Mathematics Middle School

factor X^3-7x^2-5x+35

Answers

Answer 1
The answer would be
- (34x^3 - 35)
Answer 2

The answer is (x+7)(x^2-5)

Related Questions

I WILL GIVE BRAINLIEST to who answers this question correctly.

Answers

You start counting from 0 onwards:

C = 6
D = 8

Then C x D = 48

So the product CxD is situated at 48 units from 0



Melissa is 24 years younger than Joyce. In 2 years Joyce will be 3 times as old as Melissa will be then. How old are they right now?

Answers

Mellissa is 10 years and Joyce is 34 years right now.  They will be 12 and 36 in two years. 
Joyce will be 34 because Melissa is 10 so 10+24 will be 34 and if she will be three times as much so still in two years she will still be 2 years older so Joyce will be 36 and Melissa will be 12 so.....

Melissa 12 and Joyce 36

Hector planted 185 flowers in 2 days.there were 5 volunteers,including Hector, who each planted about the same number of flowers. About how many flowers did they plant?

Answers

925 in 2 day that right

Answer: They planted 925 flowers.

Step-by-step explanation:

Given : Hector planted 185 flowers in 2 days.

There were 5 volunteers,including Hector, who each planted about the same number of flowers.

Then, the number of flowers they planted is given by :-

Number of volunteers x Flower planted by each volunteer

=[tex]5\times185=925[/tex]

Hence, They planted 925 flowers.

Jill decides to move her fish from a 20 gallon aquarium to a 50 gallon aquarium. She added 3 tablespoons of salt to her old aquarium. If she wishes to maintain to same salinity level, how many tablespoons should she add to her new aquarium?

Answers

she would have to add 7.5 tablespoons of salt to keep a 15% salinity level

For what values of θ on the polar curve r=θ, with 0≤θ≤2π , are the tangent lines horizontal? Vertical?

Answers

Given that [tex]r=\theta[/tex], then [tex]r'=1[/tex]

The slope of a tangent line in the polar coordinate is given by:

[tex]m= \frac{r'\sin\theta+r\cos\theta}{r'\cos\theta-r\sin\theta} [/tex]

Thus, we have:

[tex]m= \frac{\sin\theta+\theta\cos\theta}{\cos\theta-\theta\sin\theta} [/tex]



Part A:

For horizontal tangent lines, m = 0.

Thus, we have:

[tex]\sin\theta+\theta\cos\theta=0 \\ \\ \theta\cos\theta=-\sin\theta \\ \\ \theta=- \frac{\sin\theta}{\cos\theta} =-\tan\theta[/tex]

Therefore, the values of θ on the polar curve r = θ, with 0 ≤ θ ≤ 2π, such that the tangent lines are horizontal are:

θ = 0

θ = 2.02875783811043

θ = 4.91318043943488



Part B:

For vertical tangent lines, [tex] \frac{1}{m} =0[/tex]

Thus, we have:

[tex]\cos\theta-\theta\sin\theta=0 \\ \\ \Rightarrow\theta\sin\theta=\cos\theta \\ \\ \Rightarrow\theta= \frac{\cos\theta}{\sin\theta} =\sec\theta[/tex]

Therefore, the values of θ on the polar curve r = θ, with 0 ≤ θ ≤ 2π, such that the tangent lines are vertical are:

θ = 4.91718592528713
Final answer:

For the polar curve r = θ, the tangent lines are horizontal when θ = 0 and θ = π, and the tangent lines are vertical when θ = π/2 and θ = 3π/2.

Explanation:

The question is asking us to find the values of θ for which the tangent lines to the polar curve r = θ are horizontal and vertical. To do this, we need to first derive the slope of the tangent line in polar coordinates.

The derivative dr/dθ represents the slope of the radius with respect to θ, or in other words, the slope of the curve. When r = θ, the derivative dr/dθ = 1. This slope is equal to the tangent of the angle that the tangent line makes with the positive x-axis.

Therefore, for the tangent lines to be horizontal, the angle needs to be 0 or π rad (0 or 180 degrees). For the tangent lines to be vertical, the angle needs to be π/2 or 3π/2 rad (90 or 270 degrees). Using the equation r = θ in rad, we find the horizontal tangents are when θ = 0 and θ = π, while the vertical tangents are when θ = π/2 and θ = 3π/2.

Learn more about Polar Coordinates here:

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what is 2,117 divided by 3

Answers

Hello There!

You're answer is 705.6666667.

Hope This Helps You!
Good Luck :) 

- Hannah ❤
The answer is 705.666666667
Hope this helps. :)

The base of a triangle is 3cm greater than the height. The area is 14cm. Find the height and base of the triangle.

Answers

the base....b
the height....h
b*h/2=14 
b=h+3
h*(h+3)=28
h*(h+3)=4*7
h=4 cm , b=7 cm
Hello There!

base x height/2 = 14
base x height = 28
Base - height = 3
Base = 7
Height = 4.

Hope This Helps You!
Good Luck :) 

- Hannah ❤

Solve for x:
5(x - 2) + 7 = 65 - 4(5x - 8)

Please help!

Answers

the answer is x=4 i hope i can help

Theresa walked around the track 22 times. How far did she walk? Write as an improper fraction or mixed number.

Answers

Given that the track is 1/6 of a mile and she walks it 22 times
so 1/6 times 22 is 3.666666666666
that is (11/3)
or
 (3 and 2/3)
Hope this helps :)

Does the equation y = 3x - 12 show a proportional relationship between x and y? Explain

Answers

y = 3x represents a proportional relationship, whereas

y = 3x - 12 does not.  What's the difference?  No constant term, such as -12.  Recognize direct proportion as being expressed as y = kx (no constant term).

Which problem can be solved with this model? A. 4 divided by 1/3 B. 1/3 divided by 4 C. 12 divided by 1/3 or D. 4 divided by 12

Answers

sorry man nobody can help you unless you give us the model

explain how it to use linear factors to determine the equation of a polynomial function

Answers

Since linear factors can be written as (x-a)*(x-b) with a and b as the solutions, we can do it in two ways. First, we can use the quadratic equation. In an equation ax²+bx+c=0, the solutions are
[tex]x= \frac{-b+- \sqrt{ b^{2}-4*a*c} }{2*a} [/tex] with the +- meaning that you can have one solution (a) by adding and (b) by subtracting.

Next, in ax²+bx+c=0, we want to add b up to have dx+zx=bx as well as (d*z)=(c*a). For example, in 6x²+2x-4, we have 6*-4=-24. We have to find 2 numbers that add up to 2 but multiply to 24 - -4 and 6 work. Therefore, we have 6x²+6x-4x-4. Factoring it out, we have 6x(x+1)-4(x+1). Since x+1 is the same in both, we have the equation being (6x-4)(x+1) as the factorization

Mrs Kipling ordered flowers for centerpieces.She ordered 168 flowers.She needs to put 15 flowers in a vase for 14 tables.Does Mrs.Kipling have enough flowers for 14 tables? Explain why or why not.

Answers

Hello! Mrs. Kipling order 168 flowers, and she needs to put 15 flowers in each vase for 14 tables. To find out if she has enough for 14 tables, let's multiply 15 (the amount needed for each vase) by 14. 15 * 14 is 210. 210 > 168. No. Mrs. Kipling does not have enough flowers for 14 vases.

A linear function F models a relationship in which the dependent variable decreases 6 units for every 3 units the independent variable decreases. The value of the function at 0 is 4. Graph the function. Identify the slope, y-intercept, and x-intercept of the graph.

Answers

A. Finding the slope

The slope of the function is simply the ratio of the value of the dependent variable over the independent variable, so in this case it is:

slope = 6/ 3 = 2

 

B. Finding the y – intercept

The y – intercept is simply the value of the dependent variable when the independent variable is equal to zero, therefore:

y – intercept (b) = 4

 

C. Finding the function of the graph

The general equation of a line is given as:

y = m x + b

where m is the slope and b is the y intercept therefore:

y = 2 x + 4

 

D. Finding the x – intercept

The x – intercept is simply the value of the independent variable (x) when the dependent variable (y) is equal to zero, therefore:

0 = 2 x + 4

x = - 2

 

E. Graph the function

Check out the image attached

Final answer:

The linear function described is y = -2x + 4, with a slope of -2 and a y-intercept at (0,4). The line for this function will pass through the points (0,4) and (2,0), the latter being the x-intercept.

Explanation:

The question asks to graph a linear function in which the dependent variable decreases 6 units for every 3 units the independent variable decreases, and the function's value at 0 is 4. The nature of this relationship implies that the slope of this function is -2 (calculated as -6 divided by 3). Therefore, the equation for this linear function, using the slope-intercept form y = mx + b, will be y = -2x + 4. In this equation, -2 is the slope (m) and 4 is the y-intercept (b, the function's value when x is 0).

To graph this function, you start by marking the point (0,4) on your graph. From this point, you then go down 2 units (as the slope is -2) and 1 unit to the right (as the decrease in y for a 1 unit increase in x). You will continue this pattern to graph the line. The x-intercept—the point at which the line crosses the x-axis (i.e., where y = 0)—occurs at x = 2, because plugging in 0 for y in the equation gives us -2x + 4 = 0, which simplifies to x = 2. So the final line should pass through the points (0,4) and (2,0).

Learn more about Linear Functions here:

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which expression is equivalent to 2^2×2/2^4

Answers

First step is to simplify the equation so that it makes our life easier! Since 2^2 is equivalent to 4, we can plug that into the equation. Then we can also simplify 2^4 to 16. Now it should look like this:

(4)(2)/16

Now we can solve. 4(2) = 8 so now we have 8/16. 8/16 simplifies to 1/8 when you divide the numerator and the denominator by 8. So there you go! Your final answer is 1/8! I really hope that helped you out, and happy holidays!

solve the equation 5n + 5 = 45

Answers

5n+5=45

5n+5=45
     -5   -5
5/5n=40/5
n=8
     
You subtract the numbers 5n=45-5 then divide both sides by 5n=40 and you get n=8

Helpppppp fast am being timed

Answers

The first one (up and lef) does represent a linear function because y increments a constant amount (5) as x increments a constant amount (1).

The second one (up and right) does represent a linear function because y decreases a constant amount (3) when x increases a constant amount (1).

Th third one (bottom and left) does represent a linear function because y increases a constant amount (1) when x increases a constant amount (1).

The fourth (bottom and right) does not represent a linear function because the change is y is not constant when x increases a constant amount.

4 groups of 6= 3 groups of___?

Answers

Hello!

4 • 6 = 24

24/3 = 8

So, 4 groups of 6 = 3 groups of 8.

I really hope this helped you out! :)

What is the value of the function y = 2x + 3 ⁢when x=−1 ?

A. 5

B. 2

C. 1

D.​ −5 ​

Answers

It would be C. Hope this helps

:) help me please & tyyyy

Answers

So all you do is plug in the variables to make sure the equation is a solution.

x = 12 and y = 46

y = 3x + 10
46 = 3(12) + 10
46 = 36 + 10
46 = 46
The answer is true. I hope this helps love! :)

Lafayette county has a population of 7,022 people .Columbia county population is 8 times as great as Lafayette County's population.WHAT IS THE POPULATION OF COLUMBIA COUNTY

Answers

7,022 times 8 is 56,176.
The term "8 times as great" basically translates into "multiply by 8".
So, you would get this equation:

7,022(8) = population
Your answer is: 56,176 people.

6•10^5 is how many times as large as 3•10^3

Answers

200 times greater because you take 6*10^5 and you get 600,000 then you find out 3*10^3 and it equals 3,000 so you take 600,000 and divide it by 3,000 and you get 200 and that is how many times greater it is.

Jaces dad drives 605 miles in 11 hours

Answers

I'm not sure what the question is but, I'm guessing you are trying to find out how many miles are driven per hour. 

To determine how many miles are driven per hour, you would divide the total number of miles driven by the total number of hours it took to drive it. 
605 ÷ 11 = 55mph

Jace's dad drove 55 miles per hour. 

I hope this helps!

Prime factorization of 84

Answers

Check my attached photo for the answer
Hello There!

Find factors of 84:
Factors of 84: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84.
Out of those, find the prime factors:
Prime factorization: 84 = 2 x 2 x 3 x 7
Simplify:
It can also be written 2² x 3 x 7.

Hope This Helps You!
Good Luck :) 

- Hannah ❤

Sam earned $450 during winter vacation. He needs to save $180 for a camping trip over spring break. He can spend the remainder of the money on music. Write an inequality to show how much he can spend on music.

Answers

180 greater than or equal to 450 - m

PTINO Can you unscramble this... It's the answer to this riddle; Decimals always win in arguments with fractions. What do decimals have that fractions don't?

Answers

Could it be a point?
Decimal Point 1.25 fraction 1 1/4

Simplify
| -3.9 | + | 3.9 |
A. -7.8
B. 0
C. 7.8
D. 8

Answers

It would be C) 7.8

When a negative number is inside the absolute value, it turns out to be positive number anyways so the equation is basically 3.9 + 3.9 = 7.8

7/10 × 4/7 × 30/20 × 20/14=
I'm unsure how to multiply more than two fractions at a time

Answers

You answer is 6/7 do you need to know how or just the answer
6/7 hope this helps ;)

What is the product of 8.2 × 10/\9 and 4.5 × 10/\-5 in scientific notation?
36.9 × 10/\-45
12.7 × 10/\4
3.69 × 10/\5
3.69 × 10/\14

Answers

3.69 x 10^5, because the original answer is 369000, but scientific notation requires that you have your answer between 1-10. Just move 5 places to the left, which means your power of 10 will be positive.

To make things easier for you, the correct answer is C: 3.69 × 10^5

how do i solve? i don’t understand how you have to get the denominator

Answers

4⁻³ · 12⁰

Remember, if a power is ever negative, then you have to turn it into a fraction, and if a power is zero, then the whole number turns into 1 :)

4⁻³ turns into 1/4³ due to the fact that the power is negative.

So, our question now looks like this : 

1/4³ · 1

Simplify.

1/64 · 1

Simplify.

Our answer is : 1/64

~Hope I helped!~
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