can someone help me with this problem? Thank you!

Answer:

A,D E

Step-by-step explanation:

I took the quiz-ur welcome.

Dont forget to rate and thanks!

Answer:

A,D E

Step-by-step explanation:

Hey there! :)

Answer:

C. \(16x^{4}+ 16x^{3} - 12x^{2} - 32x-16\)

Step-by-step explanation:

Starting with:

(8x² - 4x - 8)(2x² + 3x + 2)

Begin multiplying the first equation by each of the second equation's terms:

2x²(8x² - 4x - 8) + 3x(8x² - 4x - 8) + 2(8x² -4x - 8)

Distribute:

\(16x^{4}- 8x^{3}- 16x^{2} + 24x^{3} - 12x^{2} - 24x + 16x^{2} - 8x -16\)

Simplify by combining like terms:

\(16x^{4}+ 16x^{3} - 12x^{2} - 32x-16\)

Therefore, the correct answer is C.

Answer: C i had a similar question like yours and got it right! :)

The answer to your question is that the only way to demonstrate causation is to conduct a controlled experiment. This domain involves manipulating one variable and measuring the effect it has on another variable while holding all other variables constant.

correlation simply shows a relationship between two variables, but it doesn't prove that one variable causes the other. There could be other factors at play that are influencing both variables. For example, there may be a correlation between ice cream sales and crime rates, but this doesn't mean that ice cream causes crime or vice versa. It's possible that a third variable, such as temperature, is influencing both ice cream sales and crime rates.

further into the complexities of establishing causation, such as the need for random assignment in experimental studies, the importance of replicating findings, and the challenges of applying experimental findings to real-world situations. However, the key point is that a controlled experiment is the most reliable method for establishing a causal relationship between variables.

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Answer: 5

Step-by-step explanation:

Marta will need 529 square inches of material to make the flag.

To find the area of the flag, we need to find the length and width of the rectangle that the flag forms. We can do this by adding the two given side lengths and dividing the result by 2:

So the length of the flag is 29.5 inches and the width is 18 inches. To find the area of the flag, we multiply the length by the width:

Thus, Marta will need 529 square inches of material to make the flag. At $0.15 per square inch, this will cost her 529 square inches * $0.15/square inch = $<<529*0.15=79.35>>79.35.

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Answer:

52 degrees

Step-by-step explanation:

<JRK and <GRO are vertical angles so that means that they have equal angle measures.

Answer:

Impossible

Step-by-step explanation:

i had the same question and got it right so here it is loll

The probability of drawing a card that is black and a diamond and flipping a coin that lands on heads is 1/52.

The probability of drawing a card that is black and a diamond and flipping a coin that lands on heads is the product of the probabilities of each event occurring separately.

Assuming that the deck of cards is a standard deck with 52 cards and that the coin is a fair coin with two equally likely outcomes, the probability of drawing a black diamond is 1/26, and the probability of flipping a coin and getting heads is 1/2.

Therefore, the probability of both events occurring together is:

P(drawing a black diamond and flipping heads) = P(drawing a black diamond) × P(flipping heads)

= (1/26) × (1/2)

= 1/52

So the probability of drawing a card that is black and a diamond and flipping a coin that lands on heads is 1/52.

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Answer: line ZX is congruent to line VX (option 4)

Step-by-step explanation:

We already know <X is congruent to <X, we also know that line YX is congruent to line XW. Now all we need is one more line adjacent to X which is going to be ZX ad VX

Answer:

x = 3.25 m

Step-by-step explanation:

First, find the height of the triangle using sin31:

sin 31 = h/9 ---> h = 9sin31 = 4.64 m

Next, we can now solve for x using tan55:

tan 55 = h/x --> x = (4.64 m)/(tan 55) = 3.25 m

The equation shows how to find the length of each piece is L = R / N and the length of each piece is 1.5 feet.

To find the length of each piece, we can use the following equation:

Length of each piece = Total length of the ribbon / Number of pieces

In mathematical terms, we can represent this equation as:

L = R / N

Where,

L is the length of each piece

R is the total length of the ribbon (66 feet in this case)

N is the number of pieces (44 in this case)

In this problem, we are given a 66-foot ribbon and we are asked to cut it into 44 equal pieces. We need to find out the length of each piece.

Using this equation, we can easily find the length of each piece:

L = 66 / 44

L = 1.5 feet

Therefore, each piece of the ribbon is 1.5 feet long.

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The area of the square is changing at 12√2 + 2√2t square inches/minute when the circle is increasing at 1 in/min.

Let us find the relationship between r and s using the Pythagorean theorem. Since the square is inscribed in the circle, the diameter of the circle is equal to the diagonal of the square.

2r = s√2
Squaring both sides, we get:
4r² = 2s²or s² = 2r²
Dividing by 2 on both sides, we get:
s²/2 = r²
Differentiating both sides with respect to t, we get:
ds²/dt = 2r (dr/dt)
Dividing both sides by 2s, we get:
ds/dt = r (dr/dt) / s

Substituting r² = s²/2,

\(ds/dt = r (dr/dt) / √2s2s ds/dt = r (dr/dt)s ds/dt = (r/2) (dr/dt)2s ds/dt = r (dr/dt) or dA/dt = 2s ds/dt = 2r (dr/dt)\)

Now, substituting r² = s²/2,

dA/dt = 2s ds/dt = 2(√2 s) (dr/dt) = 2(√2) r (dr/dt)

Now, substituting dr/dt = 1 in/min and r = 6 in (since the circle is increasing at 1 in/min, the radius after t minutes is 6 + t),

dA/dt = 2(√2) (6 + t) (1) = 12√2 + 2√2t square inches/minute

Therefore, the area of the square is changing at a rate of 12√2 + 2√2t square inches/minute.

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a. the integral \(I\) becomes \(\[I = a\theta + \sin(\theta) + C\]\) where \(\(C\)\) is the constant of integration. b. the integral \(I\) becomes \(\[I = \frac{1}{2}a\theta^2 + \sin(\theta) + C\]\) where \(\(C\)\) is the constant of integration.

To evaluate the integral \(I = \int (a + \cos(\theta)) \, d\theta\), we can apply the integral rules and properties. Let's consider the two given cases:

(a) If \(a > 1\):

In this case, the integral can be evaluated directly. The integral of \(a\) with respect to \(\theta\) is \(a\theta\), and the integral of \(\cos(\theta)\) is \(\sin(\theta)\). Therefore, the integral \(I\) becomes:

\[I = a\theta + \sin(\theta) + C\]

where \(C\) is the constant of integration.

(b) If \(a = a_0 + i e\), where \(a_0\) and \(e\) are real and positive:

In this case, the integral can also be evaluated using the same rules. The integral of a constant multiplied by a variable is \(\frac{1}{2}a\theta^2\), and the integral of \(\cos(\theta)\) is \(\sin(\theta)\). Therefore, the integral \(I\) becomes:

\[I = \frac{1}{2}a\theta^2 + \sin(\theta) + C\]

where \(C\) is the constant of integration.

It's important to note that the integral is evaluated based on the assumption that \(d\theta\) is the differential of \(\theta\) and not a different variable. Also, \(C\) represents the constant of integration, which can take any value.

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Answer:

$45

Step-by-step explanation:

5 * 15 = 75

120 - 75 = 45

Hope this helps!

Answer: she made 4 bracelets.

Step-by-step explanation:

Let x, y, z are the number of three kinds of beads, where x= number of pink beads.

As per given, number of pink beads= half of total beads  

\(\Rightarrow\ x=\dfrac{1}{2}(x+y+z)\\\\\Rightarrow 2x= x+y+z\\\\\Rightarrow\ x= y+z\ \ \ ...(i)\)

Also, She used all pink beads,  Number of pink beads she used for each bracelet= one eighths of the total number of beads

\(\dfrac{1}{8}(x+y+z)\\\\=\dfrac{1}{8}(x+x)\ \ \ [ {\text{From (i)}}]\)

\(=\dfrac{1}{8}(2x)\\\\=\dfrac{x}{4}\)bracelets =

Number of bracelets = (Number of pink beads) ÷ (Number of pink beads used for each bracelet)

\(=\dfrac{x}{\dfrac{x}{4}}=4\)

Hence, she made 4 bracelets.

Answer:

The given statement is "True"

Step-by-step explanation:

The right angle triangle is shown below:

The tangent value of an angle is given by the expression as shown below:

\(tan\alpha =\frac{a}{b}\)

Answer:

13. x = 2 - 5y

14. x= 6y + 2

Answer:

if you want to solve for x=1.5

if you want to solve for y=3

Answer:

y = -3 + 2x

x = 3/2 + 1/2y

x = 3/2

Step-by-step explanation:

If you need what y is equal to:

10x - 5y = 15

-10x           -10x

----------------------

-5y = 15 - 10x

-----     ----------

-5           -5

y = -3 + 2x

If you need what x is equal to:

10x - 5y = 15

       +5y   +5y

----------------------

    10x = 15 + 5y

    -----    ----------

     10         10

       x = 15/10 + 5/10 y

Simplify by 5:

x = 3/2 + 1/2y

10x + (-3 + 2x) = 15

12x - 3 = 15

      +3    +3

-----------------

  12x = 18

  -----   -----

    12     12

      x = 9/6 = 3/2

Hope this helped.

Therefore, the indicated z-score is 2.45.

To find the indicated z-score, we need to use a standard normal distribution table. From the graph, we can see that the area to the right of the z-score is 0.9850.
Looking at the standard normal distribution table, we find the closest value to 0.9850 in the body of the table is 2.45. This means that the z-score that corresponds to an area of 0.9850 is 2.45.
It's important to note that the standard deviation of the standard normal distribution is always 1. This is because the standard normal distribution is a normalized version of any normal distribution, where we divide the difference between the observed value and the mean by the standard deviation.

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Answer:

ok

Step-by-step explanation:

Answer:

9 because the constant of proportianlity is 3/4 and 3/4 of 12 is 9.

Answer:

Do not put A and I more than once, we already measured it before.

10 letters in all

Find how many there are per letter

C - 1/10

A - 2/10

L - 1/10

I - 2/10

F - 1/10

O - 1/10

R - 1/10

N - 1/10

Answer:

f(x) = -1/x^2 + 4e^x + 5x + 1 + 1/x - 4e^(-1)

Step-by-step explanation:

We can find the function f(x) by integrating f'(x) with respect to x:

â«f'(x) dx = â«(2/(x^3) + 4e^x + 5) dx

f(x) = -1/x^2 + 4e^x + 5x + C

To find the constant C, we can use the given initial conditions:

f(-1) = 1 = -1/(-1)^2 + 4e^(-1) - 5 + C

C = 1 + 1/1 - 4e^(-1)

f(x) = -1/x^2 + 4e^x + 5x + 1 + 1/x - 4e^(-1)

Therefore, the function f(x) is:

f(x) = -1/x^2 + 4e^x + 5x + 1 + 1/x - 4e^(-1)

Answer:

x = -6

Step-by-step explanation:

-28 = -7x + 5(x - 8)

-28 = -7x + 5x - 40

-28 = -2x - 40

12 = -2x

-6 = x

The unit tangent vector t(t) is (3, 4t, 2t) / sqrt(9 + 20t^2), and the unit normal vector n(t) is (3, 4, 2t) / sqrt(25 + 4t^2).

The unit tangent vector t(t) of the given vector function r(t) = (3t, 1 + 2t^2, t^2) is obtained by dividing the derivative of r(t) by its magnitude. The derivative of r(t) is (3, 4t, 2t), and the magnitude of this vector is sqrt(9 + 20t^2). Therefore, t(t) = (3, 4t, 2t) / sqrt(9 + 20t^2).

The unit normal vector n(t) can be obtained by dividing the derivative of t(t) by its magnitude. The derivative of t(t) is (3, 4, 2t), and the magnitude of this vector is sqrt(25 + 4t^2). Thus, n(t) = (3, 4, 2t) / sqrt(25 + 4t^2).

These unit vectors t(t) and n(t) represent the direction of motion and the direction of the curve's curvature at each point t, respectively, providing valuable information about the behavior of the vector function r(t).

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The real numbers can be classified as either rational or irrational numbers.

1. Rational Numbers:
Rational numbers can be expressed as the ratio (or fraction) of two integers. They can be written in the form p/q, where p and q are integers and q is not equal to zero. Rational numbers can be positive, negative, or zero. Some examples of rational numbers include 1/2, -3/4, and 5.

2. Irrational Numbers:
Irrational numbers cannot be expressed as the ratio of two integers. They are non-repeating and non-terminating decimals. Irrational numbers can be positive or negative. Some examples of irrational numbers include √2, π (pi), and e (Euler's number).

It is important to note that the set of real numbers contains both rational and irrational numbers. Every rational number is a real number, but not every real number is a rational number. This means that there are real numbers that cannot be expressed as a fraction.

In summary, the classification of real numbers as rational or irrational depends on whether they can be expressed as a ratio of integers (rational) or not (irrational). The set of real numbers contains both rational and irrational numbers, providing a comprehensive representation of all possible values on the number line.

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Answer:

3600

Step-by-step explanation:

Answer:

3600

Step-by-step explanation:

verificando :)

Complete question is;

A bee flies at 9 feet per second directly to a flower bed from its hive. The bee stays at the flowerbed for 15 minutes, and then flies directly back to the hive at 6 feet per second. It is away from the hive for a total of 18 minutes.

a. What equation can you use to find the distance of the flowerbed from the hive?

b. How far is the flowerbed from the hive?

Answer:

A) (d/9) + 900 + (d/6) = 1080

B) d = 648 ft

Step-by-step explanation:

A) We are told that A bee flies at 9 feet per second directly to a flower bed from its hive.

Time taken is given as;

t = distance/speed

If distance is d from the hive to the flower bird.

Then, t1 = d/9

The bee stays at the flowerbed for 15 minutes. Thus, time spent at the flowerbird in seconds is; t2 = 15 × 60 = 900 seconds.

We are told that the bee flew directly back to the hive at 6 feet per second.

Thus,time is;

t3 = d/6

Since total time spent away from hive is 18 minutes, then converting to seconds, we have; t = 18 × 60 = 1080 s

Thus;

(d/9) + 900 + (d/6) = 1080

B) Since we have derived;

(d/9) + 900 + (d/6) = 1080

Then we can find d.

Multiply through by 18 to get;

2d + (900 × 18) + 3d = 1080 × 18

2d + 16200 + 3d = 19440

5d = 19440 - 16200

5d = 3240

d = 3240/5

d = 648 ft

Answer:

17) 19

19) 8

Step-by-step explanation:

17)

(6 +6² -4)÷2

(6 +36 -4)÷2

(38)÷2

19

19)

3³ ÷3 - 1

27 ÷3 -1

9 -1

8