Subtract -13f^3+9f2+7f-16-(-8 f^3+5f^2+9f-4)

Answers

Answer 1
-5f^3 + 4f^2 - 2f - 12
Answer 2

Answer:

:)\

Step-by-step explanation:


Related Questions

If arc mAD = 103°, and arc mBC = 115°, what is m∠BEC?

Answers

Applying the angles of intersecting chords theorem, m∠BEC = 109°.

What is the Angles of Intersecting Chords Theorem?

According to the angles of intersecting chords theorem, the measure of angle BEC equals half the sum of the measures of arcs AD and BC.

arc mAD = 103°

arc mBC = 115°

Therefore, we would have:

m∠BEC = 1/2(103 + 115)

m∠BEC = 109°

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What is the product of the following equation??

Answers

Answer:

B

Step-by-step explanation:

1.(5x^3)(xy^4 -2x^3y)

2.5x^4y^4 -10x^6y

need help with this question ​

Answers

Answer:

[tex]f(x) = a(x^2+4)(x-3)^2[/tex]

Step-by-step explanation:

So I'm assuming it means that one of the zeros is at x=3 with a multiplicity of 2 and it has an imaginary solution of 4i. Anyways, imaginary solutions come in conjugate pairs meaning if you have a complex solution of [tex]a-bi[/tex] there is another complex solution which is the conjugate of that which is [tex]a+bi[/tex] but since the imaginary solution is 4i, the complex number is just [tex]0+4i[/tex] so the conjugate is [tex]0-4i[/tex] or [tex]-4i[/tex]. So since you have x=3 as a zero that can be represented as [tex](x-3)^2[/tex] since 3 would make it 0 and it has a multiplicity of 2. As for the other factors, you won't just have ([tex](x-4i)(x+4i)[/tex], you'll have a factor that is set up in a way that the solutions are: [tex]x=\pm\sqrt{-4}[/tex]. That means it'll be a quadratic. So it'll be in the form [tex]x^2+b[/tex]. Since you're moving b to the other side and it's negative. that means it has to be positive and since the value is 4, you'll have the factor [tex](x^2+4)[/tex] which when set equal to zero has the solutions sqrt(-4). So this gives you the equation

[tex]f(x) = a(x^2+4)(x-3)^2[/tex]

The difference of the squares of two numbers is 15. The difference of twice the square of the first number and the square of the second number is 30. Find the numbers.

Answers

Answer:

I think that's the answer

Write a two-column proof.

Given: 7y = 8x – 14; y = 6

Prove: x = 7

Answers

1) [tex]7y=8x-14, y=6[/tex] [given]

2) [tex]7(6)=8x-14[/tex] [substitution]

3) [tex]56=8x[/tex] [addition property of equality]

4) [tex]7=x[/tex] [division property of equality]

5) [tex]x=7[/tex] [symmetric property of equality]

A two columns proof is given in the attached image below as per the concept of solving equations.

A two columns proof is given below:

Statement | Reasons

y = 6 | Given

7y = 8x - 14 | Given

7(6) = 8x - 14 | Substitution (Substitute y with 6 in statement 2)

42 = 8x - 14 | Simplification

42 + 14 = 8x | Addition Property of Equality (Add 14 to both sides)

56 = 8x | Simplification

56/8 = x | Division Property of Equality (Divide both sides by 8)

7 = x | Simplification (Simplify the fraction 56/8)

x = 7 | Symmetric Property of Equality (Rearrange statement 9)

In this two-column proof, we start with the given information that y is equal to 6 (statement 1).

Then, we substitute the value of y into the equation 7y = 8x - 14 (statement 2) to get 42 = 8x - 14 (statement 3).

We simplify the equation to isolate 8x and find that 56 = 8x (statement 6). Dividing both sides of this equation by 8 (statement 7) gives us x = 7 (statement 8).

Finally, we use the symmetric property of equality to rearrange the equation and conclude that x is indeed equal to 7 (statement 9).

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(2x-1)²+8√2xy=4
4y-√8xy-1=1​

Answers

(x² + 2√xy) = 5/4

2y - √2xy = 0

How to factorize the expression

From the first equation

(2x-1)²+8√2xy=4

Expand the bracket

(2x-1) (2x+ 1) + 8√2xy = 4

4x² + 2x -2x - 1 + 8√2xy = 4

4x² - 1 + 8√2xy = 4

Collect like terms

4x² + 8√2xy = 4 + 1

4x² + 8√2xy = 5

Find the common factor

4(x² + 2√xy) = 5

(x² + 2√xy) = [tex]\frac{5}{4}[/tex]

For equation 2, we have

4y-√8xy-1=1​

4y - [tex]\sqrt{4 *2 xy }[/tex] = 1 -1

4y - [tex]2\sqrt{2xy}[/tex] = 0

Find the common factor

[tex]2(2y - 2\sqrt{2xy} ) = 0[/tex]

[tex]2y - 2\sqrt{2xy} = 0[/tex] × 2

[tex]2y - \sqrt{2xy} = 0[/tex]

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There are red and blue files in a box. The ratio of red to blue tiles is 3:5. There are 12 more blue tiles than red tiles in the box. How many red tiles are in the box? There are red and blue files in a box . The ratio of red to blue tiles is 3 : 5 . There are 12 more blue tiles than red tiles in the box . How many red tiles are in the box ?​

Answers

The number of red tiles in the box given the chance ratio of red to blue tiles is 18

Ratio

Number of red tiles = xNumber of blue tiles = 12 + xTotal tiles = x + 12 + x

= 12 + 2x

Ratio of red = 3Ratio of blue = 5Total ratio = 3 + 5 = 8

Number of red tiles = 3 / 8 × 12+2x

x = 3(12 + 2x) / 8

x = (36 + 6x) / 8

8x = 36 + 6x

8x - 6x = 36

2x = 36

x = 36/2

x = 18 tiles

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Answer: 28

Step-by-step explanation:

what is the vertex form of y=2x^2+8x+1

Answers

Answer:

So, the vertex form of your function is  [tex]y(x)=2*(x+2)^2-7[/tex].

The vertex is at [tex](-2|-7)[/tex]

Step-by-step explanation:

Given function:

[tex]y(x)=2*x^2+8x+1[/tex]

Steps:

[tex]y(x)=2*x^2+8x+1\\[/tex]

[tex]y(x)=2(x^2+4x+\frac{1}{2} )[/tex]    (Factor out)

[tex]y(x)=2(x^2+4x+2^2-2^2+\frac{1}{2} )[/tex]  (Complete the square)

[tex]y(x)=2((x+2)^2-2^2+\frac{1}{2} )[/tex]  (Use the binomial formula)

[tex]y(x)=2((x+2)^2-\frac{7}{2} )[/tex]  (Simplify)

[tex]y(x)=2*(x+2)^2-7[/tex] (Expand)

y = a ( x − h ) 2 + k is vertex form.

-b/2a to get x of vertex (x , y)

-8/4 = -2

So far we have (-2, y)

plug -2 into equation:

y = 2(-2)^2 - 16 + 1

y = -7

(-2, -7)

so 2(x+2)^2 - 7



The two-way table represents data from a survey asking students whether they plan to attend college, travel, or both after high school.

A 4-column table with 3 rows. The first column has no label with entries travel, not travel, total. The second column is labeled college with entries 43, 24, 67. The third column is labeled not college with entries 10, 5, 15. The fourth column is labeled total with entries 53, 29, 82.

Which is the marginal relative frequency for students who plan to attend college? Round the answer to the nearest percent.

18%
22%
35%
82%

Answers

Using it's concept, it is found that the marginal relative frequency for students who plan to attend college is of 82%.

What is a relative frequency?

A relative frequency is given by the number of desired outcomes divided by the number of total outcomes.

In this problem, there are a total of 82 students, 67 of which plan to attend college, hence the relative frequency is:

f = 67/82 = 0.82 = 82%.

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Answer:

82%

Step-by-step explanation:

The answer above is correct.

Determine the slope of the line that contains the given points

J(-5, -2), K(5, −4)

Answers

Answer:

[tex]-\frac15[/tex]

Step-by-step explanation:

Hello!

We can utilize the slope formula to find the slope.

Slope Formula: [tex]S = \frac{y_2-y_1}{x_2-x_1}[/tex]

Remember that a coordinate is written in the form (x,y)

Find the Slope[tex]S = \frac{y_2-y_1}{x_2-x_1}[/tex][tex]S = \frac{-4-(-2)}{5-(-5)}[/tex][tex]S = \frac{-2}{10}[/tex][tex]S = -\frac15[/tex]

The slope of the line is [tex]-\frac15[/tex].

Answer:

-1/5

Step-by-step explanation:

To find the slope of the line, we use the slope formula: (y₂ - y₁) / (x₂ - x₁)

Plug in these values:

(-4 - (-2)) / (5 - (-5))

Simplify the parentheses.

= (-4 + 2) / (5 + 5)

= -2 / 10

Simplify the fraction.

-2/10

= -1/5

This is your slope.

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what is the range of y=x+3^2

All real numbers

{3^2}

{1, 3, 9}

All real numbers except 9.

Answers

Answer:

All real numbers

Step-by-step explanation:

See attached graph.

The Nutty Professor sells cashews for $7.40 per pound and Brazil nuts for $4.80 per pound. How much of each type should be used to make a 28 pound mixture that sells for $6.19 per pound?

Answers

Answer:

cos4B =1-8sin^2(B)+8sin^4(B)

Step-by-step explanation:

cos4B =1-8sin^2(B)+8sin^4(B)

15) Complete.
Purchase Price: $450
Finance Charge: $82,50
Down Payment: $150
Number of Payments: 18
Monthly Payment:
O a.) $22.15
Ob.) $20.45
Oc.) $21.25
Od.) $22.25

Answers

The monthly payment for this purchase with a price of $450, a finance charge of $82.50, a down payment of $150, and 18 monthly payments is c.) $21.25.

What is the monthly payment?

The monthly payment is the periodic payment made to settle a mortgage loan.

When the total mortgage payment is determined, the monthly payment can be calculated as the dividend of the total mortgage payment and the number of monthly payments.

Data and Calculaitons:

Purchase Price: $450

Finance Charge: $82,50

Down Payment: $150

Number of Payments: 18

Total mortgage payment = $382.50 ($450 + 82.50 - 150)

Monthly payment = $21.25 ($382.50/18)

Thus, the monthly payment for this purchase with a price of $450, a finance charge of $82.50, a down payment of $150, and 18 monthly payments is c.) $21.25.

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With the aid of an illustration from a well labelled diagram, explain a cross over experimental design using a scenario with three treatment

Answers

A crossover design is a reiterated assessments design in which each experimental unit (patient) receives various treatments at different time periods, i.e., the patients switch from one therapy to another during the trial.

What is the advantage of a crossover design?

The crossover design has the benefit of each subject acting as his or her own control, and it requires a lesser number of patients than parallel-group trials.

There are various drawbacks. For example, crossover designs often last longer than parallel-group research.

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what is the degree of the polynomial below?

x⁵+1-3x⁴+3x⁹-2x

Answers

The degree of the polynomial, x⁵+1-3x⁴+3x⁹-2x, is: 9.

What is the Degree of a Polynomial?

The degree of a polynomial is determined by the monomial with the highest degree.

Given the polynomial, x⁵+1-3x⁴+3x⁹-2x, the monomial with the highest degree is 3x⁹.

Therefore, the degree of the polynomial given is: 9.

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You’re involved in the design of a new facility. It is important for people to move between work stations quickly. Based on the figure below, how many feet would a person need to walk to get from Work Station 1 to Work Station 3?

Answers

Answer:

13 feet

Step-by-step explanation:

A^2 + B^2 = C^2

A=5 ^2 = 25

B=12 ^2 = 144

144 +25 = 169

C=13

what is the area of triangle ABC if the height is 4 yards and the base is 15 yards

Answers

Answer:

30 square yards

Step-by-step explanation:

You can calculate the area of a triangle by using the formula: [tex]A = \frac{1}{2}bh[/tex], where b=base, and h=height, and since you have both values you can easily calculate the area by plugging the values in

Plug Values Into Equation:

[tex]A = \frac{1}{2}(15)(4)[/tex]

Multiply 15 and 4

[tex]A=\frac{1}{2}(60)[/tex]

Multiply by 1/2 (or technically divide by 2)

[tex]A = 30[/tex]

Answer:

The answer is 30yd²

Step-by-step explanation:

A=hb b/2

=4·15/2

=30yd²

This is from Khan academy I have to attach a PNG if you can help me solve it! Thank you!

Answers

49^2m-m : Not equivalent

7^2m-2m : Not equivalent

7^2m-m : Not equivalent

This is actually a trick question. All of the following are actually false statements. Want to know why? Let me show you.

For exponents, if you are dividing a number to some power (i.e 5^3) by the SAME number to a different power (i.e 5^2), then the expression is 5^3-2 or 5^1 = 5. This is true for any number a such that a^b ÷ a^c = a^b-c.

Since 7 and 49 are not the same number, this rule does not apply and thus cannot be simplified any further.

Let me prove why. 5^3 = 125, and 5^2 = 25, and 125 ÷ 25 = 5. This is also the same as 5^3-2 = 5^1 = 5. We just proved this as so.

But, what about 7 and 49, or 2 different numbers. Well it doesn't apply. 7^3 = 343, and 49^2 = 2401, and 343 ÷ 2401 ≈ 0.14. Thus, this is NOT equal to 7^3-2 which is 7. We just proved that a^y ÷ b^z ≠ a^y-z. Congratulations!

Hope this helped!

Classify the polynomial by its degree and number of terms
n³ - 12n² + 6m² n²

Answers

Answer: It’s a trinomial

Step-by-step explanation: It has three terms, so it’s classified as a trinomial. (Tri=three)

Use factoring by grouping to completely factor the following.

4x^3−3x^2−36x+27=

Answers

Answer: 3 answers

Step-by-step explanation:

Enter the correct answer in the box.
The function (x)=7*+1 is transformed to function g through a horizontal compression by a factor of 3. What is the equation of function g?
Substitute a numerical value for k into the function equation.
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Answers

The equation of function g is f(x) = 7^3x + 1

How to determine the function g(x)?

The function f(x) is given as:

f(x) = 7^x + 1

The rule of horizontal compression by a factor of 3 is represented as

g(x) = f(kx)

Where k = 3

So, we have:

f(x) = 7^3x + 1

Hence, the equation of function g is f(x) = 7^3x + 1

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Which graph corresponds to the following inequality? -2x-3xy<6

Answers

you need to start from the beginning add 2 and 3

Step-by-step explanation:


8. A school cafeteria
purchased 256
hotdogs, 332 apples,
and 154 cookies. How
many items did they
purchase in all?

Answers

the school purchased 742 items in total.

Just add 256+332+154

which equals...742. :)

Answer:

742 items

Step-by-step explanation:

Add up all the items that the cafeteria purchased. 256+332+154=742!

what is the inverse of this function? f(x)=-1/2 square root of x+3, x > -3

Answers

The inverse function of [tex]f(x) = -\frac 12\sqrt{x + 3}[/tex] is[tex]f^{-1}(x) = 4x^2- 3[/tex]

How to determine the inverse function?

The function is given as:

[tex]f(x) = -\frac 12\sqrt{x + 3}[/tex]

Rewrite as;

[tex]y = -\frac 12\sqrt{x + 3}[/tex]

Swap the positions of x and y

[tex]x = -\frac 12\sqrt{y + 3}[/tex]

Multiply through by -2

[tex]-2x = \sqrt{y + 3}[/tex]

Square both sides

4x^2 = y + 3

Subtract 3 from both sides

y = 4x^2 - 3

Express as an inverse function

[tex]f^{-1}(x) = 4x^2- 3[/tex]

Hence, the inverse function of [tex]f(x) = -\frac 12\sqrt{x + 3}[/tex] is[tex]f^{-1}(x) = 4x^2- 3[/tex]

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Classify the following triangle as acute, obtuse, or right.

Answers

Answer:

cool

Step-by-step explanation:

pooop

Find the equation of a line whose slope is 1/2 and intersects negative y-axis at a distance of 7 units from the origin.

Answers

Answer:

Step-by-step explanation:

[tex]y=\frac{1}{2} x-7[/tex]

Answer:

y = 1/2x - 7

Step-by-step explanation:

The slope equation is: y = mx + b

m being the slope

b being the y-intercept

The problem says that the slope is 1/2, and says that it intersects negative y-axis, therefore the y-intercept is negative, so -7

−5 = s−9. what is s?

Answers

Answer:

S= 4

Step-by-step explanation:

add 9 to -5

= 4

s=4

Solve

f(x)= 2x -13
g(x) = x^2 - 6x + 3

Answers

Answer:

just hey effect me II rieirjttjhg shewtha

Data are collected about the amount of time, in minutes, each band member spends practicing. How does a single outlier change the lower and upper quartiles of the collected data?

A single outlier does not affect the values of the quartiles.
A single outlier causes the values of the quartiles to move slightly away from the outlier.
A single outlier doubles the values of the quartiles.
A single outlier causes the values of the quartiles to move slightly toward the outlier.

Answers

A single outlier does not affect the values of the quartiles.

What is the effect of the outlier on the value of the quartiles?

An outlier is a number that is way smaller or way larger than that of other numbers in a data set. An outlier does not affect the values of the upper and lower quartiles. This is an advantage of the upper and lower quartiles over range.

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Sin (5x-25) = COS (3x)
X=?

Answers

Answer:

x=23

Step-by-step explanation:

put it in desmos and was right

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