8043.

What number should be added to both sides of the equation to complete the square(x2-6x = 5)?

Answer» What number should be added to both sides of the equation to complete the square(x2- 6x = 5)?

Solution:

8044.

Find the LCM and HCF of the following integers by applying the prime factorization method: (1) 12, 15 and 21 (2) 17, 23 and 29 (3) 8, 9 and 25

Answer» (1) LCM(12, 15, 21) = 420, HCF(12, 15, 21) = 3 (2) LCM(17, 23, 29) = 11339, HCF(17, 23, 29) = 1 (3) LCM(8, 9, 25) = 1800, HCF(8, 9, 25) = 1.

Thelargest possible number which divides the given numbers exactly without any remainder is calledthehighest common factorof the given numbers.

8045.

What does 'of' mean in algebra?

Answer» In Algebra, 'of' means to multiply.

In Algebra, the word 'of' is commonly used in percentage and word problems, where it means that the given quantities should be multiplied.

8046.

What is 10/3as a Mixed Number?

Answer» 10/3in a mixed fraction is 3 1/3.

We can see 10/3is an improper fraction. This can be represented as a mixed number that will have a whole number as well as a fractional part.

8047.

What is sin x + cos x in terms of sine?

Answer» Answer : The expression for sin x + cos x in terms of sine issin x + sin (π/ 2 – x).

To convert sin x + cos x into sine expression we will be making use of trigonometric identities.

8048.

What is the future value of $10,000 on deposit for 5 years at 6% simple interest?

Answer» Thefuture value of $10,000 with 6% interest after 5years at simple interest will be$ 13,000.

Simple interest is the amount of interest chargedon a sum for a given period of time and at a givenrate.

8049.

What substitution should be used to rewrite 4x4 - 21x2 + 20 = 0 as a quadratic equation? u = x2 u = 2x2 u = x4 u = 4x4

Answer» What substitution should be used to rewrite 4x4 - 21x2 + 20 = 0 as a quadratic equation?
u = x2
u = 2x2
u = x4
u = 4x4

Solution:

8050.

Write an equation for the following transformation of y = x a vertical stretch by a factor of 6. y = 6x,y = x/6,y = x + 6,y = x - 6

Answer» Write an equation for the following transformation of y = x a vertical stretch by a factor of 6.

Solution: