A book costs $7 more than a record. Together they cost $25.
How much does the record cost? _____

Answer:

The answer is 1

Step-by-step explanation:

because on a graph with the 2 points the slope goes by 1/1

Answer: Width = 5 inches

Concept:

Here, we need to know the idea of the perimeter.

A perimeter is a path that encompasses/surrounds/outlines a shape.

Perimeter of rectangle = 2 (w + l)

w = width

l = length

If you are still confused, please refer to the attachment below for a graphical explanation.

Solve:

w = w

l = 3w - 2

P = 36 inches

Given formula

P = 2 (w + l)

Substitute the value into the formula

36 = 2 (w + 3w - 2)

Simplify values in the parentheses

36 = 2 (4w -2)

Divide 2 on both sides

36 / 2 = 2 (4w - 2) / 2

18 = 4w - 2

Add 2 on both sides

18 + 2 = 4w - 2 + 2

20 = 4w

Divide 4 on both sides

20 / 4 = 4w / 4

w = 5

Hope this helps!! :)

Please let me know if you have any questions

After executing this code, the object "stats" will contain the vector of odd numbers: 21, 23, 25, 27, 29.

To assign a vector of odd numbers between 20 and 30 to an object called "stats" in a programming language like R, you can use the following code:

stats <- seq(21, 29, 2)

Here's how this code works:

seq() is a function in R used to generate a sequence of numbers.

We specify the starting point as 21 (the first odd number between 20 and 30).

The endpoint is set to 29 (the last odd number between 20 and 30).

The third argument, 2, indicates the step size. By setting it as 2, we ensure that only odd numbers are included in the sequence.

The resulting sequence of odd numbers between 20 and 30 is then assigned to the object called "stats" using the assignment operator <-.

After executing this code, the object "stats" will contain the vector of odd numbers: 21, 23, 25, 27, 29.

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Answer

5

All you need to know to solve this problem is the pythogorean theorem. If you draw an imaginary line to make a triangle and a rectangle, you already know the height is 4. To find the base, you know that the bottom length is 9 and the top is 6 so 9-6 =3, which is the length of only the left side of the imaginary line.

So 4^2 + 3^2 = c^2

25 = c^ 2

5 = c

Hope that helps!

Answer:

they will collide in 4 seconds

Im assuming this is one of those things that you move the dots around and the line goes with it...?

you would want to put one of the dots on the point (2,-3) because that needs to be on the line, then you put the other dot 3 units up and 4 units over from that which would be at (5,1) because that's the slope specified

M<2 is 110° and m<1 is 70° bc it’s supplementary angles so 180-110=70°

Step-by-step explanation:

Answer:

Root( c square -9)

Step-by-step explanation:

The answer u have is the answer for a^2

Answer:

Root (c square -9)

Step-by-step explanation:

The correct comparison is √11 < 5.4, Ross's error is √11 ≠ 5.5

Comparing numbers in math is defined as a process or method in which one can determine whether a number is smaller, greater, or equal to another number according to their values.

Given that, Ross is comparing the square root of 11 and 5.4. He says that the square root of 11 > 5.4 because the square root of 11 = 5.5.

We need to find the correct comparison and the error he made,

So,

√11 = 3.3

Therefore,

√11 < 5.5

Since, Ross was saying √11 = 5.4, so he was wrong here.

Hence, the correct comparison is √11 < 5.4, Ross's error is √11 ≠ 5.5

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Answer:

\(A' = (-4,4)\)

\(B' = (2,6)\)

\(C' = (2,0)\)

Step-by-step explanation:

Given [Missing from the question]

\(A = (-2,2)\)

\(B= (1,3)\)

\(C= (1,0)\)

\(k = 2\) --- scale factor

Required

The new coordinates

The new coordinate is calculated by:

\(New = Old * k\)

So, we have:

\(A' = A * 2\)

\(A' = (-2,2) * 2\)

\(A' = (-4,4)\)

\(B' = B * 2\)

\(B' = (1,3) * 2\)

\(B' = (2,6)\)

\(C' = C * 2\)

\(C' = (1,0) * 2\)

\(C' = (2,0)\)

Answer:

14 inches of snow on the first day

Step-by-step explanation:

18+x=32

Subtract 18

x=14

14 inches of snow on the first day

9514 1404 393

Answer:

  XY = 11

Step-by-step explanation:

  XY = YZ

  3x +2 = x +8

  2x = 6 . . . . . . . . . subtract x+2

  x = 3

  XY = 3 +8 . . . . . . . . x +8 is the same as 3x+2

  XY = 11

Answer:

\(\boxed {\boxed {\sf XY= 11}}\)

Step-by-step explanation:

We are asked to find the value of XY.

We know that Y is the midpoint of XZ. The midpoint of a line bisects the line or divides it into 2 equal parts. The point Y divides the line XZ into 2 parts : XY and YZ. Since Y is the midpoint, XY and YZ are equal.

\(XY= YZ\)

We know that XY is equal to 3x+2 and YZ is equal to x+8.

\(3x+2=x+8\)

Now we can solve for x by isolating the variable. Move all the terms with variables to one side and the constants to the other side. Subtract x from both sides of the equation.

\((3x-x) +2 = (x-x)+8\)

\(2x+2=8\)

Subtract 2 from both sides of the equation.

\(2x+(2-2)= (8-2)\)

\(2x=6\)

Divide both sides of the equation by 2.

\(2x/2= 6/2\)

\(x= 6/2 \\x=3\)

Now we know that x is equal to 3 and we can substitute it back into 3x+2 to solve for XY.

\(XY= 3x+2 \\XY=3(3) +2\\XY=9+2 \\XY=11\)

Answer:

3.45782 x 10^4

Step-by-step explanation:

The matchup are:

Reflection is known to be the turning over an object across a line and it is one where we do not need to change its size or shape.

While Translation is said to be sliding a figure into another direction and it is one where we do not need to change its size, shape or make.

The Translation  and reflection matchup are given:

See full question below

Match each function formula with the corresponding transformation of the parent function y = 5-^x Please help ASAP!!

1. y = 5x

Translated left 5 units

2. y = 5–x + 5

Translated right by 5 units

3. y = 5–x – 5

Translated up by 5 units

4. y = 5–x+ 5

Translated down by 5 units

5. y = –5–x

Reflected across the x-axis

6. y = 5–x – 5

Reflected across the y-axis

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The Boolean duality principle is a fundamental concept in Boolean algebra which states that any statement or expression in the algebra can be transformed into an equivalent form by interchanging the roles of AND and OR operators, as well as 0's and 1's.

The Boolean duality principle, also known as De Morgan's laws, is a fundamental concept in Boolean algebra that states that every Boolean expression remains valid if you perform the following steps:
1. Swap AND (⋅) operators with OR (+) operators and vice versa.
2. Replace all 1's with 0's and all 0's with 1's.
3. Complement (invert) all variables.
In other words, the Boolean duality principle allows us to derive a dual expression from an original Boolean expression by applying these transformations. This principle is useful in simplifying Boolean expressions and designing digital circuits.

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Answer:

= −6

Step-by-step explanation:

Answer:

x = -6

Step-by-step explanation:

-14x + x + 6 = -14

-14 - (-14) = 0

x + 6 = 0

x = 0 - 6

x = -6

(a) If a is finite, then we know exactly how many elements are in a. For example, if a = {1, 2, 3}, then we know that a has three elements. In this case, we can tell exactly how big a is.

(b) If a is countably infinite, then we know that a has the same cardinality (size) as the set of natural numbers.

This means that we can put the elements of an in a one-to-one correspondence with the natural numbers.

For example, if a = {2, 4, 6, ...}, then we can list the elements of an as a_1 = 2, a_2 = 4, a_3 = 6, and so on. In this case, we can tell how big a is, but it's an infinite size.

(c) If a is uncountable, then we know that a is larger than the set of natural numbers. This means that we cannot put the elements of an in a one-to-one correspondence with the natural numbers.

For example, if a is the set of all real numbers between 0 and 1 (excluding 0 and 1 themselves), then there are uncountably many elements in a. In this case, we can't tell exactly how big a is, but we know that it's larger than the set of natural numbers.

(d) Finally, if we don't have any information about a, then we can't tell how big a is. It's possible that a could be finite, countably infinite, uncountable, or even something else entirely.

Without more information, we simply can't say for sure.

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Answer:

The actual distance is 190 miles

Step-by-step explanation:

9.5×60=570

570÷3=190

The combined value of the two accounts on January 1st, 2019, is approximately $31,642.05.

To solve this problem, we'll calculate the value of each investment separately and then combine them.

First, let's calculate the value of your great uncle's investment in treasury bills. The nominal rate of 1.95% compounded every 73 days can be converted to an effective rate per year using the formula:

Effective rate = (1 + (nominal rate / m)) ^ m - 1

Where "m" is the number of compounding periods per year. In this case, there are approximately 365 days in a year, so the number of compounding periods is:

m = 365 / 73 = 5

Effective rate = (1 + (0.0195 / 5)) ^ 5 - 1 = 0.0200

Now, let's calculate the value of the treasury bills investment after 2 years (from January 1st, 2017, to January 1st, 2019):

Value of treasury bills = $20,000 * (1 + 0.0200)^(2 * 365/73) = $20,000 * (1.0200)^(10) ≈ $20,825.40

Next, let's calculate the value of your mother's investment, which is compounding continuously at a rate of 4% per year:

Value of mother's investment = $10,000 * e^(0.04 * 2) ≈ $10,816.65

Finally, let's calculate the combined value of these two accounts:

Combined value = Value of treasury bills + Value of mother's investment

= $20,825.40 + $10,816.65 ≈ $31,642.05

Therefore, the combined value of the two accounts on January 1st, 2019, is approximately $31,642.05.

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Answer:

due today

Step-by-step explanation:

Answer:

Step-by-step explanation:

What's due? You didn't attach anything or put a problem down. I can't help if there is nothing shown in front of me.

Answer:

The x-intercept: (-4,0)

The y-intercept: (0,6)

Answer:

Step-by-step explanation:

The angle of depression is the angle between the line of sight and a vertical line.

The distance between the two skyscrapers is 1269ft

I've added as an attachment, a figure that illustrates the scenario

First, we calculate distance AB using the following tangent ratio

\(\mathbf{\tan(\theta) = \frac{Opposite}{Adjacent}}\)

So, we have:

\(\mathbf{\tan(60) = \frac{AB}{1250}}\)

Make AB the subject

\(\mathbf{AB = 1250 \times \tan(60)}\)

Next, we calculate distance AC using the following tangent ratio

\(\mathbf{\tan(\theta) = \frac{Opposite}{Adjacent}}\)

So, we have:

\(\mathbf{\tan(60+10) = \frac{AB + BC}{1250}}\)

\(\mathbf{\tan(70) = \frac{AB + BC}{1250}}\)

Make AB + BC, the subject

\(\mathbf{AB + BC = 1250 \times \tan(70)}\)

Make BC the subject

\(\mathbf{BC = 1250 \times \tan(70) - AB}\)

Substitute \(\mathbf{AB = 1250 \times \tan(60)}\)

\(\mathbf{BC = 1250 \times \tan(70) - 1250 \times \tan(60)}\)

\(\mathbf{BC = 1269}\)

Hence, the distance between the two skyscrapers is 1269ft

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The value of the same input x is  -7

What is linear equation?

An equation is said to be linear if the maximum power of the variable is consistently 1. Another name for it is a one-degree equation. A linear equation with one variable has the conventional form Ax + B = 0. In this case, the variables x and A are variables, while B is a constant. A linear equation with two variables has the conventional form Ax + By = C. Here, the variables x and y, the coefficients A and B, and the constant C are all present.

A linear equation is one that has a degree of 1 as its maximum value. No variable in a linear equation, thus, has an exponent greater than 1.A linear equation's graph will always be a straight line.

Each term in a linear equation has an exponent of 1, and when this algebraic equation is graphed, it always produces a straight line. It is called a "linear equation" for this reason.

Let output A = A

And output B = B

According to the question,

5x - 4 = A

3x + 8 = B

And A = 3B

from the above equations,

5x - 4 = 3(3x + 8)

5x - 4 = 9x + 24

4x = -28

x = -7

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The uncertainties ⟨Δx^2⟩ and ⟨Δp^2⟩ are given by the expressions ⟨Δx^2⟩ = a^2/2 and ⟨Δp^2⟩ = (ℏ^2)/(8a^2).

To calculate the uncertainties ⟨Δx^2⟩ and ⟨Δp^2⟩ for the given wave packet, we need to find the expectation values of the observables (x^ - ⟨x⟩)^2 and (p^ - ⟨p⟩)^2, respectively.

The wave packet is represented by the function ψ(x) = [2πa^2]^(1/2) exp[-4a^2(x - ⟨x⟩)^2 + iℏpx]. Here, a is a constant, ⟨x⟩ represents the expectation value of x, and p is the momentum operator.

To find ⟨Δx^2⟩, we calculate the expectation value of (x^ - ⟨x⟩)^2 with respect to ψ(x). By integrating (x - ⟨x⟩)^2 multiplied by the squared magnitude of the wave packet over all x values, we obtain the result ⟨Δx^2⟩ = a^2/2.

Similarly, to find ⟨Δp^2⟩, we calculate the expectation value of (p^ - ⟨p⟩)^2 with respect to ψ(x). Since p is the momentum operator, its expectation value is ⟨p⟩ = 0 for the given wave packet. By integrating (p^ - 0)^2 multiplied by the squared magnitude of the wave packet over all x values, we obtain the result ⟨Δp^2⟩ = (ℏ^2)/(8a^2).

Therefore, the uncertainties ⟨Δx^2⟩ and ⟨Δp^2⟩ are given by the expressions ⟨Δx^2⟩ = a^2/2 and ⟨Δp^2⟩ = (ℏ^2)/(8a^2).

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To solve for x at an angle, you must first understand what type of angle you are working with. If the angle is a right angle, you can use the Pythagorean theorem to solve for x. If the angle is an obtuse angle, you can use the law of cosines to solve for x. If the angle is an acute angle, you can use the law of sines to solve for x.

To solve for x at a right angle using the Pythagorean theorem, you must have the lengths of the two neighboring sides of the triangle. The sum of the squares of the two sides is equal to the square of the hypotenuse, according to the Pythagorean theorem. By rearranging the components and solving for x, this equation may be used to find x.

To use the law of cosines to solve for x at an obtuse angle, you must know the lengths of all three sides of the triangle. According to the law of cosines, the square of one side's length equals the sum of the squares of the other 2 sides minus twice the product of the other 2 sides multiplied by the cosine of the obtuse angle. You can use this equation to solve for x by rearranging the terms and solving for x.

To apply the law of sines to solve for x in an acute angle, you should first know the lengths of the triangle's two sides as well as the acute angle's measurement. According to the law of sines, the ratio of one side's length to the sine of the opposite angle equals the ratio of the other side's length to the sine of the acute angle. By rearranging the terms and solving for x, you may use this equation to solve for x.

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The correct expression to find the volume of a rectangular prism is D. (3 × 6) × 15 = 270 in.3.

Expression is a word, phrase, or gesture that conveys an idea, thought, or feeling. It is an outward representation of an emotion, attitude, or opinion. Expressions can be verbal, physical, or written. They can also take the form of art, music, or dance. Expression is used to communicate and express emotions, thoughts, and ideas. It can be a powerful tool to create a connection with others and build relationships.

The correct expression to find the volume of a rectangular prism is D. (3 × 6) × 15 = 270 in.3. This expression involves multiplying the length, width, and height of the rectangular prism in order to calculate the total volume. In this case, the length is 3, the width is 6, and the height is 15. If these values are multiplied together, the result is 270 in.3, which is the total volume of the rectangular prism.

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Answer:

5x-9y=2z

Step-by-step explanation:

5x8=40

9x3=27

2x11=22

so 40-27=22

Answer:

no

Step-by-step explanation:

52+37+42 should be 180 but its not so it does not form a triangle

I hope you under stand

Answer:

yes

Step-by-step explanation:

use the triangle inequality theorem, where sides are 'a', 'b', and 'c':

all three of these must be true in order to have a triangle:

a+b > c

a+c > b

b+c > a

is 37 + 42 > 52   Yes

is 37 + 52 > 42   Yes

is 52 + 42 > 37   Yes