any help pls brainless

Answer:

185

Step-by-step explanation:

Hope this helps

Answer:

Step-by-step explanation:

Find the number of cups in 80 gallons:

Now multiply the number of cups by 4 since each cup of ice cream  is equivalent of 4 cookies:

(a) -2.5A has an x-component of 13.225 m and a y-component of -10.857 m. (b) For A + B, the magnitude is approximately 18.098 m, and the direction is approximately 14.198° counterclockwise from the +x-axis. (c) For A - B and B - A, both have a magnitude of approximately 28.506 m, and the direction is approximately -8.080° counterclockwise from the +x-axis.

Given Magnitude of vector A: |A| = 7.5 m

Angle from the positive x-axis: θ = 145° (counterclockwise)

(a) X-component of vector A:

Ax = |A| * cos(θ)

  = 7.5 * cos(145°)

  ≈ -5.290 m

(b) Y-component of vector A:

Ay = |A| * sin(θ)

  = 7.5 * sin(145°)

  ≈ 4.343 m

Now, let's calculate the components of vector -2.5A.

(a) X-component of -2.5A:

(-2.5A)x = -2.5 * Ax

        = -2.5 * (-5.290 m)

        ≈ 13.225 m

(b) Y-component of -2.5A:

(-2.5A)y = -2.5 * Ay

        = -2.5 * (4.343 m)

        ≈ -10.857 m

Next, let's consider vector B, which has triple the magnitude of vector A and points in the +x direction.

Given:

Magnitude of vector B: |B| = 3 * |A| = 3 * 7.5 m = 22.5 m

Direction: Since vector B points in the +x direction, the angle from the positive x-axis is 0°.

Now, we can calculate the desired quantities using vector addition and subtraction.

(a) A + B: Magnitude: |A + B| = :\(\sqrt{((Ax + Bx)^2 + (Ay + By)^2)}\)

                  = \(\sqrt{((-5.290 m + 22.5 m)^2 + (4.343 m + 0)^2)}\)

                  = \(\sqrt{((17.21 m)^2 + (4.343 m)^2)\)

                  ≈ 18.098 m

Direction: Angle from the positive x-axis = atan((Ay + By) / (Ax + Bx))

                                        = atan((4.343 m + 0) / (-5.290 m + 22.5 m))

                                        = atan(4.343 m / 17.21 m)

                                        ≈ 14.198° (counterclockwise from the +x-axis)

(b) A - B: Magnitude: |A - B| = \(\sqrt{((Ax - Bx)^2 + (Ay - By)^2)}\)

                  = \(\sqrt{((-5.290 m - 22.5 m)^2 + (4.343 m - 0)^2)}\)

                  = \(\sqrt{((-27.79 m)^2 + (4.343 m)^2)}\)

                  ≈ 28.506 m

Direction: Angle from the positive x-axis = atan((Ay - By) / (Ax - Bx))

                                        = atan((4.343 m - 0) / (-5.290 m - 22.5 m))

                                        = atan(4.343 m / -27.79 m)

                                        ≈ -8.080° (counterclockwise from the +x-axis)

(c) B - A:Magnitude: |B - A| = \(\sqrt{((Bx - Ax)^2 + (By - Ay)^2)}\)

                  = \(\sqrt{((22.5 m - (-5.290 m))^2 + (0 - 4.343 m)^2)}\)

                  = \(\sqrt{((27.79 m)^2 + (-4.343 m)^2)}\)

                  ≈ 28.506 m

Direction: Angle from the positive x-axis = atan((By - Ay) / (Bx - Ax))

                                        = atan((0 - 4.343 m) / (22.5 m - (-5.290 m)))

                                        = atan((-4.343 m) / (27.79 m))

                                        ≈ -8.080° (counterclockwise from the +x-axis)

So, the complete step-by-step calculations provide the values for magnitude and direction for each vector addition and subtraction.

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The complete question is:

The magnitude of vector  A  is 7.5 m. It points in a direction which makes an angle of 145  ∘  measured counterclockwise from the positive x-axis. (a) What is the x component of the vector −2.5  A  ? m (b) What is the y component of the vector −2.5  A  ? m (c) What is the magnitude of the vector −2.5  A  ? m following vectors? Give the directions of each as an angle measured counterclockwise from the +x-direction. If a vector A has a magnitude 9 unitsand points in the -y-directionwhile vector b has triple the magnitude of A AND points in the +x direction what are te direction and magnitude of the following.

(a)  A  +  B  magnitude unit(s) direction ∘ (counterclockwise from the +x-axis) (b)  A  −  B  magnitude unit(s) direction ∘ (counterclockwise from the +x-axis) (c)  B  −  A  magnitude unit(s) direction - (counterclockwise from the +x-axis)

Answer:

Step-by-step explanation:

the probability that a student scored greater than 65 is 0.2389.

The probability that a student scored greater than 65 can be calculated using the standard normal distribution and the z-score. The z-score represents the number of standard deviations a value is from the mean, and can be calculated as follows:

z = (x - mean) / standard deviation

Where x is the score of interest (65)

Mean is the average score of the students (70)

Standard deviation is the standard deviation of the scores (7).

Plugging in the values, we get

z = (65 - 70) / 7 = -0.714.

Using a standard normal distribution table, we can find the probability that a student scored greater than 65 by finding the area to the right of the z-score. The probability of a student scoring greater than 65 is approximately 0.2389, or 23.89%.

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Answer:

D. <KLN and < HIL

Step-by-step explanation:

Corresponding angles make the letter F.

The given statement "Everyone in this neighborhood owns a car. George lives in this neighborhood. Therefore, George owns a car." is an example of universal instantiation.

Universal instantiation is a valid logical inference rule that allows us to infer a specific instance from a universal statement. It is based on the idea that if a statement applies to every member of a group or category, then it must also apply to a specific individual within that group.

In the given statement, the universal statement is "Everyone in this neighborhood owns a car." This statement asserts that every member of the neighborhood owns a car. By applying universal instantiation, we can infer that George, who is a member of this neighborhood, also owns a car. This inference is valid because George is part of the group described by the universal statement, and thus the statement applies to him as well.

To further understand this concept, let's break down the options provided:

a. Universal instantiation: This is the correct answer. It refers to the process of deriving a specific instance from a universally quantified statement.

b. Existential generalization: This rule allows us to infer the existence of at least one instance based on specific instances. It is not applicable to the given statement.

c. Existential instantiation: This rule allows us to introduce a new instance based on the existence of a specific instance. It is not applicable to the given statement.

d. Universal generalization: This rule allows us to infer a universally quantified statement from specific instances. It is not applicable to the given statement.

In conclusion, the example provided is an instance of universal instantiation because it derives a specific instance (George owning a car) from a universally quantified statement (everyone in the neighborhood owning a car).

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Step-by-step explanation:

The conjugate of the complex root must also be a zero of the function if the complex root is already a zero.

Conjugate of -4 + 3i is -4 - 3i.

Hence -4 - 3i is also a zero of the function.

Answer:

-4 - 3i

Step-by-step explanation:

If a zero of a function is a+bi, there is at least one other zero, a-bi, called the conjugate.

The x-intercept of f(x) is 4

The y-intercept of f(x) is -8.

A function is a relationship between inputs where each input is related to exactly one output.

Example:

f(x) = 2x + 1

f(1) = 2 + 1 = 3

f(2) = 2 x 2 + 1 = 4 + 1 = 5

The outputs of the functions are 3 and 5

The inputs of the function are 1 and 2.

We have,

f(x) = x³ - 7x² + 14x - 8

One of the factors of f(x) is (x - 4).

This means,

x = 4

Now,

The x-intercept is when y = 0.

The y-intercept is when x = 0.

When y = 0 we get the x value.

x = 4 is a factor.

The x-intercept is x = 4.

Now,

Put x = 0,

f(x) = y

y = x³ - 7x² + 14x - 8

y = 0 - 0 + 0 - 8

y = -8

Thus,

The x-intercept of f(x) is 4

The y-intercept of f(x) is -8.

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Answer:

24

Step-by-step explanation:

56/7 = 8

56 is 8 times 7, so you need 8 times 3.

8 × 3 = 24

7:3 = 56:24

Answer:

24

Step-by-step explanation:

7 is being multiplied by 8 so just multiply 3 by 8 witch will give you 24

Answer:

The answer is option 2.

Step-by-step explanation:

Given that the TU and UF added up together to form a length of 32. In order to find TU, you have to subtract length of UF from 32 :

TU + UF = 32

TU + 20 = 32

TU = 32 - 20

TU = 12

Answer:

5/6

Step-by-step explanation:

1/2=3/6

1/3=2/6

2/6+3/6=5/6

Answer:

x-int: (3, 0)

y-int: (0, -1.5)

Step-by-step explanation:

x-intercept is the x-value when y = 0

y-intercept is the y-value when x = 0

Step 1: Find x-intercept

0 = (x - 3)/2

0 = x - 3

x = 3

(3, 0)

Step 2: Find y-intercept

y = (0 - 3)/2

y = -3/2

(0, -1.5)

The correct answer to this open question is the following.

Although the question does not include references, under that context we can say that if Canada experiences rapid and prolonged economic growth, instead of México, this would affect Canada's economic growth for the better and it will have a direct impact in various US states, basically, the border states to Canada.

This would mean more trade relations and people border crossing activity due to the increase of trade and businesses.

However, let's have in mind that México, Canada, and the United States have signed a new trade agreement that substitutes the North American Free Trade Agreement (former NAFTA). The new agreement is called USMCA, the United States, México, and Canada Agreement, and creates tight trade bonds between the three countries.

Answer:

grow quickly: michigan minnesota new york

not impacted: texas n. carolina

Step-by-step explanation: states that border canada are expected to gain from trade easier.

The difference in the measures of the two angles is 90 - 84 = 6 °

Theorem of Complementary Angles states that two angles are complementary if the sum of their measures is equal to 90°.

This question can be solved using the theorem of complementary angles, which states that if two angles add up to 90°, then they are complementary angles.

1. Since <A is a right angle, m<A = 90°

2. To find the measure of angle B, solve the equation 9x - 24 = 90.

3. 9x = 114, so x = 12.5.

4. Therefore, m<B = 9x - 24 = 108 - 24 = 84.

5. The difference in the measures of the two angles is 90 - 84 = 6°

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Answer:

10 m/s

Step-by-step explanation:

The phrase "how fast she is going" tells us that we need to find her speed.

To find her speed, we need to take her distance (50 meters) and divide it by the time (5 seconds):

Runner's Speed = Distance ÷ Time

Runner's Speed = 50 ÷ 5

Runner's Speed = 10 m/s

Hence, the girl's speed is 10 m/s

The following are crucial factors in hypothesis testing:

In statistics, the process of hypothesis testing involves putting an analyst's presumption about a population parameter to the test.

Thus, before conducting the hypothesis testing, a null hypothesis as well as an alternative hypothesis are established.

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The probability that the mean lifetime of 25 randomly selected tires of this type will exceed than 42,000 miles is 25.14.

To break this problem, we need to use the standard normal distribution, assuming that the distribution of tire continuances is roughly normal. We can regularize the value of 42,000 using the formula

z = ( x- μ)/ σ

where x is the value of interest( 42,000 long hauls), μ is the mean tire continuance( 40,000 long hauls), and σ is the standard deviation( 3,000 miles). Plugging in the values, we get

z = ( 42,000- 40,000)/ 3,000 = 0.67

Using a standard normal distribution table or calculator, we can find the probability that an aimlessly named tire will last further than 42,000 long miles by looking up the area to the right of z = 0.67 under the standard average wind. This probability is roughly 25.14.

thus, the probability that a tire named arbitrarily from this brand will last more than 42,000 miles is roughly 25.14.

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The correct question is given below-

A particular brand of tires lasts an average of 40,000 miles with a standard deviation of 3,000 miles. What is the probability a tire selected at random lasts more than 42,000 miles?

As similarity theorem, the value of x that will make the triangles similar by SSS similarity theorem is 77.

Similarity theorem:

In math, similarity theorem refers the line segment splits two sides of a triangle into proportional segments if and only if the segment is parallel to the triangle's third side.

Given,

Here we need to find the t value of will make the triangles similar by the similarity theorem.

For example, we are told that the 2 triangles are similar by SSS theorem.

Here we know that, SSS means Side - Side -Side and it is a congruence theorem which states that the 3 corresponding sides of two triangles have same ratio, then we can say that the two triangles are congruent by SSS theorem

Therefore, in the triangles ,applying the SSS postulate gives;

=> x/35 = 44/20

Then by applying the multiplication property of equality, let us multiply both sides by 35 to get;

=> x = (44 * 35)/20

When we simplify this one then we get,

=> x = 77

Therefore, the value of x is 77.

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Answer: A

Step-by-step explanation:

Miguel started running, and he runs 1 mile in the first week, then the equation will be y = 2x + 1. Hence, option A is correct.

Equations are mathematical expressions that have two algebra on either side of an equal (=) sign. The expressions on the left and right are shown to be equal to one another, demonstrating this relationship. L.H.S. = R.H.S. (left-hand side = right side) is a fundamental simple equation.

As per the given information in the question,

Miguel runs for 1 mile in the first week.

Then, his goal is to run 2 miles farther than his distance for the previous week.

Then the equation will be: y = 2x + 1

Here, y is the total distance and x is the number of miles.

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Answer:14

Step-by-step explanation:took the test

Answer: The selling price was at first $776 but then the store advertised a 30% markdown on the system. Find the current sale price.

Step-by-step explanation:

$776 - (30% of $776) = $ x :: current sale price

776 - 776 * 0.3 = x

776 * (1 - 0.3) = x

776 * 0.7 = 543.20

Current sale price for the computer system is $543.20.

T A can be seen as a linear transformation from R^2 to R^3.

To find the range and codomain of the matrix transformation T A, we need to first determine the matrix T A . The matrix T A is obtained by multiplying the input vector x by A:

T A (x) = A x

Therefore, T A can be seen as a linear transformation from R^2 to R^3.

To determine the range of T A , we need to find all possible outputs of T A (x) for all possible inputs x. Since T A is a linear transformation, its range is simply the span of the columns of A. Therefore, we can find the range by computing the reduced row echelon form of A and finding the pivot columns:

A =  (\left[\begin{array}{cc}1 & 2 \ 1 & -2 \ 0 & 1\end{array}\right]) ~ (\left[\begin{array}{cc}1 & 0 \ 0 & 1 \ 0 & 0\end{array}\right])

The pivot columns are the first two columns of the identity matrix, so the range of T A is spanned by the first two columns of A. Therefore, the range of T A is the plane in R^3 spanned by the vectors [1, 1, 0] and [2, -2, 1].

To find the codomain of T A , we need to determine the dimension of the space that T A maps to. Since T A is a linear transformation from R^2 to R^3, its codomain is R^3.

If the functions were not linear, it would not make sense to talk about their range or codomain in this way. The concepts of range and codomain are meaningful only for linear transformations.

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Explanation:

Replace every x with -3

Then use the order of operations (PEMDAS) to simplify

y = -2x^2 + x - 5

y = -2(-3)^2 + (-3) - 5 ... x replaced with -3

y = -2(9) - 3 - 5

y = -18 - 3 - 5

y = -21 - 5

y = -26

Answer:

-26

Step-by-step explanation:

1. plug in -3 for all x's

  -2(-3)^2 + (-3) -5

2. combine like terms

  -2(-3)^2 - 8

3. pEmdas. deal with exponent first (remember: only affect the 3, since it's in parentheses! also when you square a negative number, it becomes positive!)

  -2(9) - 8

4. peMdas. multiply -2 and 9 next.

  -18 - 8

5. pemdaS. subtract 8 from -18.

  -18 - 8 = -26

Answer:

5 to 4

Step-by-step explanation:

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I did it on good notes

If you want the length of the tube to be 30 inches and the volume to be 589 cubic inches, the radius of the base of the cylindrical packing tube should be approximately 2.56 inches.

To find the radius of the base of the cylindrical packing tube, we need to use the formula for the volume of a cylinder:

V = πr²h

where V is the volume, r is the radius, and h is the height (or length) of the cylinder.

We are given that the length (or height) of the tube is 30 inches and the volume is 589 cubic inches. Substituting these values into the formula, we get:

589 = πr²(30)

Simplifying this equation, we can divide both sides by 30π:

589 / (30π) = r²

Taking the square root of both sides, we get:

r ≈ 2.56 inches (rounded to two decimal places)

Therefore, the radius of the base of the cylindrical packing tube should be approximately 2.56 inches.

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