Mathematics High School

find all of the zeros of
If f(x) = x3 + 13x2 + 32x + 20 and f(-10)=0
pls help with this problem !

Answers

Answer 1

Answer:

Step-by-step explanation:

Well you have one of the roots -- -10. Just by looking at it, -1 would seem to be another x intercept.

f(x) = (-1)^3 + 13(-1)^2 + 32(-1) + 20

f(x) = -1 + 13 - 32 + 20

f(x) = 0

So - 1 is also a root.

You should try -2

-2 * -10 - 1 = - 20

f(-2) = (-2)^3 + 13(-2)^2 + 32(-2) + 20

f(-2) =  -8 + 13 * 4 - 32(2) + 20

f(-2) = - 8 + 52 - 64 + 20

f(-2) = -72 + 72

f(-2) = 0

The zeros are

x = -10

x = -1

x = -2

Related Questions

-1≤ 3x-10≤ 2 please help me

Answers

Answer:

3 ≤ x ≤ 4

Step-by-step explanation:

Step 1: Add 10 to all parts/sections.

[tex]-1 + 10 \leq 3x - 10 + 10 \leq 2+10[/tex] [tex]9\leq 3x\leq 12[/tex]

Step 2: Divide all parts/sections by 3.

[tex]\frac{9}{3} \leq \frac{3x}{3} \leq \frac{12}{3}[/tex] [tex]3 \leq x \leq 4[/tex]

Therefore, the answer is 3 ≤ x ≤ 4.

Answer:

3≤ x≤ 4    

Step-by-step explanation:

-1≤ 3x-10≤ 2

Add 10 to each side

-1+10≤ 3x-10+10≤ 2+10

9≤ 3x≤ 12  

Divide each side by 3

9/3≤ 3x/3≤ 12/3

3≤ x≤ 4    

(This question is related to the picture question)
The fish population in local lake is 10,000 the population increases by half every year which function represents the fish population after X years
F(x)= 10,000 parentheses (1.5)^x
Pls help it would mean a lot I’m stressing need ASAP

Answers

Answer:

5. [tex]f(x) = 10,000 (1.5)^x[/tex]

Step-by-step explanation:

==>>We would have to multiply the original amount by 1.50^x because the initial amount would be 1, and 50% increase would be .5 so 1.5 and you raise it to the number of years to show the total increase.

Let's test it

Initial: 10,000

After 1 year

10,000 + (.5*10000)

10,000 + 5000 = 15,000

--

After 2 years

15,000 + (.5*15000)

15,000 + 7500 = 22,500

--

Let's try our equation.

[tex]f(x) = 10,000 (1.5)^x[/tex]

[tex]x=2[/tex]

[tex]10,000(1.5)^2[/tex]

[tex]10,000(2.25) = 22,500[/tex]

*Edit: I just seen that the question is related to the picture question


Pls help I will mark the brainlest

Answers

Answer:

C

Step-by-step explanation:

Divide the Y values by the X values to check your answer

Answer:

C

Step-by-step explanation:

The question asks for a 0.3 constant of proportionality between 'x' and 'y'.

So, if you multiplied 0.3 to the number in 'x', you would get the number in 'y'.

By process of elimination, we can find that in A, 0.3 * 6 is not 2 and it's the same for all the other numbers in the table.

For B, 3*0.3 is not 1.8 and 0.3 multiplied by the other numbers in B do not match the number in y.

The only answer that matches is C, 4*0.3 is 1.2, 8*0.3 is 2.4, and 13*0.3 is 3.9.

So, the answer is C.

Suppose 10 and 6 are common factors of two numbers. What other
factors must the numbers have in common? Explain.


Answers

Answer: 2

Step-by-step explanation:

We can list out their factors

10:1,2,5,10

6:1,2,3,6

Both have the same factors of 2.

Answer: 2

Step-by-step explanation:

since the factors or 10 are 5 and 2

and the factors of 6 are 3 and 2

then 2 must also be a common factor of the other numbers

Simplify
√
54
fully, giving your answer in the form
a
√
b

Answers

Answer:

[tex] \sqrt{54} = \sqrt{9 \times 6} = 3 \sqrt{6} [/tex]

Can you help me please someone

Answers

Answer:

< HZG = 142 degrees

Step-by-step explanation:

180-38 = 142

<HZJ + <HZG = 180 degrees degrees (linear pair angles)

S is the midpoint of RT, and RS=14. find RT

Answers

rt =12.9 i his jdjdfjd and djrjd
The segment midpoint divides a segment into 2 halves by definition.

By the Segment Addition Postulate, you can add two adjacent segments to get the total length of the segment.

Given that RS=14

That means that 14 is 1/2 if the total segment length, so we know that segment RT is also = to 14 to make the other half.

We have two lengths that are 14, so we simply add them together to find the total segment’s length.

14+14=28.

The total line segment is 28.

Write an equation with variables on both sides that has no solution. Explain why it has no solution.

Answers

Answer:

4x - 5 = 2(2x + 1)

Step-by-step explanation:

4x - 5 = 2(2x + 1)

4x - 5 = 4x + 2

Then you would subtract the 4x on each side leaving you with:

-5 = 2

And obviously the value of -5 does not equal the value of 2 so therefore this equation has no solution

Hope that was what you were looking for.

Pls help, I will give BRAINLIEST



I’m confused with this question, so I can’t find the median because there is repeating numbers so yeah

Answers

Answer:

60

Step-by-step explanation:

To find the mean, add all numbers together and divide by the amount of numbers.

Total of number = 660

Number of numbers = 11

660/11 = 60

Answer:

The median is 70.

Step-by-step explanation:

I believe you may have mixed up median with mode.

Here are the definitions of both:

Mode - The value that appears the most in a data set

Median - The middle number in a list of numbers ordered from least to greatest

To find the median of this data set, we must arrange the numbers from least to greatest!

20, 20, 30, 50, 60, 70, 70, 80, 80, 90, 90

Now we just have to figure out the middle number...which is 70!

20, 20, 30, 50, 60, 70, 70, 80, 80, 90, 90

I hope this helps! Let me know if you have any other questions :D

Consider the fraction 13/40

Part A : write 13/40 as decimal. Use bar natotion if necessary.

Part B: when written as a decimal, is the rational number 13/40 a terminating or a repeating decimal.


Write your answer

Answers

Answer:

A- .325   B- Terminating

Step-by-step explanation:

a. 13/40=.325

B. Since bar natation is unecessary, the decimal is terminating

Four times a​ number, subtracted from four​, is twice the number. Find the number.

Answers

Answer:

[tex]\frac{2}{3}[/tex]

Step-by-step explanation:

let the number be n , then

4 - 4n = 2n ( add 4n to both sides )

4 = 6n ( divide both sides by 6 )

[tex]\frac{4}{6}[/tex] = n

The number is [tex]\frac{2}{3}[/tex]

Answer:

Let the number = x

4 - 4x= 2x

4 = 2x+4x

4 = 6x

x = 4/6

x = 2/3

Step by Step explanation:

If you like my answer than please mark me brainliest thanks

The blue dot is at what value on the number line?
十一
+ +++ ++++
-16
-10
?

Answers

Answer:

-22

Step-by-step explanation:

The answer issssssss -22

Ay help its easy pleaseeee.

Answers

Answer:

425ft.

Step-by-step explanation:

Just add 395 and 30 together.

Hope this helps. Pls give brainliest!

Answer:

425 ft

Step-by-step explanation:

So the snorkeling was 30 ft BELOW sea level while the hike was 395 ft ABOVE sea level.

Below is negative so 30 ft below is -30

Above is positive so 395 ft above is 395

the difference between 395 and -30 looks like this:

395- (-30)

So you can simplify to get this equation:

395+30

which is 425

So the difference between the snorkel and hike is 425 ft

Hope this helps!

What the answer to (2x - 7) + 5(x -3)

Answers

the answer to (2x-7) + 5(x-3) is 7x - 22
Correct Answer: 7x - 22

(2x - 7) + 5(x -3)

(2x - 7) + 5x - 15

2x + 5x - 15 - 7

= 7x - 22

helppppp plzzzzz helppp meeee​

Answers

Answer:

a) 6

b) 8

Step-by-step explanation:

please tell me if im wrong

the height of a certain plant can be modeled by the formula h=3t+7 where h is the height in millimeters and t is the time in days. which of the following best describes the independent variables in this model?

Answers

Answer:where is the answer?

Please help me with this

Answers

Answer:

=  

2 1/ 18

Step-by-step explanation:

2 1/2 plus  5/9 Calculation steps: (0 + 1) +(5/9 + 1/2)  

Samuel drives 144 miles in 2 1/4 hours. It he continues at the same rate, he will have driven
miles in hours

Answers

Answer:

36

Step-by-step explanation:

Can someone help me pls? So I have a lab report that’s due today and I don’t know how to do it bc it won’t let me write or anything so can anyone tell me what or how to do it? (Also I’m on time4learning) and I know it’s not math but I need help

Answers

won't let me type it so I did picture

someone pls help... i’ll give brainliest !!

Answers

\frac{3x^{2}-4x+3}{x-3}

1,000 times what equals 1,000.50

Answers

1,000.50 / 1000 = 1.0005

Answer:

1.0005

Step-by-step explanation:

1000.5 ÷ 1000 = 1.0005

Solve each equation.)

9+t=35

Answers

Answer:

t = 26

Step-by-step explanation:

Step 1: Subtract 9 from both sides.

[tex]9 + t - 9 = 35 - 9[/tex] [tex]t = 26[/tex]

Step 2: Check if solution is correct.

[tex]9 + 26 = 35[/tex] [tex]35=35[/tex]

Therefore, t = 26.

Answer:

The Answer of

t=35-9

t=26

Write the equation of a line with a point at `(-3,2)` and has a slope of `\frac{1}{2}`.

Answers

Answer:

y = (1/2)x + 7/2

Step-by-step explanation:

y = ax + b (general form of a linear function)

a = 1/2 (slope)

y = (1/2)x + b

(-3, 2) is on the line, 2 = (1/2)*(-3) + b

2 = -3/2 + b

b = 2 + 3/2

b = 7/2

equation: y = (1/2)x + 7/2

2,962.9–4.38 =????
help plss dont know answer

Answers

The answer would be 2958.52

(3√200+ 5√150 - 7√600) : √50

Answers

Answer:

-67.8

Step-by-step explanation:

Answer:

Step-by-step explanation:

I don't know if I did this right, but I ended up with 30√2 - 45√6

Sorry If it isn't right, have a nice day and keep learning

A home improvement store is analyzing the pricing of a line of lawnmowers. These are the cost and revenue
functions for a month of business, where x represents the selling price of a lawnmower:
R(X) = -2.075x2 + 768x
C(x) = -134.625x + 8,4037.5
Which selling prices result in a profit that is greater than or equal to zero?
Select all the correct answers.
120
135
285
300
335

Answers

Answer:

135

285

300

Step-by-step explanation:

When x=-3 plzzzz help me quick

Answers

the answer is 21

first plug in the x value
2(-3)^2 +3
then square that value, -3 squared is 9
2(9)+3
then multiply 2 and 9 to get 18
18+3
add the two numbers together
21

Answer:

21

Step-by-step explanation:

1. Evaluate = 2 * 3 ^ 2 + 3 = 2 * 9 + 3

2. Multiply = 2 * 9 = 18

3. Add 3 = 18 + 3 = 21

4. final answer = 21

Need help pleaseeeee

Answers

[tex]▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ { \huge \mathfrak{Answer}}▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ [/tex]

The zeros of the given function is the value of x coordinates of the points where the function cuts (intersects) the x - axis .

here, the points at which the function intersects x - axis are :

(-3 , 0)

(1 , 0)

so, the required zeros are -3 and 1

when a number divides another number exactly the smaller number is called

Answers

Answer:

1) A number that divides another number evenly is called a factor of that number. For example, 16 can be divided evenly by 1, 2, 4, 8, and 16. So the numbers 1, 2, 4, 8, and 16 are called factors of 16.

2) A number that divides a given set of numbers is called a common factor of the numbers.

Step-by-step explanation:

i hope its right

need ko po ng help pls po​

Answers

Answer:

1. 32.81 feet  

2, 12.7 mm

3. 41.01  feet    

4. 50cm

5, 72 mm  or 2.83 inch or 2 inch and 13th  2+(13/16)

6  9.652 dm  ir 9.7dm  =  (decimetre)

7.  1.2 cm

8. 4.2 mm

9.  14 cm

10. 23.8 mm

Step-by-step explanation:

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