Multiply the polynomials.
(3x² + 3x + 5)(6x + 4)
OA. 18x³ + 30x² +42x - 20
B. 18x³ + 30x² + 42x+ 20
OC. 18x³ + 6x² + 42x+ 20
D. 18x³ + 30x² + 2x - 20

Answer:

By multiplying -2 by 5 you get:

Step-by-step explanation:

- 10

Answer:

30 times

Step-by-step explanation

Answer:

30

Step-by-step explanation:

Answer:

15

Step-by-step explanation:

The numbers in the given data = 12, 17, 16, 10, 20

Total number = 5

12 + 17 + 16 + 10 + 20 = 75

Mean = 75/5

Mean 15

Answer:

a season your welcome: ]

Answer:

Seasons shouldn't be capitalized

The system equation that models the amount of calories from fats (f) and proteins (p) that the individual can consume to reach 1,800 calories is: f + p = 1,200. The equation that relates calories from protein (p) to calories from fat (f) based on the prescribed diet is: p = 3f. Solving the system of equations, we find that the individual should consume 300 calories from fats and 900 calories from proteins.

To find the equation that models the amount of calories from fats and proteins that the individual can consume in order to reach 1,800 calories, we consider that 600 calories will come from carbohydrates. Since the total goal is 1,800 calories, the remaining calories from fats and proteins should add up to 1,800 - 600 = 1,200 calories. Therefore, the equation is f + p = 1,200.

Based on the prescribed diet, the individual is required to consume calories from protein that are three times the calories from fat. This relationship can be expressed as p = 3f, where p represents the calories from protein and f represents the calories from fat.

To solve the system of equations, we substitute the value of p from the second equation into the first equation: f + 3f = 1,200. Combining like terms, we get 4f = 1,200, and dividing both sides by 4 yields f = 300. Substituting this value back into the second equation, we find p = 3(300) = 900.

Therefore, the individual should consume 300 calories from fats and 900 calories from proteins to meet the diet requirements and achieve a total of 1,800 calories.

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Answer:

2

Step-by-step explanation:

y=-20

-20=-8x-4

-16=-8x

x=2

Answer:

x = 2

Step-by-step explanation:

Given

y = - 8x - 4 ← let y = - 20 in the equation

- 20 = - 8x - 4 ( add 4 to both sides )

- 16 = - 8x ( divide both sides by - 8 )

2 = x

Answer:     a1=1/2;an=-4an-1

Step-by-step explanation: The last one

The requried simplified value of x in the given expression is given as x = 128/27.

The process in mathematics to operate and interpret the function to make the function or expression simple or more understandable is called simplifying and the process is called simplification.

Here,
Given expression,
x ÷ 2/3= 7 1/9

Simplifying the above expression,
x = (7×9 +1 / 9) × 2/3
x = 64/9 × 2/3
x = 128/27

Thus, the requried simplified value of x in the given expression is given as x = 128/27.

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The assumptions necessary for OLS (Ordinary Least Squares) estimates to be BLUE (Best Linear Unbiased Estimators) include A. Var[u|X]=0, B. E[u|X]=0, C. The errors are normally distributed. D. Conditional mean assumption, E. Random sampling from the population, G. Var[u|X]=sigma-squared, and H. (X,Y) i.i.d. No large outliers are also desirable but not strictly necessary.

The acronym BLUE stands for Best Linear Unbiased Estimators, and it represents the desirable properties of the OLS estimates. To achieve BLUE, several assumptions need to be met.

Firstly, A. Var[u|X]=0 assumes that the error term u has no conditional heteroscedasticity, meaning that the variance of u is constant for all values of X. Secondly,

B. E[u|X]=0 assumes that the error term u has zero conditional mean, implying that there is no systematic bias or omitted variables.

Additionally, C. The errors are normally distributed assumption assumes that the errors follow a normal distribution.

D. The conditional mean assumption assumes that the expected value of Y given X is a linear function of X.

E. Random sampling from the population assumes that the sample is a random representation of the population.

G. Var[u|X]=sigma-squared assumes that the conditional variance of u given X is constant and equal to sigma-squared.

H. (X,Y) i.i.d. assumption assumes that the observations of X and Y are independently and identically distributed. Finally, although not strictly necessary, no large outliers as they can potentially affect the estimation results.

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The correct explanation is (4). The spinner is likely fair, since in the output the player wins once or twice in the majority of the simulations.

The spinner is considered fair if the probability of winning each spin is 0.1, which means that the player should win about 1 out of every 10 spins. The output of the simulation shows that in the majority of the simulations, the player won once or twice, which is consistent with the expected probability of winning.

The fact that Miles lost all 10 times when he spun the spinner is just a matter of chance. It is possible to lose 10 times in a row even if the spinner is fair. In fact, the probability of losing 10 times in a row is about 0.1%, which is not very likely, but it is still possible.

Therefore, there is no evidence to suggest that the spinner is unfair. It is more likely that Miles simply lost due to chance.

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if the 20% of a number is 386, what will be 30% of the same number

Answer will be 157

If 20% of a number is 386,  30% of the same number is 579

Let the number be x.

So,we have:

20% * x = 386

Express 20% as 0.20

0.20 * x = 386

Divide both sides by 0.20

x = 1930

30% of the number is represented as:

30% * 1930

Evaluate the product

30% * 1930 = 579

Hence, 30% of the same number is 579

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Answer:

To expand (x + 4)², we can use the formula for squaring a binomial: (a + b)² = a² + 2ab + b². In this case, a = x and b = 4.

So,

(x + 4)² = x² + 2(x)(4) + 4²

= x² + 8x + 16

Thus, (x+4)² when expanded and simplified gives x² + 8x + 16.

Step-by-step explanation:

Answer:

x²n+ 8x + 16

Step-by-step explanation:

(x + 4)²

= (x + 4)(x + 4)

each term in the second factor is multiplied by each term in the first factor, that is

x(x + 4) + 4(x + 4) ← distribute parenthesis

= x² + 4x + 4x + 16 ← collect like terms

= x² + 8x + 16

Step-by-step explanation:

y = 200  - 3 *x  has slope = -3   this is downward sloping from L to R

Answer:downward sloping

Step-by-step explanation:

negative slope

the answer will be 5,427 because we need to round the six and since 8 is greater that 5, we aproximate 6 to 7

Answer:

Terms: 7, 5c, 2k, 15

Variables: C, K

Co efficients: 5, 2

Constants: 7, 15

The answer is 0.3 or 0.30

PLEASE MARK ME AS BRAINLIEST

Answer:

The slope is -3/5=-0.6

Step-by-step explanation:

Slope: (5-8)/(8-3)= -3/5=-0.6

Answer:

\(m=-\frac{3}{5}\)

Step-by-step explanation:

Step 1: Slope

Step 2: Set up equation and solve for m

The appropriate simulation applet to calculate an approximate p-value is 0.0077.

The strong evidence that a short delay hinders the memorization process is strong data suggests that a brief delay impairs memorization.

Delay or no delay, answer: the number of words remembered

The mean distance between words remembered with and without delay over time is null, or zero.

Alt: The mean distance in words remembered over the long term (with no delay minus with delay) is higher than 0.

Yes, the majority of the lines do skew to the right. The mean for no delay is 10.55 whereas that for with delay is 8.7.

The mean distance in words remembered is 1.85.

1)0.0077 as the p-value

2)Strong data suggests that a brief delay impairs memorization.

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Answer:

0.13188 km

Step-by-step explanation:

The distance covered by the bicycle wheel can be calculated using the formula:

distance = circumference x number of revolutions

The circumference of the wheel can be calculated using the formula:

circumference = 2 x pi x radius

where pi is approximately equal to 3.14.

Substituting the given values:

circumference = 2 x 3.14 x 30 cm

circumference = 188.4 cm

Now, we can calculate the distance covered by the wheel:

distance = circumference x number of revolutions

distance = 188.4 cm x 70

distance = 13188 cm

To convert this distance from centimeters to kilometers, we need to divide by 100,000 (since there are 100,000 centimeters in a kilometer):

distance = 13188 cm ÷ 100,000

distance = 0.13188 km

Therefore, the distance covered by the bicycle wheel is approximately 0.13188 km.

According to the question 35 can be accurately placed between 5 and 6, but it is notably closer to 6 on the number line.

The number 35 would be plotted on the number line between 5 and 6, but closer to 6. When considering the interval between 5 and 6 as a whole, 35 falls closer to the 6 side. It is not exactly midway between the two numbers, but its proximity leans towards 6.

This positioning indicates that 35 aligns more closely with the value of 6 rather than 5. Visually, if we were to divide the distance between 5 and 6 into equal parts, the point representing 35 would be located at a distance closer to 6.

Therefore, 35 can be accurately placed between 5 and 6, but it is notably closer to 6 on the number line.

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Answer:About 1,012 Inches

Step-by-step explanation:

Answer:

\(-x^{15}y^{21}\)

Step-by-step explanation:

To simplify the given expression, use exponent rules.

Given expression:

\(\left(-2x^5y^7\right)^3+7x^{15}y^{21}\)

\(\textsf{Apply the exponent rule:} \quad (a^b)^c=a^{bc}\)

\(\implies (-2)^3x^{(5 \cdot 3)}y^{(7\cdot3)}+7x^{15}y^{21}\)

Simplify:

\(\implies -8x^{15}y^{21}+7x^{15}y^{21}\)

Factor out the common term x¹⁵y²¹:

\(\implies \left(-8+7\right)x^{15}y^{21}\)

Simplify:

\(\implies \left(-1\right)x^{15}y^{21}\)

\(\implies -x^{15}y^{21}\)

Answer: 1/6

Step-by-step explanation:

Probability of getting heads or tail is:

P (H) = P(T) = 1/2

The probability of getting any number on the die is:

P (1) = P (2) = P(3) = P (4) = P (5) = P (6) = 1/6

The probability of getting a tail on the coin and a number less than 3 on the die is:

\(P($Tails and a number less than 3$)=P($Tails$) \times P$(A number less than 3)$$\begin{aligned}&=\frac{1}{2} \times[P(1)+P(2)] \\&=\frac{1}{2} \times\left[\frac{1}{6}+\frac{1}{6}\right] \\&=\frac{1}{6}\end{aligned}$$\)

Therefore the required of getting tails and a number less than 3 is 1/6

True. The causal theory of perception is the view that our experiences, such as our sensations and ideas, are caused by physical objects acting on our sense organs.

According to this causal theory of perception, when an object in the external world acts on our sense organs, it causes certain neural processes to occur, which in turn give rise to our conscious experiences. The causal theory of perception holds that there is a causal relationship between physical objects in the external world and our conscious experiences. When an object interacts with our sense organs, it causes certain neural processes to occur in our brain, which ultimately give rise to our conscious experiences of the object. So, the physical object is the cause, and our conscious experience is the effect.

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The best estimate for the cord length of the necklace with 88 beads is approximately 34 inches.

Based on the given regression equation, y = 2.52x + 1.61, where y represents the number of beads and x represents the cord length, we can estimate the cord length for a necklace containing 88 beads.

To find the cord length, we need to solve the equation 2.52x + 1.61 = 88.

Solving the equation, we get:

2.52x = 88 - 1.61

2.52x = 86.39

x = 86.39 / 2.52

x ≈ 34.32

Therefore, the best estimate for the cord length of the necklace with 88 beads is approximately 34 inches.

Based on the regression equation y = 2.52x + 1.61, the equation represents the relationship between the cord length (x) and the number of beads (y). By substituting y = 88 into the equation, we can solve for x. The solution x ≈ 34.32 indicates that the best estimate for the cord length of the necklace containing 88 beads is approximately 34 inches. This estimation is derived from the regression line, which provides a trend in the data and allows us to make predictions or estimates based on that trend.

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The equation that correctly solves the given equation for t is C) t = (100 - G) / 4

To solve for t in the equation G = -4t + 100, we need to isolate t on one side of the equation. To do this, we start by subtracting 100 from both sides:

G - 100 = -4t + 100 - 100

Simplifying the right side:

G - 100 = -4t

Finally, dividing both sides by -4:

t = (100 - G) / -4

So, option C) t = (100 - G) / 4 correctly represents the equation for t in terms of G.

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Your question is incomplete but most probably the full question was:

A swimming pool is being drained. The number of gallons of water in the pool changes with time t according to the equation G = -4t + 100.

Which equation correctly solves the given equation for t?

A) t = 4G - 100

B) t = -4G + 100

C) t =

100 - G

4

D) t =

G - 100

4

The parametric equation for the ellipse with foci (0, −2), (8, −2), and vertex (9, −2) is ((x-9)^2/64) + (y+2)^2/36 = 1.

To find the equation for the ellipse with the given foci and vertex, we can use the standard form of the equation for an ellipse:

((x-h)^2/a^2) + ((y-k)^2/b^2) = 1,

where (h, k) is the center of the ellipse, a is the distance from the center to the vertex, and b is the distance from the center to the co-vertex. Since the foci are on the x-axis, the center of the ellipse is at (c, −2), where c is the distance from the center to a focus. Using the distance formula, we have:

c = √(8^2/4) = 4

The distance from the center to the vertex is a = 5, since the vertex is 5 units to the right of the center. The distance from the center to the co-vertex is b = 3, since the co-vertex is 3 units above or below the center. Substituting these values into the standard form of the equation, we get:

((x-9)^2/25) + (y+2)^2/9 = 1

Since the foci are on the x-axis, we have:

2c = 8, or c = 4

The distance from the center to the vertex is a = 5, so:

a^2 = 25

Using the relationship between a, b, and c for an ellipse, we have:

b^2 = a^2 - c^2 = 25 - 16 = 9

Substituting these values into the standard form of the equation, we get:

((x-9)^2/64) + (y+2)^2/36 = 1

Therefore, the equation for the ellipse with foci (0, −2), (8, −2), and vertex (9, −2) is ((x-9)^2/64) + (y+2)^2/36 = 1.

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Answer:

115x=y

Step-by-step explanation:

18 white and 27 black

Step-by-step explanation:

add 2 + 3 to get 5

45 ÷ 5 = 9

since white is 2, multiply 9 by 2 to get 18

since black 3, multiply 9 by 3 to get 27

Answer: 5 yards will be left over.

Step-by-step explanation:

8 * 7 = 56

so then you would minus 56 from 61 which equals 5.  Sorry if that's a weird way to get it but...