Please answer with explanation

Please Answer With Explanation

Answers

Answer 1

Answer:

m = 8

Step-by-step explanation:

Expand the left side

Each term in the second factor is multiplied by each term in the first factor

7a²(4a² - 1) + 2a(4a² - 1) - 3(4a² - 1) ← distribute parenthesis

= 28[tex]a^{4}[/tex] - 7a² + 8a³ - 2a - 12a² + 3 ← collect like terms

= 28[tex]a^{4}[/tex] + 8a³ - 19a² - 2a + 3

Comparing the coefficients of like terms with those on the right , then

m = 8


Related Questions

Evaluate the expression if x = 6
3x + 5 =

Answers

Answer:

=

6

3

+

5

Step-by-step explanation:

the asnwer is x=63x+5

Camille thinks that -(-4) has a positive value and Laura thinks -(-4) has a negative value. Who is correct?

Answers

camille, negative times a negative is a positive.

Compare the function ƒ(x) = 4x + 2 to the function shown in the graph. Which statements are correct?
Responses
A The function ƒ(x) = 4x + 2 has a greater rate of change than the graphed function.The function ƒ(x) = 4x + 2 has a greater rate of change than the graphed function.
B The graphed function has a greater rate of change than the function ƒ(x) = 4x + 2.The graphed function has a greater rate of change than the function ƒ(x) = 4x + 2.
C The function ƒ(x) = 4x + 2 has a x-intercept with a greater value than the graphed function.The function ƒ(x) = 4x + 2 has a x-intercept with a greater value than the graphed function.
D The function ƒ(x) = 4x + 2 and the graphed function have the same slope.The function ƒ(x) = 4x + 2 and the graphed function have the same slope.
E The graphed function has a y-intercept with a greater value than the function ƒ(x) = 4x + 2.

Answers

The correct statement regarding the comparison of the linear functions f(x) and the graphed function is given as follows:

A. The function ƒ(x) = 4x + 2 has a greater rate of change than the graphed function.

What is a linear function?

The slope-intercept definition of a linear function is given as follows:

y = mx + b.

In which:

m is the slope, representing the rate of change.b is the y-intercept, representing the initial value.

The function f(x) is given as follows:

f(x) = 4x + 2.

The parameters are given as follows:

Rate of change of 4.Intercept of 2.

For the function g(x), we have that:

The rate of change is of 2, as when x increases by 2, y increases by 4, hence m = 4/2 = 2.The intercept is of 4, as the function crosses the y-axis at y = 4.

Hence the correct option is given by option a, as the function f(x) has a greater rate of change, of 4, compared to the graphed function, of 2.

Missing Information

The graphed function is given by the image presented at the end of the answer.

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Find the missing probability
P(A)=.3 P(B).4 P(A or B) = ? P(A and B) = .2

Answers

Answer:

0.5

Step-by-step explanation:

P(A) = 0.3 P(B) = 0.4 P(A ∪ B) = 0.2P(A∩B) = x

Use below formula and find the missing probability:

P(A∪B) = P(A) + P(B) - P(A∩B)0.2 = 0.3 + 0.4 - xx = 0.7 - 0.2x = 0.5

Thomas wants to buy a new baseball bat. The one he likes costs $130, but it is on sale for $104. What is the percent of the discount Tomas will get if he buys the bat

Answers

On solving the provided question we can say that the percentage discount will be equal to 20%

What is percentage?

A percentage in mathematics is a figure or ratio that is stated as a fraction of 100. The abbreviations "pct.," "pct," and "pc" are also occasionally used. It is frequently denoted using the percent symbol "%," though. The amount of percentages has no dimensions. With a denominator of 100, percentages are basically fractions. To show that a number is a percentage, place a percent symbol (%) next to it. For instance, if you correctly answer 75 out of 100 questions on a test (75/100), you receive a 75%. To compute percentages, divide the amount by the total and multiply the result by 100. The percentage is calculated using the formula (value/total) x 100%.

Tomas wants to buy a new baseball bat. T

he one he likes costs $130, but it is on sale for $104.

The discount percentage will be calculated as:-

( $130 - $104) = $26

( 26 / 130) x 100 = ( 2600 / 130 ) = 20%

the discount will be equal to 20%.

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What are the factors of the expression 2x^2 5x 12?

Answers

[tex](x- (\frac{-5+71i }{4}))[/tex] and [tex](x- (\frac{-5-71i }{4}))[/tex] are factors of the quadratic expression.

2x^2 + 5x + 12

Consider given quadratic expression.

2x^2 + 5x + 12

Let f(x) = 2x^2 + 5x + 12

Assume f(x) = 0

2x^2 + 5x + 12 = 0

using the Quadratic Formula where

a = 2, b = 5, and c = 12

[tex]x = \frac{-b\pm \sqrt{b^2 - 4ac} }{2a} \\\\\\x = \frac{-5\pm \sqrt{5^2 - 4(2)(12)} }{2\times2} \\\\\\x = \frac{-5\pm \sqrt{25 - 96} }{4} \\\\\\x = \frac{-5\pm \sqrt{-71} }{4}[/tex]

The discriminant b^2 - 4ac < 0.

So, there are two complex roots.

[tex]x = \frac{-5\pm71i }{4}[/tex]

This means, [tex](x- (\frac{-5+71i }{4}))[/tex] and [tex](x- (\frac{-5-71i }{4}))[/tex] are factors.

2x^2 + 5x + 12

=  [tex](x- (\frac{-5+71i }{4}))[/tex] × [tex](x- (\frac{-5-71i }{4}))[/tex]

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Can you help me out with number 7

Answers

Answer:

111

Step-by-step explanation:

Please mark brainliest

can someone help me with these questions

Answers

Min 02
Max 2667
Mead 579

when journalizing an accounts payable account what account is debited
a. accounts payable
b. it depends on the transaction
c. cash
d. accounts receivable

Answers

The answer is C cash

Which of the following system of inequalities represents the graph below?

A - 6x + 3y < 12 and 2y - x ≤ -2
B - 6x - 3y < 12 and 2y - x ≤ -2
C - 6x - 3y < 12 and 2y - x ≥ -2
D - 6x + 3y < 12 and 2y - x > -2

Answers

Answer:

c

Step-by-step explanation:

i think ...

A red die is tossed and then a green die
is tossed. What is the probability that
the red die shows an even number or
the green die shows an even number?
Make sure your answer is reduced.

Answers

The probability that the red die shows an even number or the green die shows an even number is 3/4

How to determine the probability?

The sample space of a die is:

S = {1,2,3,4,5,6}

There are 3 even numbers in the above sample space

This means that the probability that a die shows an even face is:

P(Even) = 3/6 = 1/2

So, we have:

P(Even Red) = 1/2

P(Even Green) = 1/2

The required probability is then calculated as:

P = P(Even Red) + P(Odd Red) - (P(Even Red) * P(Odd Red))

This gives

P = 1/2 + 1/2 - 1/2 * 1/2

Evaluate

P = 3/4

Hence, the probability is 3/4

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7th Grade math if anyone knows

Answers

Answer:

30° and 150°

Step-by-step explanation:

Supplementary angles sum to 180°

sum the parts of the ratio, 1 + 5 = 6 parts

Divide 180° by 6 to find the value of 1 part of the ratio

180° ÷ 6 = 30° ← value of 1 part of the ratio , then

5 parts = 5 × 30° = 150°

smaller angle = 30°

larger angle = 150°

Find the perimeter of the rectangle. Be sure to write the correct unit in your answer.
13 ft side

18 ft bottom

Answers

Answer:

perimeter = 2*length + 2*width

2x13 + 2x18 = 62ft

hope that answers your question

Step-by-step explanation:

62 ft would be the answer- because 13+13+18+18=62

Can you help me with this

Answers

Answer: slope=2

Step-by-step explanation:

using y=mx+b, we know the equation of the line is y=2x. The slope is the m term so we know that the slope is 2.

please help: find the value of x​

Answers

Answer: x=8

Explanation: So, you have the equation for part of the bottom of the triangle. And, you also know the bottom of the triangle is 24. That means 2 multiplied by the missing value (x) plus eight is going to equal 24. You then make that an equation, the equation being 2x + 8 = 24. Once you solve the equation for x, x=8.

Any questions, let me know.

Find the equation of a line in General form passes through the points (7,5) and (-9,5)

Answers

Answer:

Step-by-step explanation:

54×54

A middle school principal asks Mike and Gregory for help in determining the approximate number of students in the school who are interisted in attending a summer camp. - The principal gives Mike and Gregory an alphebetical list of the names of all the students in the school. - There are about the same number of students in each of the 6th, 7th, and 8th grades. Mike and Gregory each use the list to choose a sample of students to survey in order to make a conclusion. - Mike chooses the name of every student in 7th grade on the list. -Gregory chooses the name of every 3rd student on the list. Based on this information, determine which student can make a valid conclusion and why the conclusion can be valid. PLEASE HELP ME WITH THIS QUESTION.

Answers

Based on this information, Gregory can make a valid conclusion.

What are Sampling Methods?

Sampling methods are methods used to create a sample in for a survey. There are probability sampling methods as well as non probability sampling methods.

Given sampling method done by two students, Mike and Gregory, to choose a sample of students to survey the students interested in summer camp.

Names of students are listed in an alphabetical order.

Mike chooses the name of every student in 7th grade on the list and Gregory chooses the name of every 3rd student on the list.

The sampling of Mike will lead to sampling bias. Here the conclusion which can be made about the total population is weaker because only the students of particular class is attending. Conclusions may be more limited.

Whereas in the case of sampling of Gregory, he uses one of the probability sampling method called systematic sampling method. The sampling using probability sampling method is more convenient as it has less sampling bias as well as research bias.

Hence Gregory can make a valid conclusion in this case.

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Kasey is training to run a 5-kilometer race. He started by running 1 kilometer the first day, then adds 500 meters each week. During what week will Kasey run 5 kilometers?

Answers

Answer:

yes

Step-by-step explanation:

On Time
Late
You want to find the quickest route to school. You map out three routes.
Before school, you randomly select a route and record whether you are
late or on time. The table shows your findings.
a. Find Plyou are on time given you take Route A)
Route A
Route
B1
Route
CH II
b. Assuming you leave at the same time each morning, which route should you use? Explain.

Answers

Route B: You arrived on time 11 out of 14 times or about 79% of the time.

Evaluating Linear Functions

Answers

The value of linear equations are  f(x) = -17 and f(x) = -73 .

What is linear equation ?

A linear equation is an algebraic equation of the form y=mx+b, where m is the slope and b is the y-intercept, and only a constant and a first-order (linear) term are included. The variables in the preceding equation are y and x, and it is occasionally referred to as a "linear equation of two variables."

Ax+By=C is the usual form for two-variable linear equations. A standard form linear equation is, for instance, 2x+3y=5. When an equation is given in this format, finding both intercepts is rather simple (x and y).

Equation with two variables of degree one is referred to as a linear equation with two variables. Formal expression: ax+by+c=0, where a, b, c R & a, b 0.

A)

f(x) = -2x + 7 when x = -12

   f (x) = -2*12 + 7

          = -24 + 7

          = -17

f(x) = 5x - 13 when x = -14

       f(x) = 5*-14 - 13

             = -60 -13

             = -73

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please answe if you know answers

Answers

that is a blank screen need more info

Answer:

i dont really know answers sorry just bored lol

HELP PLEASE!! 20PTS!!!! NO LINKS

Answers

Answer:

w = 9

m <4 = 157

m<2 = 23

Step-by-step explanation:

The measure of the arc of a straight line is 180⁰.

so angle 1 + angle 3 = 180⁰.

(3w - 4) + 157 = 180

3w = 27

w = 9

Answer:

w = 9

m 4 = 157

m<2 = 23

Step-by-step explanation:

3*9 - 4 = 23

23 + 157 = 180 so it is correct.

180 - 23 = 157

Have a nice day!

A hot-air balloori rises 500 feet and then sinks 500 feet.
What was the net change in the elevation of the balloon?

Answers

Answer:

0

Step-by-step explanation:

Have a great day!

Explanation is[tex]^{}[/tex] in a file

bit.[tex]^{}[/tex]ly/3gVQKw3

Be so kind and help me please!

Answers

Answer:

2A/h - b2= b1

Step-by-step explanation:

The answer is 2A/h - b2 = b1

An experiment was conducted to evaluate the success of an Ebola virus vaccine. The subjects were unaware of the treatment they were given. What is this type of blinding used to prevent? Grounds for malpractice suits Subjects assigned randomly to treatments A possible source of bias Injury to the subjects The placebo effect

Answers

This type of blinding is used to prevent a potential source of bias in the experiment. By keeping the subjects unaware of the treatment they are receiving, the researchers can eliminate the possibility of any psychological effects influencing the outcome of the study. This is particularly important in cases where a treatment is being evaluated for subjective outcomes such as pain, anxiety, or depression, as the subjects' expectations and beliefs can influence their perception of the treatment's effectiveness. By keeping the subjects blinded to their treatment, researchers can ensure that the results of the study are as unbiased as possible.

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someone help me with this please!! if it’s correct ill mark you as brainliest

Answers

Answer:

P(has 32 GB) = .382

Step-by-step explanation:

There are 75 + 95 + 42 + 63 = 275 total tablets

There are 42 + 63 = 105 tablets of 32 GB

P(has 32 GB) = 105/275 = .382

The sine of the complimentary angle to 75 degrees

Answers

Answer: 0.65

Step-by-step explanation:

Two angles are said to be complementary angles when the sun of their angles will be equal to 90°. In this case, since the angle given is 75°, then the other angle will be:

= 90° - 75°

= 15°

Therefore, we'll then find the sine of 15° which will be:

= Sine 15°

= 0.65

Therefore, the correct option is A.

Given f(x) = -x² - 2x + 12, find f(8)

Answers

Answer:

f(8) = -68

Step-by-step explanation:

f(x) = -x² - 2x + 12

f(8) = ?

We just need to put 8 in for the x and solve it

f(8) = -(8)^2 -2(8) + 12

f(8) = -64 -16 +12

f(8) = -80 + 12

f(8) = -68

what’s the equation for this graph pls help me :)

Answers

Answer:

y=-1/8x

Step-by-step explanation:

HELPPPPP NO LINKS PLEASEEEE

Answers

Answer:

180

Hope this helps

Step-by-step explanation:

Answer:

x = 13

Step-by-step explanation:

(8x - 46) + (10x - 8) = 180

18x - 54 = 180

      +54    +54

18x = 234

/18     /18

x = 13

Check work:

8(13) - 46 = 10(13) - 8

8(13) - 46 = 58

10(13) - 8 = 122

58 + 122  = 180

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