Express D in the form Dx, Dy, where the x and y components are separated by a comma using two significant figures. The figure shows vectors A and B. Find Ď=2.4 Ā+B.

The answer is 12 or option (d)

I took the test~ good luck!

A. The price of the telephone after a 30% discount will be $27.986.

B. The discount in the form of a percentage will be 41.02%.

The amount of any product is given as though it was a proportion of a hundred. The ratio can be expressed as a quarter of 100. The phrase % translates to one hundred percent. It is symbolized by the character '%'.

The percentage is given as,

Percentage (P) = [Final value - Initial value] / Initial value x 100

Woolworths had a going-out-of-business sale. The price of a telephone before the sale was $39.98.

A.  The  price of the telephone after a 30% discount will be given as,

⇒ $39.98 x (1 - 0.30)

⇒ $39.98 x 0.70

⇒ $27.986

B.  If the sale price of the same telephone had been $23.99. Then the percentage is given as,

P = [(39.98 - 23.99) / 39.98] x 100

P = (15.99 / 38.98) x 100

P = 0.4102 x 100

P = 41.02%

More about the percentage link is given below.

https://brainly.com/question/8011401

#SPJ1

The root of the quadratic equation we get x=1

A quadratic equation can be written in the standard form as ax2 + bx + c = 0, where a, b, c are constants and x is the variable. The values of x that satisfy the equation are called solutions of the equation, and a quadratic equation has at most two solutions.

Given here: The quadratic equation x²+6x=7

now, x²+6x=7

        x²+6x+9=16

         (x+3)²=16

          x+3=4

            x=1

Hence, The root of the quadratic equation we get x=1

Learn more about quadratic equation here:

https://brainly.com/question/17177510

#SPJ1

The solution of the expression is,

⇒ s = - 775

To multiply means to add a number to itself a particular number of times. Multiplication can be viewed as a process of repeated addition.

We have to given that;

The expression is,

⇒ s / - 31 = 25

Now, We can simplify as;

⇒ s / - 31 = 25

Multiply by - 31 both side,

⇒ s = - 31 × 25

⇒ s = - 775

Thus, The solution of the expression is,

⇒ s = - 775

Learn more about the multiplication visit:

https://brainly.com/question/10873737

#SPJ1

Answer:

The Amplitude is 3

Step-by-step explanation:

How that helps

Answer:

The amplitude of this function is 4, which is calculated by subtracting the minimum value (1) from the maximum value (5).

Step-by-step explanation:

For the equation y=mx+b, we need to identify "b" (the y-intercept).

For the equation y=mx+b, we need to identify "b" (the y-intercept).

If you are familiar with the slope (m), you can utilize any of the given points by replacing the Y value with y and the X value with x.

Find the solution to b = Y-mX.

The quantity m is known as the line's slope in the equation for a straight line, y = mx + b.

If x is set to 0, then y will equal b because it will equal m • 0 + b.

The graph's y-axis crossing point, designated by the number b, is located there.

To determine the y-intercept, use the slope and a single point (b).

To learn more about value refer

https://brainly.com/question/11546044

#SPJ1

The milk will be served in cups to make it easier for them to consume, we are switching from the larger unit (i.e. quarts) to the smaller unit (i.e. cups).

4 cups or 2 pints are equivalent to one quart (qt). We can switch to utilizing gallons if we still need extra liquid. 16 cups, 8 pints, or 4 quarts make up a gallon (gal). It is a measurement of the largest liquid.

Servings per cup are divided at a rate of 9 servings to 3 cups, or 3 servings per cup. In a quart, there are 4 cups. In 2 quarts, there are 8 cups. In 4 quarts, there are 16 cups.

Servings per cup are divided at a rate of 9 servings to 3 cups, or 3 servings per cup.

1 quart = 4 cups

2 quarts = 2 × 4 quarts = 8 cups

3 servings/cup × 8 cups = 24 servings

The complete question is:

A recipe uses 3 cups of milk to make 9 servings. If the same amount of milk is used for each serving, how many servings can be made from two quarts?

1 gallon = 4 quarts

1 quart = 2 pints

1 pint = 2 cups

1 cup = 8 fluid ounces

Before you try that problem, answer the question below.

How many cups will you need to find the number of servings for?

To learn more about quart and cups refer to:

https://brainly.com/question/3071800

#SPJ4

Using the formula of compound interest and simple interest, the investment option that is better is at interest rate of 3.99% which is compounded monthly

To compare the investment options, you need to calculate the future value of each investment after 8 years. Here's a breakdown of each option:

A. 3.99% compounded monthly: This option earns interest every month and compounds, meaning the interest is added to the principal, so future interest is earned on the increased principal amount. This type of interest compound is the most advantageous to the investor. The formula for calculating the future value for this option is:

FV = P * (1 + r/n)^(nt)

FV = 12000(1 + 0.0399 / 12) * (12 * 8)

FV = $16,503.58

where P is the principal ($12,000), r is the annual interest rate (3.99%), n is the number of times the interest is compounded in a year (12 times), t is the number of years invested (8 years).

B. 4% compounded quarterly: This option earns interest every quarter and compounds. The formula for calculating the future value is the same as option A, with the only difference being the number of times the interest is compounded in a year (n=4).

Substituting the values into the formula;

FV = $16,499.29

C. 4.175% compounded annually: This option earns interest once a year and compounds. The formula for calculating the future value is the same as options A and B, with the only difference being the number of times the interest is compounded in a year (n=1).

Substituting the values into the formula

FV = $16,645.21

D. 4.2% simple interest: This option earns interest once a year based on the original principal amount and does not compound. The formula for calculating the future value for this option is:

FV = P(1 + rt)

FV = 12000 (1 +  0.042 * 8)

FV = $16032

Learn more on on compound interest here;

https://brainly.com/question/3989769

#SPJ1

The value of the indefinite integral [tex]\int [z^2 + \frac{1}{(1-z)^8}]dz[/tex] will be [tex][ \frac{(z)^3}{3} - \frac{1}{7(1-z)^7}] + c[/tex].

Given that:

[tex]\begin{aligned} I &= \int \left [z^2 + \dfrac{1}{(1-z)^8}\right] dz \end{aligned}[/tex]

The indefinite integral, also known as an antiderivative, represents the family of functions whose derivative is equal to the given function. It is denoted by the symbol ∫.

Integration is a way of finding the total by adding or summing the components. It's a reversal of differentiation, in which we break down functions into pieces. This approach is used to calculate the total on a large scale.

Let 1 - z = u, then -dz = du and 1 - u = z. Then we have

[tex]\begin{aligned} I &= -\int \left [(1-u)^2 + \dfrac{1}{u^8}\right] du\\I &= \left [ \dfrac{(1-u)^3}{3} - \dfrac{1}{7u^7}\right] + c \\I &= \left [ \dfrac{(z)^3}{3} - \dfrac{1}{7(1-z)^7}\right ] + c\end{aligned}[/tex]

The value of the indefinite integral [tex]\int [z^2 + \frac{1}{(1-z)^8}]dz[/tex] will be [tex][ \frac{(z)^3}{3} - \frac{1}{7(1-z)^7}] + c[/tex].

More about the integration link is given below.

https://brainly.com/question/18651211

#SPJ12

Answer:

160%

Step-by-step explanation:

320 divided by 200, times 100 = 160%

Answer:

P = 24.997 cm

Step-by-step explanation:

the perimeter (P) is the sum of the 2 radii and the arc

the arc length is calculated as

arc = circumference of circle × fraction of circle

      = 2πr × [tex]\frac{90}{360}[/tex] ( r is the radius , here r = 7 )

      = 2 × 3.142 × 7 × [tex]\frac{1}{4}[/tex]

      = 43.988 ÷ 4

      = 10.997 cm

Then

P = 10.997 + 7 + 7 = 24.997 cm

Answer:

no solution is the answer

Answer:

-4/5

Step-by-step explanation:

To find the slope perpendicular to another slope, take the negative reciprocal. All you need to do is switch the numbers and change the sign.

ex.
2/3 becomes -3/2
-4/7 becomes 7/4

Answer:

Step-by-step explanation:

The end behavior of the function f(x) is defined as follows:

As x -> - ∞, f(x) -> ∞. As x -> ∞, f(x) -> 0.

The function for this problem is defined as follows:

y = 1.5(0.8)^x.

(converting the fractions to decimals).

The end behavior of a function is given by the limit of the function is the input x goes to either negative infinity or positive infinity.

When x -> -∞, (0.8)^(-∞) = (5/4)^∞ -> ∞, hence:

As x -> - ∞, f(x) -> ∞.

When x -> -∞, (0.8)^(∞) -> 0, as it has a base value with absolute value less than 1, hence:

As x -> ∞, f(x) -> 0.

More can be learned about the end behavior of a function at brainly.com/question/1365136

#SPJ1

Answer:

See the attached image.

Explanation:

Given the equation:

[tex]y=\left(\dfrac{1}{2}\right)^x + 1[/tex]

We can graph the top four points in the middle table, as they fit on the shown graph, and their coordinates are all integers:

[tex](-3,9)[/tex]   [tex](-2,5)[/tex]   [tex](-1,3)[/tex]   [tex](0,2)[/tex]

Then, we can draw a curve through the points and along the asymptote of the exponential function at [tex]y=1[/tex].

Note that the asymptote is drawn as a dotted line in purple.

The point a shows -2.9, b shows -2 5/8 and c shows -7/3.

A number line is a visual depiction of numbers on a straight line in mathematics. A number line's numerals are arranged in a sequential manner at equal intervals along its length. It is often displayed horizontally and can extend indefinitely in any direction.

Given:

We have first -7/3 which can be written as -2.33

and, -2 5/8 can be written as -21/8 or -2.625

and, the third is -2.9

So, the point a shows - 2.9.

and point b shows -2.625 or -2 5/8.

an point c shows -2.33 or -7/3.

Learn more about Number line here:

https://brainly.com/question/13425491

#SPJ1

The system of equations is:

y = -8x - 4

y = -x + 3

And the solution is (-1, 4).

Remember that a general linear equation is:

y = a*x + b

Where a is the slope and b is the y-intercept.

First we can see that one of the equations has an y-intercept of y = 3, then we can write:

y = a*x + 3

And that line also passes through (1, 2), replacing these values we will get:

2 = a*1 + 3

2 - 3 = a

-1 = a

So the line is:

y = -x + 3

The other line has an y-intercept of y = -4

Then we can write:

y = a*x - 4

And that line also passes through (-1, 4), replacing that:

4 = a*-1 - 4

4 = -a - 4

4 + 4 = -a

-8 = a

So that line is:

y = -8x - 4

Then the system of equations is:

y = -8x - 4

y = -x + 3

And the solution is the point where the lines intercept, which is (-1, 4)

Learn more about systems of equations at:

https://brainly.com/question/13729904

#SPJ1

The solution is after 3 yrs the populations of the two types of fish be the same.

An equation is a  mathematical statement that is made up of two expressions connected by an equal sign.  In its simplest form in algebra, the definition of an equation is a mathematical statement that shows that two mathematical expressions are equal. For instance, 3x + 5 = 14 is an equation, in which 3x + 5 and 14 are two expressions separated by an 'equal' sign.

here, we have,

let, after t yrs the populations of the two types of fish be the same.

so, we get,

5750-250t = 3500+ 500t

2250=750t

t=3

Hence, The solution is after 3 yrs the populations of the two types of fish be the same.

To learn more on equation click:

brainly.com/question/24169758

#SPJ1

The expression if a = -2/7 than -a = 1/2 is a false statement.

The opposite of a number is obtained exchanging just the signal of the number.

The number for this problem is given as follows:

a = -2/7.

The signal is negative, hence the opposite of the number is given as follows:

-a = -(-2/7)

-a = 2/7. (two negatives become a positive).

As the problem states that the opposite is of -a = 1/2, the statement is false.

More can be learned about the opposite of a number at https://brainly.com/question/10488315

#SPJ1

The volume of the solid is 16π/3 cubic units.

What is the volume of the solid?

The volume of a solid in mathematics is the measure of the space occupied by the solid. It can be calculated using methods such as the disk method or the shell method, depending on the shape of the region being rotated.

To find the volume of the solid obtained by rotating the region bounded by the curves y^2 = x and x = 2y about the x-axis, we would use the disk method. The disk method involves slicing the solid into infinitesimally thin disks, and adding up the volumes of these disks.

First, we need to find the equations for the curves y^2 = x and x = 2y. The first curve is already in the correct form, but the second curve can be rearranged to get y = x/2. Then, we can find the bounds of integration by finding the intersection of the two curves. These bounds are x = 0 and x = 4.

Next, we can set up the integral for the volume:

V = π ∫_0^4 (x/2)^2 dx

Evaluating this integral gives:

V = π/3 (x^3/2) evaluated from 0 to 4

V = π/3 [8/2 - 0/2]

V = π/3 (8) = 16π/3 cubic units

Hence, the volume of the solid is 16π/3 cubic units.

To learn more about the volume of the solid, visit:

https://brainly.com/question/20284914

#SPJ4

The height of the next bounce which is on the third bounce will be 12.8 feet.

A series of non-zero integers where every term after the first is obtained by increasing the one before it by a constant, non-zero value known as the scale factor.

Let a₁ be the first term and r be the common ratio.

Then the nth term of the geometric sequence is given as,

aₙ = a₁ · (r)ⁿ⁻¹

Then the common ratio is given as,

r = 80 / 200

r = 0.40

The height of the next bounce will be given as,

a₄ = 200 · (0.4)⁴⁻¹

a₄ = 200 · (0.4)³

a₄ = 200 · 0.064

a₄ = 12.8 feet

The height of the next bounce which is on the third bounce will be 12.8 feet.

More about the geometric sequence link is given below.

https://brainly.com/question/11266123

#SPJ1

The unsigned decimal equivalent of the following unsigned binary integer value

(11011100)₂ will be (220)₁₀.

An integer variable that can only be either zero or one is referred to as a binary integer variable, often known as a 0/1 variable.

Start with the integer in question and divide it by 2 keeping track of the quotient and remainder to convert it to binary. Divide the quotient by 2 again until you reach zero. The remainders should then be written out in reverse order.

Learn more about integer on:

https://brainly.com/question/929808

#SPJ1

What is the unsigned decimal equivalent of the following unsigned binary integer value?

11011100

T symbol in statistics means Test statistic for t-test ( t-score )

What is  t-statistic ?

The t-statistic in statistics measures how far an estimated value of a parameter deviates from its hypothesised value in relation to its standard error.

T symbol in statistics mean Test statistic for t-test (  t-score )

Through the Student's t-test, it is utilised for testing hypotheses. To decide whether to accept or reject the null hypothesis in a t-test, the t-statistic is used.

It is quite comparable to the z-score, but when the sample size is small or the population standard deviation is unknown, the t-statistic is employed instead.

For instance, if the population standard deviation is unknown, the population mean can be estimated using the t-statistic from a sampling distribution of sample means.

To learn more about the t-statistic from the given link

https://brainly.com/question/15110538

#SPJ4

We need 32 rows in the truth table that would use to evaluate a logical statement in five variables.

It is TRUE.

Now, According to the question:

A truth table provides a method for mapping out the possible truth values in an expression and to determine their outcomes. The table includes a column for each variable in the expression and a row for each possible combination of truth values.

A truth table has one column for each input variable (for example, P and Q), and one final column showing all of the possible results of the logical operation that the table represents (for example, P XOR Q).

The formula to calculate the number of rows is equal to 2ⁿ, where n is the number of basic statement letters involved.

Number of rows = 2ⁿ

If the number of variables in a truth table is 5, then the number of rows = 2⁵

2⁵ = 2×2× 2× 2× 2

= 32

Learn more Truth table at:

https://brainly.com/question/29155453

#SPJ4

We obtained the solutions by solving the system via substitution:

x = 2/3, y = 8/3.

We should probably start by solving problem number 5 in the system of equations.

The set of equations is as follows:

y = x + 2

3x + 3y = 6

We must isolate one of the variables from one of the equations before substituting it in the other equation to solve it via substitution.

Since "y" is already isolated in the first equation, for instance, we can utilize it to replace it in the second equation.

3x + 3y = 6

3x + 3*(y = x + 2) = 6

3x + 3*(x + 2) = 6

We now have an equation that depends just on x, allowing us to solve it:

3x + 3x + 2 = 6

6x + 2 = 6

6x = 6 - 2 = 4

x = 4/6 = 2/3.

The value of y can now be determined using the first equation:

y = x + 2 = 2/3 + 2 = 2/3 + 6/3 = 8/3.

The answer is then:

x = 2/3 and y = 8/3.

To Learn more About substitution Refer To:

brainly.com/question/25869125

#SPJ4

The Complete Question

Unit 5: Systems of Equations & Inequalities Homework 2: Solving Systems by Substitution

A cubic close-packed (ccp) unit cell has a coordination number of 12.

A cubic close-packed (ccp) unit cell has an arrangement of atoms where each atom is surrounded by 12 other atoms, resulting in a coordination number of 12.

A cubic close-packed (ccp) unit cell is a type of unit cell that has an arrangement of atoms where each atom is surrounded by 12 other atoms. This arrangement forms a structure with a coordination number of 12, meaning that each atom has 12 other atoms in contact with it. This type of arrangement is very common in many materials, and is often used to describe the structure of metals and other crystalline materials. The atoms in a ccp unit cell are arranged in a regular pattern, with three atoms in each of the eight corners and four atoms in the center of each face of the unit cell.

Learn more about cells: https://brainly.com/question/2622341

#SPJ4

By integrating the function f(x,y)=xy with respect to x and y across the specified area, it is possible to determine the solid's volume. This will reveal the solid's overall volume beneath the function's graph.

By integrating the function with respect to both x and y, it is possible to determine the volume of the solid above the specified region and under the graph of the function f(x,y)=xy. This will provide us with the solid's overall volume. We must integrate the function over the specified area in order to determine the volume. The integration will be carried out first with regard to x and subsequently with regard to y. The x integral will have a lower limit of 0 and an upper limit of 4, whereas the y integral will have a lower limit of 0 and an upper limit of 3. We shall obtain the total volume of the solid under the function's graph and above after integrating.

Learn more about volume here

https://brainly.com/question/16134180

#SPJ4

The proof that can be used to show that this is an isosceles triangle has been given below

A cyclic quadrilateral is a quadrilateral whose vertices lie on the same circle. In this case, since ABCD is a cyclic quadrilateral and arc AD = arc DC, it follows that the opposite angles of the quadrilateral are equal. Let's call the equal angles of the quadrilateral "x."

Since AB = CE, we can use the angle-angle criterion for congruent triangles to prove that triangle ABD is congruent to triangle ECD:

ADB and CDE are both right angles, and the equal angles x in triangle ABD and CDE both add up to 90 degrees.

So, by the angle-angle criterion, triangle ABD is congruent to triangle CDE.

Since AB = CE and ABD is congruent to CDE, we can conclude that triangle ABD is isosceles.

Read more on isosceles triangle here:https://brainly.com/question/29793403

#SPJ1

Equivalent expression becomes -

(-3x² + x⁴ + x) + (2x⁴- 7 + 4x) = option: D

(x² - 2x) (2x + 3) = option: A

Mathematical expressions consist of at least two numbers or variables, at least one arithmetic operation, and a statement. It is possible to multiply, divide, add, or subtract in math. Any mathematical statement with variables, numbers, and an arithmetic operation between them is called an expression or an algebraic expression. For instance, 10m + 5 is an expression including the terms 10m and 5 as well as m, the variable of the supplied expression, all separated by the arithmetic sign "+".

Simplification:

= (-3x² + x⁴ + x) + (2x⁴- 7 + 4x)

= - 3x² + 3x⁴ + 5x - 7

= 3x⁴- 3x²  + 5x - 7

option : D

= (x² - 2x) (2x + 3)

= 2x³ + 3x² - 4x² - 6x

= 2x³ - x² - 6x

option: A

To know more about expression refer to:

https://brainly.com/question/1859113

#SPJ1