What is the value of function f(x) =3x - 7 when x=4

Answer:

Step-by-step explanation:vdcdcdcdcdc

Answer:

Step-by-step explanation:

It has one solution

The missing dimension (height) of the cylinder is 11.62 feet.

The formula for the volume of a cylinder is V = πr²h, where V is the volume, r is the radius, and h is the height.

Substituting the given values, we get:

3000 = π(9.3)²h

Simplifying and solving for h:

h = 3000 / (π(9.3)²)

h ≈ 11.62 feet

Thus, the missing dimension (height) of the cylinder is 11.62 feet.

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Step-by-step explanation:

Greetings !

Firstly, write down the given expression

\(g(x) = 2x + 8x - 1\)

simplify it to be more accurate where 2+8=10

\(g(x) = 10x - 1\)

plug in -3 in the value of x and simplify the expression

\(g( -3 ) = 10( - 3) - 1 \\ g( - 3) = - 30 - 1\)

Thus, subtract the numbers

\(g( - 3) = - 31\)

Hope it helps!

Answer:

its the 2 one you welcome

Answer:

1 1/2

Step-by-step explanation:

it is one whole and a half

Answer:

4 miles

Step-by-step explanation:

2/3 x 6= 4

Answer:

oof  we just went over that

Step-by-step explanation:

Answer:

c

Step-by-step explanation:

diffusion is move from high to low

Answer:

1/16

Step-by-step explanation:

NOT vanilla and NOT Saturday (1) over total (16)

1/16

Rounding this result to four decimal places, the approximation of the integral is approximately 42.9624.

To approximate the integral ∫0^72 sin(x) dx using the Midpoint Rule with n = 4, we need to divide the interval [0, 72] into four subintervals of equal width.

The width of each subinterval, Δx, can be calculated as (b - a) / n = (72 - 0) / 4 = 18.

The midpoint of each subinterval can be found by adding half of the width to the left endpoint of the subinterval. Therefore, the midpoints of the four subintervals are: 9, 27, 45, and 63.

Next, we evaluate the function at each midpoint and sum up the results multiplied by the width Δx:

Approximation ≈ Δx * (f(midpoint1) + f(midpoint2) + f(midpoint3) + f(midpoint4))

≈ 18 * (sin(9) + sin(27) + sin(45) + sin(63))

Using a calculator, we can evaluate this expression:

Approximation ≈ 18 * (0.4121 + 0.9564 + 0.8509 + 0.1674)

≈ 18 * 2.3868

≈ 42.9624

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Given:

Nuts = $2.50

Cereal mixture = $1

Find -: How much each should be added.

Sol:

Obtain = 60 kg.

Let nuts = x kg

Cereal = y kg

To obtain 60 kg means:

Pricing at $1.90 per kg means:

Put the value of "y" then:

Then the value of "y" is:

So,

In the mixture 36 kg of nuts and 24 kg of cereal.

Answer:

B

Step-by-step explanation:

In parallelogram LMNP,

The measure of angle N in degrees is 50°

Now, According to the question:

Let's know:

What is parallelogram?

A parallelogram is a special kind of quadrilateral that is formed by parallel lines. The angle between the adjacent sides of a parallelogram may vary but the opposite sides need to be parallel for it to be a parallelogram. A quadrilateral will be a parallelogram if its opposite sides are parallel and congruent.

The given data is :

In parallelogram LMNP, m∠L = 6x-40, m∠M = 4x+10

We know that, sum of the interior angles of parallelogram is 360°.

Here, m∠M=m∠P=4x+10

and, Here, m∠L=m∠N=6x - 40

m∠L+m∠M+m∠N+m∠P=360°

6x - 40 + 4x + 10 + 6x - 40 + 4x +10 = 360°

20x - 80 + 20 = 360°

20x - 60 = 360°

20x = 360° - 60

20 x = 300

x = 15°

Now, To find the measure of angle N in degrees.

where, m∠N = 6x - 40

Put the value of x

m∠N = 6 × 15 - 40

m∠N = 50°

Hence,  The measure of angle N in degrees is 50°

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In conclusion, the solution for this question is that Adriana's actual elevation is also approximately 13.3 meters above sea level.

How to solve?

To estimate Adriana's current elevation, we can simply find 80% of the total elevation gain and add it to her starting elevation:

Total elevation gain = 25 3/4 m - (-36.5 m) = 62.25 m

80% of 62.25 m = 0.8 * 62.25 m ≈ 49.8 m

Estimated current elevation = -36.5 m + 49.8 m ≈ 13.3 m

So we estimate that Adriana's current elevation is approximately 13.3 meters above sea level.

To find her actual elevation, we can use the same method but with the actual percentage of completion:

Actual elevation gain = 80% * (25 3/4 m - (-36.5 m)) = 0.8 * 62.25 m = 49.8 m

Actual elevation = -36.5 m + 49.8 m = 13.3 m

Therefore, Adriana's actual elevation is also approximately 13.3 meters above sea level.

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The boats are approximately 9.4 units apart.

To find the distance between two points in a coordinate plane, we can use the distance formula:

distance =\(\sqrt{((x2 - x1)^2 + (y2 - y1)^2)}\)

Using this formula, we can find the distance between Boat A at (4.2, -2) and Boat B at (-5.2, -2):

distance = \(\sqrt{((-5.2 - 4.2)^2 + (-2 - (-2))^2)}\)

distance = \(\sqrt{((-9.4)^2 + (0)^2)}\)

distance =\(\sqrt{(88.36)}\)

distance ≈ 9.4

Therefore, the boats are approximately 9.4 units apart.

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Answer:

95 = x

85 = z

75 = y

Step-by-step explanation:

**remember** all triangles contain 180 degrees

this means that the triangle to the left should add up to 180 to we can set up this equation

180 = 60 + 25 + x

180 = 85 + x

95 = x

now **remember** a flat line is 180 degress so x + z is 180... we can set up this equation:

x + z = 180

plug in x = 95 from before

95 + z = 180

z = 85

**remember** again that a triangle in 180 degrees so for the right one we can set up this equation by pluggging in the z=85

180 = 20 + 85 + y

180 = 105 + y

75 = y

Answer:

first option

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180° , thus

x = 180° - (60 + 35)° = 180° - 95° = 85°

The exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.

z is an exterior angle of the triangle , thus

z = 60° + 35° = 95°

Using the sum of angles in a triangle, then

y = 180° - (95 + 20)° = 180° - 115° = 65°

Thus

x = 85°, y = 65°, z = 95°

Do you mean the 5th roots of 1? Or the 5th roots of 1^(1/5), i.e. the 5th roots of the 5th roots of 1?

I assume you mean the former. To begin with,

1 = exp(0°i ) = cos(0°) + i sin(0°)

Take the 5th root, i.e. (1/5)th power of both sides, so that by DeMoivre's theorem,

1^(1/5) = [ cos(0°) + i sin(0°) ]^(1/5)

1^(1/5) = cos((0° + 360°n)/5) + i sin((0° + 360°n)/5)

where n = 0, 1, 2, 3, or 4. Then 1^(1/5) has the 5 possible values,

• cos(0°/5) + i sin(0°/5) = 1

• cos(360°/5) + i sin(360°/5) = cos(72°) + i sin(72°)

• cos(720°/5) + i sin(720°/5) = cos(144°) + i sin(144°)

• cos(1080°/5) + i sin(1080°/5) = cos(216°) + i sin(216°)

• cos(1440°/5) + i sin(1440°/5) = cos(288°) + i sin(288°)

If you wish, or are required to, you can go on to write these in terms of radicals by expanding cos(5x) and sin(5x) (where x = 72° so that 5x = 360°). For example,

cos(5x) = cos⁵(x) - 10 cos³(x) sin²(x) + 5 cos(x) sin⁴(x)

cos(5x) = cos⁵(x) - 10 cos³(x) (1 - cos²(x)) + 5 cos(x) (1 - cos²(x))²

cos(5x) = 16 cos⁵(x) - 20 cos³(x) + 5 cos(x)

which follows from the expansion

(cos(x) + i sin(x))⁵ = cos(5x) + i sin(5x)

due to DeMoivre's theorem and equating the real parts. Then cos(5x) = 1, and you can try to solve for cos(x) :

1 = 16 cos⁵(x) - 20 cos³(x) + 5 cos(x)

Actually, it would be easier to find sin(x) first, since sin(5x) = 0. The expansion in terms of sin(x) will look quite similar to the one shown here.

Answer: 47/100

Step-by-step explanation: 47/100 = 0.47.

Answer:

1) is 15.

2) is 4.

Step-by-step explanation:

hope this helps :)

Answer:

8,-7 is over in ll

-3,-7 is over in 4

thatsone big difference

lmk if this helped

Answer:

A = 7 x 9.3

A = 65.1 yd²

Step-by-step explanation:

(I am assuming that either 7 or 9.3 refers to the height. It is unclear.)

A = bh

Answer:

y = -x + 3

Step-by-step explanation:

The line is going down so the slope will be NEGATIVE

The line starts at (0, 3) which means the y-intercept is 3

The slope is -1 or -x

Answer:

  an = 6 +8(n -1)

Step-by-step explanation:

Usually, you're asked for a general term when you're studying arithmetic and/or geometric sequences. One way to tell which kind of sequence you have is to look at the differences between adjacent terms. If they are all the same, the sequence is arithmetic, and the general term is ...

  an = a1 +d(n -1)

where a1 is the first term, and d is the common difference.

Here, the differences are ...

  14 -6 = 8

  22 -14 = 8

  30 -22 = 8

These are all the same, hence a "common" difference. The first term is 6, so the general term is ...

  an = 6 +8(n -1)

Answer:

What is the question?

Step-by-step explanation:

I dont see the question.

Step-by-step explanation:

1 fig.:not polygon

2 fig: polygon ,convex hexagon

3 fig.:polygon concave quadrilateral

4 fig.:polygon ,concave hexagon

The average rate of change of the function is 1.6

From the question, we have the following parameters that can be used in our computation:

The graph

The interval is given as

−4≤x≤1.

From the graph, we have

f(-4) = -4

f(1) = 4

The average rate of change at this interval is calculated as

Rate = Change in function values/Change in x values

So, we have

Rate = (-4 - 4)/(-4 - 1)

Evaluate

Rate = 1.6

Hence, the rate is 1.6

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Answer:

Step-by-step explanation:

graph is translated left by 8 units

The polynomial function f(x) = x^3 + x^2 - 9x - 9 has a left-hand behavior that starts up and a right-hand behavior that ends down. The y-intercept is y = -9. The real zeros of the polynomial are x = -3, -1, and 3. The value of y at x = 2 is -13.

To sketch the polynomial function f(x) = x^3 + x^2 - 9x - 9 using the given information, we'll follow the four-step process:

Determine the left-hand behavior

As the left-hand behavior starts up, the leading term of the polynomial is positive, indicating that the graph goes towards positive infinity as x approaches negative infinity.

Determine the right-hand behavior

As the right-hand behavior ends down, the degree of the polynomial is odd, suggesting that the graph goes towards negative infinity as x approaches positive infinity.

Find the y-intercept

To find the y-intercept, we substitute x = 0 into the function:

f(0) = (0)^3 + (0)^2 - 9(0) - 9 = -9

Therefore, the y-intercept is y = -9.

Find the real zeros and their multiplicities

The given real zeros of the polynomial are x = -3, -1, 3.

The multiplicity of the zero located farthest left on the x-axis (x = -3) is not provided.

The multiplicity of the zero located between the leftmost and rightmost zeros (x = -1) is not provided.

The multiplicity of the zero located farthest right on the x-axis (x = 3) is not provided.

Evaluate a test point

To evaluate a test point, let's use x = 2:

f(2) = (2)^3 + (2)^2 - 9(2) - 9 = -13

Therefore, the value of y at x = 2 is -13.

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Answer:

13

Step-by-step explanation:

you just multiply the 2 together

Answer:

the answer is 4

Step-by-step explanation:

its a simple equation, not much work needed, reduce the numbers with the greates common factor 3

The increase in the minimum wage to $8.00 per hour could potentially lead to an increased demand for clothes due to higher purchasing power and potential shifts in consumer preferences.

We have,

Increasing the minimum wage to $8.00 per hour can have some impact on the demand for clothes.

Here are a few potential effects to consider:

Increased purchasing power:

When the minimum wage is increased, low-wage workers have more disposable income. This extra income can lead to increased consumer spending, including on clothing.

As a result, there could be a boost in the demand for clothes as more people can afford to purchase new clothing items.

A shift in consumer preferences:

With a higher minimum wage, individuals who previously had limited resources may now have the ability to choose higher-quality clothing or purchase from more expensive brands.

This shift in consumer preferences could lead to changes in the demand for different types of clothes and potentially result in an increase in demand for higher-end or premium clothing.

Price sensitivity:

While an increase in the minimum wage may provide workers with more spending power, some individuals may still be price-sensitive and prefer more affordable clothing options.

As a result, there may be continued demand for lower-priced clothing items or a preference for sales and discounts.

Employment and production costs:

An increase in the minimum wage could potentially lead to higher labor costs for clothing manufacturers and retailers.

To mitigate these increased costs, businesses may take steps such as adjusting their pricing strategies, implementing cost-saving measures, or exploring more efficient production methods.

These factors could impact the overall supply of clothes and potentially influence prices.

Thus,

The increase in the minimum wage to $8.00 per hour could potentially lead to an increased demand for clothes due to higher purchasing power and potential shifts in consumer preferences.

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Answer:

The answer to this question is B

Step-by-step explanation:

just believe

If A is a symmetric matrix, then A³ is also a symmetric matrix.

To prove this, we can use the definition of a symmetric matrix, which is a matrix that is equal to its transpose. In other words, if A is a symmetric matrix, then A = A^T.

Now, let's look at A³:

A³ = A * A * A

We can replace each A with A^T, since they are equal:

A³ = A^T * A^T * A^T

Now, we can use the property that the transpose of a product of matrices is equal to the product of their transposes in reverse order:

A³ = (A^T * A^T * A^T)^T

A³ = (A^T)^T * (A^T)^T * (A^T)^T

Since the transpose of a transpose is the original matrix, we can simplify:

A³ = A * A * A

Therefore, A³ is also a symmetric matrix.

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