Help please!........ ​

first off let's recall that a square has all equal sides, so its area is just one side squared, namely A = s², or A = (s)(s).

we know the area is 16j² + 24j + 9, that simply means that two twin factors are in it, and it also means that the area polynomial is a perfect square trinomial.

[tex]\bf \qquad \textit{perfect square trinomial} \\\\ (a\pm b)^2\implies a^2\pm \stackrel{\stackrel{\text{\small 2}\cdot \sqrt{\textit{\small a}^2}\cdot \sqrt{\textit{\small b}^2}}{\downarrow }}{2ab} + b^2 \\\\[-0.35em] ~\dotfill\\\\ 16j^2+24j+9\implies 4^2j^2+2(4j)(3)+3^2\implies (4j)^2+2(4j)(3)+3^2 \\\\\\ (4j+3)^2\implies \stackrel{\textit{area}}{(4j+3)(4j+3)}~\hspace{7em} \stackrel{\textit{one side}}{4j+3}[/tex]

Answer:

B. Select a random sample of students who go to the work laboratory

Step-by-step explanation:

The best way to get acurate results is by selecting a random sample of students. If the students administers a survey to the students that are seated at the front of the laboratory he could get biased results.

The students that are seated in fron of the laboratory could obey to a certain characteristic (ie. They could be very applied students), which could definitely provide us with a different result.

The survey is just fine. We don't need any instrument to test statistical analysis understanding. Also, using a larger sample size of students seated in front of the laboratory won't make much difference. Finally, Administering instruments to a group who does not go to the work  laboratory makes no sense. You can not measure effectiveness on people that don't assist to class.

Answer:

Select a random sample of students who go to the work laboratory

verified on a p e x

Hey there! :)

If the temperature was at -41 F then warmed by 52 F, then what is our current temperature?

Simply do -41+52. Another way that your mind can do this is by rearranging this to look like this : 52 - 41

Because we are already very accustomed to doing this, we know that 52-41 is equal to 11. Therefore, -41+52 is very simply 11.

This means that our current temperature is 11 degrees Fahrenheit.

Hope this helped! :)

Answer:

16%

Step-by-step explanation:

100% - 68% = 32%

32%/2 = 16%

Answer:

The height of the building is [tex]100\ ft[/tex]

Step-by-step explanation:

Let

h ----> the height of the building in feet

we know that

Using proportion

[tex]\frac{6}{4.5}=\frac{h}{75}\\ \\h=6*78/4.5\\ \\h=100\ ft[/tex]

I took the test and got 100 ft correct

if the answer for b is 4 square meters of fabric then both a and b will be the right answer. If you look at the graph, it starts at the points (0,0) which proves that it costs $0 for 0 square foot of fabric. Sames goes for choice b.

Answer:

a and b

Step-by-step explanation:

khan

Answer:

5, -1/4, -3, and 5/2

Step-by-step explanation:

All you need to do is look at leading term and constant term.  The possible rational zeros are the factors of 15 over (fraction bar) factors of 8.

So the factors of 15:

-1,1,-3,3,-5,5,-15,15

The factors of 8:

-1,1,-2,2,-4,4,-8,8

So the possible rational zeros.... I'm just going to put the factors of 15 over the factors of 8 like so:

-1/-1=1

-1/1=-1

-1/-2=1/2

-1/2=-1/2

-1/-4=1/4

-1/4=-1/4

-1/-8=1/8

-1/8=-1/8

Now I'm going to go to 1 and put it all over the factors of 8.

Anyways I can see some of your choices there 5/1=5 , I already listed the -1/4 above, -3/1=-3, and 5/2.

If you are still confused what I did all I'm doing is putting the first list of factors I made over (fraction bar) the second list of numbers I made.

Answer: 5, -1/4, 5/2, -3

Step-by-step explanation:

First, distribute the negative to the second set of parentheses:

(9x2+10x+4)+(-9x2-5x+1)

Now, add like term:

9x2-9x2=0

10x-5x=5x

4+1=5

Recombine each sum for the final answer:

5x+5

Hope this helps!!

The difference is 5x + 5

First, remove the parentheses by distributing the negative sign:

9x² + 10x + 4 - 9x² - 5x + 1

Combine like terms:

10x + 4 - 5x + 1 = 10x - 5x + 4 + 1 = 5x + 5

Therefore, the difference is 5x + 5

The probability that two 1-6 number cubes both land on an even number is calculated by multiplying the individual probabilities for each cube (1/2 x 1/2), resulting in a final probability of 0.25, or answer 'C. 0.25.'

To determine the probability that two 1-6 number cubes land on an even number, we first recognize that there are three even numbers on each cube (2, 4, and 6), and thus three favorable outcomes out of six possible outcomes for each individual number cube roll. To calculate the probability of two independent events both occurring (in this case, both number cubes landing on an even number), we multiply the probabilities of each event.

The probability for one cube is 3/6, or 1/2. Therefore, for two cubes, the probability is (1/2) x (1/2) = 1/4. Expressed as a decimal, 1/4 is equivalent to 0.25.

The correct answer to the question is 'C. 0.25.'

Answer: i believe y = f because you are doing f x 1 and y = f x 1

Step-by-step explanation:

1 to the power of 1 is 1

Answer:

1

Step-by-step explanation:

You have the function f(x) [pronounced "f of x"]

"f(x) is equal to" is the same as saying "y is equal to"

The problem wants you to find f(x) when x = 1.

So, substitute 1 in for x.

This is your equation:

f(x) = 1^x

Now substitute 1 in for x:

f(1) = 1^1

1 to the power of 1 is equal to 1.

So, when f(x) = 1 when x = 1.

I hope this helps! :)

The solution set for the quadratic expression given is : (-8, 5)

Using the expression given :

divide through by 2

y = x² + 3x - 40

As a quadratic expression ;

x² + 3x - 40 = 0

factors whose product gives -40 and addition gives 3

x² + 8x - 5x - 40

factorize

x(x + 8) -5(x + 8)

(x + 8) = 0 or (x - 5) = 0

x = -8 or x = 5

Hence, the solution set is (-8 or 5)

Answer:

  it depends: $197,591.00 if you count 52 weeks per year; $198,851.28 if you count 365.25 days per year and 7 days per week.

Step-by-step explanation:

If we consider a year to be 52 weeks, then the total number of payments is ...

  25×52 = 1300

The total amount paid is then ...

  1300×$315.07 = $409,591.00

The difference between this and the loan amount is the interest paid:

  $409,591 - 212000 = $197,591

__

If you take into account the extra days in each year and the leap years, very likely there would be 4 more payments in 25 years. Then the total interest is ...

  1304×$315.07 -212,000.00 = $198,851.28

Answer:

18x²y²√6xy²

Step-by-step explanation:

3x∛648x⁴y⁸  = 3x ∛ 2 * 2 * 2 * 3 * 3 * 3 * 3 * x⁴ * y⁸

                      = 3x * 2 * 3 * x * y * y √2 * 3 * x * y * y

                      = 18x²y²√6xy²

Answer:

That's [tex] y = \ln x[/tex]

Step-by-step explanation:

[tex]f(1) = \ln 1 = 0[/tex]

[tex]f(e) = \ln e = 1[/tex]

[tex]f(1/e) = \ln (1/e) = -1[/tex]

Seems right.

The fraction 12/16 simplifies to 3/4 after dividing both the numerator and the denominator by 4. This concept is related to finding equivalent measurements through simplification and the use of proportions.

The student's question is about identifying a measurement that is equal to 12/16. To solve this, we need to simplify the fraction by dividing both the numerator and the denominator by their greatest common divisor, which in this case is 4. So, the simplified form of 12/16 when reduced gives us 3/4.

To provide an example, if the scale factor is 1:4, and the scale measurement is given as 4, the actual measurement can be found with this proportion: 1:2 = 4:x. By cross-multiplying, we get x = 8, showing the application of scale factors and proportions in finding equivalent measurements.

Answer:

(x + 10)(x - 7)

Step-by-step explanation:

It is 3 and 10 in some order. The difference is 7 and it is plus, so the larger number is +10 and the smaller one - 3

(x + 10)(x - 3) should be the answer

10x - 3x = 7x

The trinomial [tex]x^2+7x-30[/tex] can be factored into (x+10)(x-3) by finding two numbers that multiply to -30 and add to 7.

To factor the trinomial [tex]x^2+7x-30[/tex] we are looking for two numbers that multiply to -30 (the constant term) and add up to +7 (the coefficient of the linear term).

These two numbers are +10 and -3, as -

10 * -3 = -30 and

10 + (-3) = 7.

So, we can rewrite the trinomial as (x+10)(x-3), which are the factors of the lowest possible order.

Answer: Option b

[tex]f (1) = 0[/tex]

Step-by-step explanation:

For a function of the form

[tex]f (x) = ax ^ n + bx ^ {n-1} + ... + c[/tex]

Where n is the main exponent of the polynomial and a, b c are the coefficients of the variables then this polynomial can be written based on its factors as

[tex]f (x) = a (x-h) (x-k) (x-s)...[/tex]

Where [tex]x = h[/tex], [tex]x = k[/tex], [tex]x = s[/tex], ... are the points where [tex]f(x) = 0[/tex]

Therefore if for this case we know that

[tex](x-1)[/tex] is a factor of a polynomial function [tex]f (x)[/tex] then it is fulfilled that

[tex]f (1) = 0[/tex]

Step-by-step explanation:

T = time in seconds

H = distance

Tground = time to return to ground

Tmax = time at maximum height

H = -16T^2 + 672T...eqn 1

projectile returns to ground at H =0,

subs for H in eqn 1...

0 = -16T^2 + 672T

solving for T we get...

16T^2 = 672T

=> Tground = 42secs

Tmax = 0.5 Tground = 21secs

Follow below steps;

To convert temperature from Celsius to Rankine, the formula is:

R = (C + 273.15) x 9/5

So, to find the temperature in Celsius corresponding to R degrees Rankine, the correct formula is option B. 9/5(C + 273).

[tex]|\Omega|=\,_8C_3 \cdot\,_{10}C_4=\dfrac{8!}{3!5!}\cdot\dfrac{10!}{4!6!}=\dfrac{6\cdot7\cdot8}{2\cdot3}\cdot\dfrac{7\cdot8\cdot9\cdot10}{2\cdot3\cdot4}=11760\\|A|=\,_7C_2\cdot\, _9C_3=\dfrac{7!}{2!5!}\cdot \dfrac{9!}{3!6!}=\dfrac{6\cdot7}{2}\cdot \dfrac{7\cdot8\cdot9}{2\cdot3}=1764\\\\P(A)=\dfrac{1764}{11760}=\dfrac{3}{20}=15\%[/tex]

A. It is a many-to-one function.

Hello! It will be a pleasure to help to figure out what's the correct answer to this problem. First of all, we have the following function:

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

When plotting this function, we get the red graph of the function shown below. So let's solve this as follows:

True

A function is said to be many-to-one there are values of the dependent variable (y-values) that corresponds to more than one value of the independent variable (x-values). To test this, we need to use the Horizontal Line Test. So let's take the horizontal line [tex]y=0.5[/tex], and you can see from the first figure below that [tex]y=0.5[/tex] is mapped onto [tex]x=-1.241 \ x=-0.344 \ and \ x=0.585[/tex]. so this is a many-to-one function.

Since this is a many-to-one function, it can't be a one-to-one function.

False

Indeed, this is a function

False

It passes the vertical line test because any vertical line can intersect the graph of the function at most once. An example of this is shown in the second figure below.

Answer:

f maths lah chibai i hate maths sorry cannot answer your question

Answer:

- 77

Step-by-step explanation:

Given

- (a - b)(a - bc) ← substitute given values for a, b and c

= - (3 - (- 4))(3 - (- 4 × 2))

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

= - (7)(3 + 8)

= - 7 × 11

= - 77

The answer is C I think

Answer: b) [tex]200<p<300[/tex]

Step-by-step explanation:

The given statement :Phillip has between two hundred and three hundred baseball cards.

Let the number of baseball cards is represented by .

Then , the lower limit for the p is 200 and the upper limit for p is 300.

i.e. [tex]200<p\text{ and }p<300[/tex]

Then , the compound inequality represents this situation will be :-

[tex]200<p<300[/tex]

4) Answer: 512cm^3

6) Answer: 13,642.5in^3

7) What bathtub?

8) Answer: Height = 3 feet

9) Answer: Volume = 64/729 ft^3

10) Answer: Volume = 7/20 m^3

Answer:

The correct answer is: 21x + 14 = 98; x = 4.

Step-by-step explanation:

She needs to type the notes she recorded in her 98-page workbook. If whe types x hours at a rate of 21 pages per hour, and 14 pages are already done. Then the equation is:

21x + 14 = 98;

Now, the number of hours she will take to complete the task can be found by solving for 'x':

21x = 98 - 14

21x = 84

x = 4.

Therefore, the correct option is: 21x + 14 = 98; x = 4.

Answer:

21x + 14 = 98; x = 4

Step-by-step explanation:

Camille has already typed notes from the first 14 pages of her workbook, and she types for x hours at a rate of 21 pages per hour. An expression for the one side of the equation needs to represent the total number of pages she has typed in terms of x. The number of pages Camille has typed after x hours is represented by the expression 21x + 14.

The workbook has a total of 98 pages. Thus, the other side of the equation which represents the number of pages Camille has typed after x hours is 98.

Hence, the equation that represents the number of pages she has typed after x hours is 21x + 14 = 98.

Solve the equation to determine how many hours it will take Camille to complete the task.

So, x = 4. Therefore, it takes Camille 4 hours to complete the task.

Answer:

h = 55

Step-by-step explanation:

Each of the angles adjacent to 2h° on the straight line = (180° - 2h°)

We also know that all internal angles of a triangle add up to 180

Hence,

40 + (180-2h) + (180-2h) = 180

40 + 180 -2h + 180 - 2h = 180

220 -4h = 0

4h = 220

h = 55

Answer:

H=55

Step-by-step explanation:

Answer:

A

Step-by-step explanation:

Answer:

so you can simplify the ratio

Step-by-step explanation:

Hello There!

The least common denominator is 5

Comparing 6/5 and 4/5:

6/5 > 4/5

therefore

6/5 > 4/5

Answer:

15/17

Step-by-step explanation:

sin A = side opposite A/ hypotenuse

         = a/ c

         =15/17

We use the definition of sine, which leads to sin A = a/c = 15/17, giving sin A = 0.8824.

To find sin A, we can use the definition of sine in a right-angled triangle, which is the ratio of the length of the opposite side to the length of the hypotenuse.

In this case, sin A = opposite/hypotenuse = a/c = 15/17. Therefore, sin A = 0.8824, rounded to four decimal places.