If the sum of x and 14 is 18, then the product of x and 4 is?

Choice A is a trinomial, but it doesn't have a constant term

Choice D is the only other trinomial. This has a constant term, which is 6. The constant is the term without any variables attached to it.

Answer: Choice D

Answer:  D. [tex]x+7y+6[/tex]

Step-by-step explanation:

We know that a trinomial is a polynomial with three terms.

From all the given options, only option A. [tex]x^3+12x^2+x[/tex] and option D. [tex]x+7y+6[/tex] are trinomials having three terms .

But option A [tex]x^3+12x^2+x[/tex] does not have any constant term .

On the other hand option D. [tex]x+7y+6[/tex] has a constant term of 6.

Therefore, the option D. [tex]x+7y+6[/tex] represents a trinomial with a constant term.

Cooking pots are made of metal because metals are good conductors of heat. Plastic is an insulator that is slow at conducting heat. That is why an insulator is used so that we don't burn ourselves.

The cooking pots are good conductor of electricity and sort of plastic

handle are insulator for safety purpose.

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Answer:

No

Step-by-step explanation:

Let us consider two positive radicals first,

[tex]\sqrt{3} , \sqrt{5}[/tex]

We know that [tex]\sqrt{3}[/tex] is an irrational number and [tex]\sqrt{5}[/tex] is also an irrational number.

So the sum of two positive radicals does not always have a rational solution.

There are examples when the some of adding positive radicals can get us a rational solution. For example,

[tex]\sqrt{4}+\sqrt{4}  =4[/tex]

So if the radicand is a perfect square then the solution is rational.

Answer:

The length is 25 and the width is 13. (25,13)

Step-by-step explanation:

the formula for perimeter is l+l+w+w=76 or 2l+2w=76

and since we know that the length is 12 more than the width, we can create an equation. w+12=l (-l+w=-12)

solve with elimination method:

2l+2w=76

2(-l+w=-12)

2l+2w=76

-2l+2w=-24

4w=52

w=13

Now that we know w=13, add 12 to the width and you get your width (25)

You can check this with the formula 2l+2w=76

2(25)+2(13)=76

50+26=76

and

w+12=l

13+12=25

Hope this helps!

The dimensions of the field will be 13 ft and 25ft.

The perimeter of a rectangle is given as: = 2l + 2w

Therefore, the perimeter will be:

2(w + 12) + 2w = 76

2w + 24 + 2w = 76

4w = 76 - 24.

4w = 52

w = 52/4.

w = 13

Width = 13 ft

Length will be: = w + 12 = 13 + 12 = 25

Therefore, the dimensions of the field will be 13 ft and 25ft.

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You are given the height of the building and the length of the shadow the building gives, so you can set that up as a proportion of Height of building over the length of the shadow so 31/28.

Now you can set the same proportion for Julian, using X for her height, so you would have x/6.

To solve for her height, set the two proportions equal and solve for x:

31/28 = x/6

Cross multiply:

31 * 6 = 28 *x

186 = 28x

Divide both sides by 28:

x = 186 / 28

x = 6.64 feet tall

To find Julian's height using the proportion between the building's height and shadow length and Julian's shadow length, we set up a proportion as follows: 31 feet (building height) / 28 feet (building's shadow) = Julian's height / 6 feet (Julian's shadow). Solving for Julian's height, we determine it is approximately 6.64 feet.

The question pertains to similar triangles and proportionality in shadows cast by objects. Using the concept of similar triangles, we can set up a proportion to find Julian's height. The shadows and the objects (Julian and the building) form two sets of similar triangles because the angles of the sunshine are the same for both objects, and thus their corresponding sides are proportional.

To set up the proportion, we use the building's shadow and height relation and compare it to Julian's shadow and unknown height. So, we write:

Building's height / Building's shadow length = Julian's height / Julian's shadow length
31 feet / 28 feet = Julian's height / 6 feet

To generate an accurate answer, we solve for Julian's height as follows:

Julian's height = (31 feet / 28 feet) \ 6 feet = (31 / 28) \ 6
Julian's height = 6.64 feet (approximately)

This proportional relationship can be used to find unknown heights or lengths of shadows when a reference object is used, provided the angle of light is the same.

Answer:

Step-by-step explanation:

84-90=90-96=96-102=102-108=-6

its a sequence where A(1)=84 n A(n+1)-A(n)=6

A(n)=84+(n-1)*6; n=1,2,3,4,5

Answer:

f(x) = 84 + 6x where x=0, 1, 2, 3, 4, ...

Step-by-step explanation:

Given 84, 90, 96, 102, 108, ...

the numbers are a sequence with 84 as the initial value and in increment of 6s. So the function can be written as:

f(x) = 84 + 6x where x=0, 1, 2, 3, 4, ...

The correct answer is option a.[tex]\(9 \cdot x + 9 \cdot 3 + 15x\)[/tex].

The correct option is (a).

To use the distributive property to simplify the expression (9(x+3) + 15x), we need to distribute the terms outside the parentheses to each term inside the parentheses.

The given expression is [tex]\(9(x+3) + 15x\)[/tex].

1. Distribute 9 to (x) and (3):

[tex]\[ 9(x+3) = 9 \times x + 9 \times 3 \][/tex]

2. Distribute 15 to (x):

[tex]\[ 15x \][/tex]

So, after using the distributive property, the expression becomes:

[tex]\[ 9 \cdot x + 9 \cdot 3 + 15x \][/tex]

Now, let's compare this with the options:

a. [tex]\(9 \cdot x + 9 \cdot 3 + 15x\)[/tex] - This matches our result.

b. [tex]\(9(x+3+15)x\)[/tex] - This option seems incorrect as it doesn't distribute 9 to each term inside the parentheses correctly.

c. [tex]\(9:x+3+15x\)[/tex] - This option doesn't seem to use the distributive property correctly.

d. [tex]\(9x+9 \cdot 3+9 \cdot 15x\)[/tex] - This option distributes 9 correctly but includes an extra term (9x) that doesn't appear in the original expression.

Therefore, the correct answer is option a.[tex]\(9 \cdot x + 9 \cdot 3 + 15x\)[/tex].

Which expression is equivalent to the given expression after using the distributive property? 9(x+3)+15x

a.9· x+9· 3+15x

b.9(x+3+15)x

c.9: x+3+15x

d.9 x+9· 3+9· 15x

Answer:

24x + 15

Step-by-step explanation:

9(x+3)+15x

Use the distributive property.

9*x +9*3 + 15x

9x + 15 + 15x

Combine the like terms.

24x + 15

Answer:

Expenses for purchasing is $245 ,Revenue $479 and Total profit $ 234

Step-by-step explanation:

Cost of two blouses = 2× 25 = $50

Revenue from blouses = 2× 38 = $76

Profit of blouses = 76- 50 = $26

Similarly cost of 3 skirts = 3×15 = $45

Revenue from Skirts = 3×26 =$78

Profit from skirts = 78-45 =$33

Now cost price of pants = 5×30 =$150

Revenue from Pants = 5×65 =$325

Profit from pants = 325-150 = $175

So Jayla's expenses for purchasing = 50+45+150

                                                           = $245

                                           Revenue = 76+78+325

                                                           = $479

                                        Total Profit = 479 -245

                                                            = $234

Jayla's total expenses were $245, she made $479 in revenue through sales, making her resultant profit $234. This is calculated by subtracting the total expenses from the total revenue.

The subject of this problem deals with the concepts of expenses, revenues, and profit in a small business setting. Jayla spent $50 on the blouses (2 x $25), $45 on the skirts (3 x $15), and $150 on the pants (5 x $30), adding up to a total expense of $245. She sold these items for total revenues of $76 for the blouses (2 x $38), $78 for the skirts (3 x $26), and $325 for the pants (5 x $65), giving her a total revenue of $479. The total profit can be calculated by subtracting the total expenses from the total revenue, and therefore, Jayla made a profit of $234 ($479 - $245).

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Answer:

Pretty sure the answer is 18-30i

Step-by-step explanation:

-30i - 18i^2

-30i - 18 x (-1)

-30i +18

The expression -6i(5+3i) simplifies to 18 - 30i in standard form of a complex number.

The problem asks us to simplify the expression -6i(5+3i). To simplify this, we multiply the complex number (-6i) with the complex number in the parenthesis. This results in (-6i * 5) + (-6i * 3i) which transforms into -30i - 18i^2. Since i^2 is -1, we can simplify further to -30i + 18. So the simplified form in standard form is 18 - 30i.

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Answer:

The function is  1/4x^2  + x - 8

Step-by-step explanation:

In Factor form the function  is

a(x + 8)(x - 4)    where a is a constant to be found.

= a( x^2 + 4x - 32)  Note the coefficient of x is positive because the function has a minimum value.

The line of symmetry is x = (-8+4)/2 = -2.

So the minimum value  will be the  value of f(x) when x = -2, so we have the equation

a(-2+8)(-2-4) = -9

-36a = -9

a = 1/4.

Answer: 131,400$

Step-by-step explanation:

The sale for first  month is $500.

The sale increases by $10 each month, as modelled by the equation:

a_k=500+(k-1)10

where, k = 1 (first month)

k = 2 (second month)

.... and so on.

we have to calculate the sale for the first 10 years, that means for 10*12 = 120 months (1 year = 12 months)

Total sales = ∑ a_k

∑ a_k = ∑ (500+(k-1)10)

= 500k + ∑ (10k - 10)

= 500k + 10∑k - 10k

= 490k + 10∑k

= 490k + 10 {k*(k+1)/2}

= 490k + 5{k*(k+1)}

= 490k + 5k^2 + 5k

= 5k^2 + 495k

∴∑ a_k = 5k^2 + 495k

For calculating the total sales of 10 years, we will put the value of k = 120 (120th month after the first month)

= 5*(120*120) + 495*120

= 72,000 + 59, 400

= 131,400$

Answer:

Distribute 10 to (k – 1) and simplify.

Rewrite the summation as the sum of two individual summations.

Evaluate each summation using properties or formulas from the lesson.

The lower index is 1, so any properties can be used. The upper index is 10*12=120.

The values of the summations are 58,800 + 72,600. So, the total sales is $131,400.

Step-by-step explanation:

Answer:

B.) 72

Step-by-step explanation:

Because when there is one cup there are 8 fluid ounces, when there are 9 cups there are 9 times more fluid ounces.

Hello :3

To get your answer we would need to multiply.

So, if there's 8 fl. oz. in 1 cup then we need to multiply 8 by 4.

8 x 4 = 32

Your answer would be 32 fl. oz.

Hope This Helps!

Cupkake~

Answer: C

Step-by-step explanation:

  [tex]\dfrac{x+1}{x-5} - \dfrac{x-2}{x+3}[/tex]

= [tex]\dfrac{x+1}{x-5}(\dfrac{x+3}{x+3}) - \dfrac{x-2}{x+3}(\dfrac{x-5}{x-5})[/tex]

= [tex]\dfrac{x^{2}+4x+3}{(x-5)(x+3)} - \dfrac{x^{2}-7x+10}{(x-5)(x+3)}[/tex]

= [tex]\dfrac{x^{2}+4x+3-(x^{2}-7x+10)}{(x-5)(x+3)}[/tex]

= [tex]\dfrac{11x-7}{(x-5)(x+3)}[/tex]

Answer:

The total amount of money Alison and Justins father donated be $108 .

Step-by-step explanation:

Distributive property.

Let a, b and c be any real numbers.

Thus

a.( b + c ) = a.b + a.c  

This is distributive property.

As given

Alison and Justins father donated $3 every lap they swam in a swim-a-thon.

Alison swam 21 laps and justin swam 15 laps.

Total amount of money Alison and Justins father donated = Cost of each lap (Number of laps of Alison father  + Number of laps of Justins father )

As

Cost of each lap = $3

Number of laps of Alison father = 21 laps

Number of laps of Justins father = 15 laps

Putting in the above

Total amount of money Alison and Justins father donated = 3(21 + 15)

                                                                                                = 3 × 21 + 3 × 15

                                                                                                = 63 + 45

                                                                                                = $ 108

Therefore the total amount of money Alison and Justins father donated be $108 .

Answer:

He got paid 10$ an hour. It does not say he gets paid for cleaning his room.

Step-by-step explanation:

10 x 4 = 40$

Samuel earned $6.67 per hour.

To calculate how much money Samuel earned per hour, we need to find the total number of hours he spent both mowing the lawn and cleaning his room.

Samuel spent 4 hours mowing the lawn and 2 hours cleaning his room, for a total of 6 hours.

He earned $40 for this time period.

To find how much he earned per hour, we divide the total amount earned by the total number of hours:

$40 divided by 6 hours = $6.67 per hour.

Therefore, Samuel earned $6.67 per hour.

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Answer:

$6 Sweet t saved on green-eyed fleas new album .

Step-by-step explanation:

As given

Sweet t saved 20% of the total cost of the green-eyed fleas new album .

.If the regular price is $30.

20% is written in the decimal form.

[tex]= \frac{20}{100}[/tex]

= 0.20

Thus

Sweet t saved on green-eyed fleas new album =  0.20 × 30

                                                                              = $6

Therefore $6 Sweet t saved on green-eyed fleas new album .

Answer:

Tiffany is 34% closer to the school.

Step-by-step explanation:

Given the statement: Tiffany used to live 15 kilometers away from the school, but after she moved she now lives 9.9 kilometers away.

She lived away from the school = 15 km

as, she moved 9.9 km away.

Now, the distance closer to school from where she lived = 15 -9.9 = 5.1 km

To, find how much percent she is closer to school.

Percent states that a number or ratio expressed as a fraction of 100.

[tex]percent = \frac{5.1}{15} \times 100[/tex] = [tex]\frac{51 \times 100}{150} = \frac{51 \times 10}{15}[/tex]

Simplify:

percent closer to school = 34%

Therefore, she is 34% closer to the school.

Answer:

1. 24 outcomes

2. 3

3. A= 1/4

   Odd = 1/2 (reduced from 12/24 chances)

   A/Odd = 1/8

4. 50% the letter chosen doesn't affect the outcome of the roll of the dice

5. i believe they are independent

6. 1/8

Hope that helps!

Answer:

3/4

Step-by-step explanation:

1. You are trying to isolate "F" in the equation

[tex]C=\frac{5}{9}(F-32)[/tex]      Multiply 9/5 on both sides

[tex](\frac{9}{5})C=(\frac{9}{5}) \frac{5}{9} (F-32)[/tex]

[tex]\frac{9}{5}C=F-32[/tex]    Add 32 on both sides

[tex]\frac{9}{5}C+32=F-32+32[/tex]

[tex]\frac{9}{5}C+32=F[/tex]

THIS IS WRONG

2. You are trying to isolate "y" in the equation

[tex]m=\frac{x+y+z}{3}[/tex]   Multiply 3 on both sides

3m = x + y + z        Subtract x and z on both sides

3m - x - z = y

THIS IS CORRECT

3. Isolate "r"

[tex]s=\frac{r}{r-1}[/tex]   Multiply (r - 1) on both sides

s(r - 1) = r    Distribute s into (r - 1)

sr - s = r     Subtract sr on both sides

-s = r - sr    Factor out r from (r - sr)

-s = r(1 - s)    Divide (1 - s) on both sides

[tex]\frac{-s}{1-s}=r[/tex]

THIS IS WRONG

4. Isolate "b"

[tex]A=\frac{1}{2}(a+b)[/tex]    Multiply 2 on both sides

2A = a + b     Subtract a on both sides

2A - a = b

THIS IS CORRECT

5. Isolate "y"

[tex]m=\frac{x+y}{2}[/tex]    Multiply 2 on both sides

2m = x + y    Subtract x on both sides

2m - x = y

THIS IS WRONG

The 2nd and 4th one is right

Answer:

. You are trying to isolate "F" in the equation

     Multiply 9/5 on both sides

   Add 32 on both sides

THIS IS WRONG

2. You are trying to isolate "y" in the equation

  Multiply 3 on both sides

3m = x + y + z        Subtract x and z on both sides

3m - x - z = y

THIS IS CORRECT

3. Isolate "r"

  Multiply (r - 1) on both sides

s(r - 1) = r    Distribute s into (r - 1)

sr - s = r     Subtract sr on both sides

-s = r - sr    Factor out r from (r - sr)

-s = r(1 - s)    Divide (1 - s) on both sides

THIS IS WRONG

4. Isolate "b"

   Multiply 2 on both sides

2A = a + b     Subtract a on both sides

2A - a = b

THIS IS CORRECT

5. Isolate "y"

   Multiply 2 on both sides

2m = x + y    Subtract x on both sides

2m - x = y

THIS IS WRONG

The 2nd and 4th one is right

Step-by-step explanation:

Answer:

The object will hit the ground after 10.308 seconds.

Step-by-step explanation:

h(t) = -16t² + 1700

If you graphed this function, the object would be shown hitting the ground when it crosses the x-axis, in other words, when h = 0. So, to find the answer, just set h(t) equal to 0 and solve.

-16t² + 1700 = 0   Plug this into a calculator if you have one.

t = -10.308 and t = 10.308

Since time can't be negative, your answer will be the positive value, 10.308.

The object, described by the equation h(t) = -16t^2 + 1700, will hit the ground after around 10.308 seconds. This is determined by setting h(t) to 0, yielding a valid, positive solution.

The provided equation h(t) = -16t^2 + 1700 describes the height (h) of an object as a function of time (t), taking into account gravitational acceleration. To determine when the object hits the ground, set h(t) to 0 and solve for t:

-16t^2 + 1700 = 0

Solving this equation using the quadratic formula or factoring yields two solutions: t = -10.308 and t = 10.308. However, time cannot be negative in this context, so the only valid solution is t = 10.308.

Consequently, the object will hit the ground after approximately 10.308 seconds. This conclusion is reached by identifying the point where the height function intersects the x-axis, representing ground level. The positive value for t ensures a meaningful interpretation in the temporal context, indicating the time elapsed until the object reaches the ground.

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Answer:

11a^2b^8

Step-by-step explanation:

Rule 1: The coefficient (121 in this case) has it's square root taken to derive the side.

Rule 2: If a variable with a power is part of the area of  a square, then just divide the power by two

The square root of 121 = 11

The square root of a^4 = a^(4/2) = a^2

The square root of b^16 = b^(16/2) = b^8

Answer:

Length of AC = 48 units.

Step-by-step explanation:

Given in parallelogram ABCD , diagonals AC and B intersects at a point E.

Length of AE = [tex]x^2-16[/tex] units and CE = 6x.

We have to find the length of AC.

According to the property of parallelogram:

Diagonals are intersecting each other at their midpoint.

Since, E is the midpoint AC ;

so, AE = CE

[tex]x^2-16[/tex] =6x

or we can write this as;

[tex]x^2-6x-16[/tex]=0

[tex]x^2-8x+2x-16[/tex]=0

[tex]x(x-8)+2(x-8)[/tex]=0

[tex](x-8)(x+2)[/tex] = 0

Zero product property states that if ab = 0 , then either a=0 or b =0.

By zero product property, we have;

(x-8) = 0 and (x+2) = 0

x = 8 and x = -2

Since, length x cannot be negative so we ignore x = -2.

then;

x = 8

AC = [tex]x^2-16[/tex] = [tex]8^2 -16 = 64- 16 =48[/tex] units.

Therefore, the length of AC = 48 units.

Answer:

I just took the test and got the answer AC=96.

Answer: Our function will be

[tex]d=180-9.2t[/tex]

Step-by-step explanation:

Since we have given that

Distance of the entrance = 180 meters

Speed of Nala who is running towards the entrance of the lair = 9.2

As we know the "Distance-Speed formula":

[tex]Time=\frac{Distance}{Speed}\\\\t=\frac{180}{9.2}\\\\t=19.565\\\\t=19.57\ seconds[/tex]

So, our required function will be

[tex]d=180-9.2t[/tex]

As we increase the time distance get reduced from 180 which is the distance of the entrance .

Hence, our function will be

[tex]d=180-9.2t[/tex]

Answer:

All the fields will be harvested in 6.25 days

Step-by-step explanation:

because 75 ÷ 12 and 62.5 ÷ 12 is 6.25

Answer:

32, 2/3 minutes.

Step-by-step explanation:

Divide the original mile time by two to get what half a mile would be. Multiply the original mile time by 3, since he is running 3 miles. Add 4 and 2/3, half of a mile time, to that and you're left with 32 minutes and 40 seconds.