Please help me for brainliest, a heart, and 5 star rating please!!!

Answer:

3 hours = 180min

15:20 = x:180

135:180

x = 135

135 miles

Step-by-step explanation:

Answer:

135 miles

Step-by-step explanation:

Essentially, you need to figure out what is done to 20 minutes to make it 3 hours then do the same to 15. In this case, 20 minutes, multiplied by 9 is 3 hours. So, do the same to 15 which results in 135 miles.

Hope this helps :)

To solve for taxes in equilibrium, we can start by substituting the given equations into the equation for YD:

YD = Y - T

Since C and T are constant, we can write:

YD = (c0 + c1YD) - (t0 + t1Y)

Now, we can rearrange the equation to isolate YD:

YD = c0 + c1YD - t0 - t1Y

Simplifying further:

YD - c1YD = c0 - t0 - t1Y

Factoring out YD:

YD(1 - c1) = c0 - t0 - t1Y

Dividing both sides by (1 - c1):

YD = (c0 - t0 - t1Y) / (1 - c1)

Now, let's analyze the effects of a drop in c0. If c0 decreases, it implies that consumption decreases. As a result, YD will decrease, leading to a decrease in Y. Taxes will also decrease because they are determined by YD.

If the government cuts spending to balance the budget, it will lead to a decrease in G. This decrease in spending will reduce Y and further decrease YD. However, the impact on Y will depend on the magnitude of the cut in spending.

If the cut in spending is significant, it can counteract the decrease in output caused by the drop in c0. On the other hand, if the cut in spending is small, it may reinforce the effect of the drop in c0 on output. The overall effect on Y will depend on the relative magnitudes of the changes in c0 and G.

A drop in c0 will decrease both Y and taxes in equilibrium. If the government cuts spending to balance the budget, the effect on Y will depend on the magnitude of the cut in spending relative to the decrease in c0.

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The cut in spending required to balance the budget counteracts the effect of the drop in c₀ on output (Y).

In equilibrium, taxes can be solved using the given equations:

C = c₀ + c₁YD

T = t₀+ t₁Y

YD = Y – T

To find taxes in equilibrium, we need to substitute the value of YD into the equation for taxes:

T = t₀ + t₁YD

Now, let's analyze the impact of a drop in c₀ on output (Y) and taxes (T).

When c₀ decreases, it means that the intercept of the consumption function (C) decreases.

This results in a decrease in consumption at every level of income. As a result, the aggregate demand decreases, leading to a decrease in output (Y).

The decrease in output (Y) leads to a decrease in income and, consequently, a decrease in disposable income (YD).

Since taxes (T) depend on disposable income, a decrease in YD will lead to a decrease in taxes (T).

Next, let's consider the effect of a government spending cut to balance the budget.

When the government cuts spending to balance the budget, it reduces its expenditure (G) without changing its tax revenue (T).

This reduction in government spending decreases aggregate demand, which in turn reduces output (Y).

However, since the government is keeping the budget balanced, the decrease in government spending is offset by the decrease in taxes (T) that occurs as a result of the decrease in output (Y).

Therefore, the cut in spending required to balance the budget counteracts the effect of the drop in c₀ on output (Y).

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The standard form of the given numbers is 207360 × 10¹⁷.

The number system is a way to represent or express numbers.

A decimal number is a very common number that we use frequently.

Since the decimal number system employs ten digits from 0 to 9, it has a base of 10.

Any of the multiple sets of symbols and the guidelines for utilizing them to represent numbers are included in the Number System.

Given the numbers is  (5 x 1,000,000) (6 x 100,000) (4 x 10,000) (8 x 1,000) (3 x 100) (2 x 10) (4 x 0.1) (9 x 0.001)

Now standard form means we need to write the exponents form.

So,

5 x 6 x 4 x 8 x 3 x 2 x 4 x 9 = 207360

And

1,000,000 x  100000 x 10000 x 1000 x 100 x 10 x 0.1 x 0.001 = 10¹⁷

So, combine 207360 x  10¹⁷

Hence "The standard form of the given numbers is 207360 × 10¹⁷".

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The probability that either event will occur is 0.4

A probability is a number that reflects the chance or likelihood that a particular event will occur. The certainty that an event will occur is 1 which is equivalent to 100%.

Probability = total outcome /sample space

total outcome = 16 + 5 + 5 + 9

total outcome = 35

Therefore;

P(AorB) = P(A) + P(B) - p(A and B)

P(A) = 10/35

P(B) = 9/35

p( A and B) = 5/35

P(A or B) = 10/35 + 9/35 - 5/35

= 14/35 = 0.40

therefore, the probability that either event will occur is 0.40

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Answer:

A linear function is a special type of function whose graphs are straight lines (as their name suggests). Let’s look at a straight line and find out what this particular shape of graph tells us about the relationship between the input  and the output  of a linear function.

Step-by-step explanation:

pls mark as brainliest

The given computer can be customized in six memory sizes, three types of displays, four hard disk sizes, and two possible options, including a pen tablet or not.

\We can calculate the number of possible systems by multiplying the number of options for each component together.

Then we can use the multiplication principle to get the number of possible systems:

Number of memory sizes

= 6Number of display types

= 3Number of hard disk sizes

= 4Number of possible options for pen tablet

= 2Using the multiplication principle, the number of possible systems that can be ordered is

= 6 x 3 x 4 x 2

= 144.

Therefore, there are 144 different systems that can be ordered.

The total number of different systems that can be ordered when customizing a computer can be calculated using the multiplication principle.

This principle is used when we want to find the total number of outcomes of a multi-step process by multiplying the number of possible outcomes for each step.

In this scenario, we need to consider four components of the computer that can be customized: memory size, display type, hard disk size, and pen tablet.

The number of options available for each of these components is 6, 3, 4, and 2 respectively.

Therefore, the number of possible systems that can be ordered is the product of these numbers:6 x 3 x 4 x 2 = 144

This means that there are 144 different systems that can be ordered depending on the choices made for each component.

This is a large number of options, and it highlights the importance of customization in modern computing systems. Customers can choose the exact specifications that meet their needs, rather than having to settle for pre-built systems that may not include the desired components or features. Therefore, the ability to customize computer systems is an important feature that makes them more versatile and useful for different purposes.

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Answer: Prove that the triangles are similar, and therefore the lines have the same slope and are parallel.

Answer:

A. Divide both sides of the equation by 3, and then subtract 6 from both sides of the equation. The solution is x = 1.

Step-by-step explanation:

3(x + 6) = 21

Divide both sides by 3

(x + 6) = 7

Subtract 6 from each side

x = 7-6

x=1

Answer:

x=1

Step-by-step explanation:

multiply 3 with (x+6) resulting into 3x+18=21

cross-multiply and divide through by 3.

There u go

Answer:

Step-by-step explanation:

3 boxes of pasta --> $5.79

1 box of pasta --> $5.79/3=$1.93

22 boxes of pasta --> $1.93 x 22 =$42.26

Answer:

is 144 a natural number yes or no

Yes

I'm not sure

The UCL-X for the average diameter is 0.564374 inches.
The LCL-X for the average diameter is 0.555626 inches.
Using a sample size of 6, the A2 value is 0.729.

The UCL-X (Upper Control Limit for the average) and LCL-X (Lower Control Limit for the average) can be determined using the formula:

UCL-X = Average diameter + (A2 * R)
LCL-X = Average diameter - (A2 * R)
1. Calculate A2 value using a control chart constants table. For a sample size of 6, A2 value is 0.729.
2. Plug in the values into the formulas:
  UCL-X = 0.56 + (0.729 * 0.006)
  LCL-X = 0.56 - (0.729 * 0.006)
3. Simplify the calculations:
  UCL-X = 0.56 + 0.004374 = 0.564374 inches
  LCL-X = 0.56 - 0.004374 = 0.555626 inches

Therefore, the UCL-X for the average diameter is 0.564374 inches.
The LCL-X for the average diameter is 0.555626 inches.
Using a sample size of 6, the A2 value is 0.729.

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The probability of choosing a letter other than the letter a from a bag that contains the fifteen letters of the Indian city Palasa Kasibugga is 11/15.

According to the question,

We have the following information:

Words are:

Palasa Kasibugga

Now, total number of letters = 15

Number of a in these words = 4

Number of letters other than a = 11

We know that the following formula is used to find the probability of an event:

Probability = Number of favorable outcomes/total number of outcomes

Probability = 11/15

Hence, the probability of choosing a letter other than the letter a from a bag that contains the fifteen letters of the Indian city Palasa Kasibugga is 11/15.

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Two scenarios that create right angle are 3 and 4.

In both the situations, Pythagoras theorem get satisfy with the sides which theorem is only applicable when there is right angle in the triangle.

Here's the explanation using 3 as an example :

From the statement we can assume that height of the window as the perpendicular(P) and distance from base(B) of the building to William as base of the triangle and line distance from Tom to William as hypotenuse(H) of the triangle.

Therefore, H = 130, B= 36.4 and P = 124.8

By Pythagoras theorem,

H² = P² + B²;

130² = 124.8² + 36.4²,

16900 = 15575.04 + 1324.96,

16900 = 16900

Hence satisfy the Pythagoras theorem, therefore triangle is right angle.

Similarly for the 4 statement.

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To calculate the cost of driving a diesel tractor trailer truck for 175.0 miles, we need to determine the number of gallons of fuel required and then multiply it by the cost per gallon.

Calculate the number of gallons of fuel needed. Given that the truck gets 8.500 miles per gallon, we divide the total distance (175.0 miles) by the fuel efficiency: 175.0 miles / 8.500 miles per gallon

= 20.59 gallons (approximately)

Calculate the cost of the fuel.Since diesel fuel costs $3.599 per gallon, we multiply the number of gallons needed by the cost per gallon: 20.59 gallons x $3.599/gallon = $73.89 (approximately) Therefore, it will cost you approximately $73.89 to drive the diesel tractor trailer truck for 175.0 miles, assuming it gets 8.500 miles per gallon and diesel fuel costs $3.599 per gallon.

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The probability of choosing the biased coin if you won a prize is 22/27 or 0.30556

What is probability?

The probability of any coin chose is 1/2.

Probability if biased chosen and win is 1/2(1-0.78).

The probability of win 1/2 (1-0.78) + 1/2 (1-0.5)

Therefore,

P(biased/win) = P(biased ∩ win) / P(win)

= 1/2(1-0.78) / [ 1/2 (1-0.78) + 1/2 (1-0.5) ]

= 1/2(0.22) / [ 1/2(0.22) +1/2(0.5) ]

= 22/27

= 0.30556

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The expression for the nth term an, for the infinite series s=∑n=1[infinity]an is ∑n=4¹⁶an = 468

We know that the sum of the first n terms of the series is given by sn. Therefore, we can find an expression for the nth term an by taking the difference between successive values of sn:

sn - sn-1 = an

(4-4n²) - (4-4(n-1)²) = an

Simplifying this expression, we get:

an = 8n - 4

Now we can use this expression to find the values of ∑n=1¹⁰an and ∑n=4¹⁶an:

∑n=1¹⁰an = a1 + a2 + ... + a10

= (81 - 4) + (82 - 4) + ... + (8*10 - 4)

= 76

Therefore, ∑n=1¹⁰an = 76.

Similarly,

∑n=4¹⁶an = a4 + a5 + ... + a16

= (84 - 4) + (85 - 4) + ... + (8*16 - 4)

= 468

Therefore, ∑n=4¹⁶an = 468.

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the answer is d

the equation you need to solve is:

5x + x-12 = 90

         +12    +12

6x=102

now, divide by 6 and you get x= 17

17-12 = 5

17 x 5 = 85

hope this helps!!

Answer:

V = 343/8 cubic inches

Step-by-step explanation:

Here, we want to find the volume of the cube given the length of its side

Mathematically, the volume of a cube is L^3

where L represents the length of one of its side.

3 1/2 = 7/2 inches

Thus we have; 7/2 * 7/2 * 7/2 = 343/8 inches cube

ANSWER

EXPLANATION

We want to find the value of cosθ for:

We are given that θ is in the third quadrant. This implies that it is between 180° and 270°.

First, we have to find the value of θ:

Since θ is in the third quadrant, it implies that:

Now, find the value of cosθ:

The answer is option A.

Answer:

ok 56 n po I hope it works

Answer:

0.0421

Step-by-step explanation:

We solve using the z score formula

z-score is is z = (x-μ)/σ,

where x is the raw score

μ is the population mean = μ = 8.9 pounds

σ is the population standard deviation = σ = 1.1 pounds

For x < 7 pounds

z = 7 - 8.9/1.1

= -1.72727

Probability value from Z-Table:

P(x<7) = 0.042059

Therefore, the proportion of domestic house cats weigh less than 7 pounds is

0.042059

Approximately = 0.0421

Answer:

the Ans is 3.4

Step-by-step explanation:

8(3x - 7) = -6(x + 7) + 4

24 x – 56 = -6x - 42 + 4

24x - 56 = -6x + 46

30 x = 102

X=3.4

We can apply the maximum modulus principle, which states that if a non-constant analytic function has its maximum modulus on the boundary of a region, then it is constant.

to prove that f has a pole in the region d(0, 1), we can make use of the argument principle and the maximum modulus principle.

given that f is meromorphic on the region u, it has no zeros or poles on the boundary dd(0, 1), which is the unit circle centered at the origin.

since f has a zero at 0, it means that the function f(z) = zⁿ * g(z), where n is a positive integer and g(z) is a meromorphic function with no zeros or poles in d(0, 1).

now, let's consider the function h(z) = 1/f(z). since f has no poles on dd(0, 1), h(z) is analytic on and within the region d(0, 1). we need to show that h(z) has a zero at z = 0.

if we assume that h(z) has no zero at z = 0, then h(z) is non-zero and analytic in the region d(0, 1). in this case, the region is d(0, 1), and h(z) has no zero at 0, so its modulus |h(z)| achieves a maximum on the boundary dd(0, 1).

however, this contradicts the fact that ref(z) > 0 for all z in ad(0, 1). if ref(z) > 0, then the real part of h(z) is positive, which implies that |h(z)| is also positive.

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Option D is the right choice.

The Gallup poll randomly selected 1000 individuals from Rhode Island (population just over 1,000,000) and 1000 individuals from California (population over 35,000,000). Because both samples have the same sample sizes, it can be assumed that they will be roughly equally accurate.

Taking a poll in the US. The department of Gallup that routinely conducts public opinion polls is called The Gallup Poll. In the form of data-driven news, Gallup Poll findings, analysis, and videos are released every day.

A simple random sample is a subset of people chosen at random from a larger group, all of whom were chosen with the same probability. It is a method of choosing a sample at random. Random sampling makes sure that the findings you get from your sample should be close to what you would have gotten if you measured the complete population.

The Gallup survey randomly selected 1000 individuals from Rhode Island (population just over 1,000,000) and 1000 individuals from California (population over 35,000,000). Because both samples have the same sample sizes, it may be assumed that they will be roughly equally accurate.

Therefore, Option D is correct.

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COMPLETE QUESTION:

A random sample of 1000 people from California (population over 35,000,000) and 1000 people from Rhode Island (population just over 1,000,000) was taken by the Gallup Poll. Which is correct?

a) The sample from California will be more biased because the sampling fraction is smaller

b) The sample from Rhode Island will be substantially more accurate than that from California because a higher sampling fraction was chosen.

c) The sample from California will have a larger sampling error than from Rhode Island because less of the population is sampled.  

d) Both samples will be approximately equally accurate because the sample sizes are the same

radius : A straight line extending from the center of a circle or sphere to the circumference or surface

In geometry, circles and spheres are two-dimensional and three-dimensional shapes, respectively, that possess unique characteristics. One important concept associated with circles and spheres is the notion of a line extending from their centers to their circumferences or surfaces. This line has a specific name and serves as a fundamental element in understanding these geometric shapes. In this detailed explanation, we will explore the term used to describe this line and delve into its significance.

The line extending from the center of a circle to its circumference, or from the center of a sphere to its surface, is called a "radius." The term "radius" refers to a straight line segment that connects the center of the circle or sphere to any point on its circumference or surface. It is important to note that the term "radius" is used exclusively when referring to circles and spheres and not to other shapes or objects.

Let's examine the properties and significance of the radius in both circles and spheres:

1. Circle:

In a circle, the radius is a fundamental element that defines the size and shape of the circle. It is the distance between the center of the circle and any point on its circumference. Notably, all radii of a circle are equal in length. In mathematical formulas and calculations involving circles, the radius is often denoted by the letter "r."

The radius plays a crucial role in determining various properties of the circle, including its area, circumference, and relationships with other geometric elements, such as chords and tangents.

2. Sphere:

In a sphere, which is a three-dimensional object analogous to a circle, the radius serves a similar purpose. It extends from the center of the sphere to any point on its surface. Like in a circle, all radii of a sphere are equal in length. In mathematical formulas and calculations involving spheres, the radius is typically denoted by the letter "r."

The radius of a sphere is essential in determining properties such as its volume, surface area, and relationships with other geometric elements like great circles or diameters.

The radius is a foundational concept in the study of circles and spheres. It provides a measure of distance from the center to the outer edge and is used in various mathematical calculations and geometric analyses. Moreover, the radius plays a crucial role in determining the symmetry, proportions, and relationships between different parts of circles and spheres.

It is worth mentioning that the concept of the radius is closely related to other geometric elements in circles and spheres. For instance, diameters are lines that pass through the center of a circle or sphere and have endpoints on the circumference or surface, respectively. The diameter is always twice the length of the radius. Additionally, chords are segments within a circle or sphere that connect any two points on the circumference or surface.

The radius bisects any chord that passes through the center, dividing it into two equal segments.

In conclusion, the line extending from the center of a circle to its circumference or from the center of a sphere to its surface is called a "radius." The radius is a fundamental element that defines the size, shape, and proportions of circles and spheres. It plays a crucial role in calculating various properties, such as area, circumference, volume, and surface area.

Understanding the concept of the radius is essential in geometry and provides insights into the symmetrical and proportional relationships within circles and spheres.

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-8(0.09) (-0.5) = 0.36

-8(0.09) (-0.5)

(-0.72) (-0.5)

0.36

Answer:

Step-by-step explanation:

This problem can be solved by multiplying left to right by a decimal.

-8(0.09)(-0.5)

First, you have to do is remove these parenthesis.

\(\sf{8*0.09*0.5}\)

Then, you solve.

Multiply.

\(\sf{8*0.09*0.5=\boxed{\sf{0.36}}}\)

=0.36

I hope this helps you! Let me know if my answer is wrong or not.

The value that gives how much greater is the mass of Venus than the mass of Mercury is given as follows:

\(1.48 \times 10^1\)

A number in scientific notation is given by the notation presented as follows:

\(a \times 10^b\)

With the base being \(a \in [1, 10)\), meaning that it can assume values from 1 to 10, with an open interval at 10 meaning that for 10 the number is written as 10 = 1 x 10¹, meaning that the base is 1, justifying the open interval at 10.

The masses are given as follows:

To obtain how many times greater the mass of Venus is, we divide the masses, hence:

\(\frac{4.87 \times 10^{24}}{3.3 \times 10^{23}} = 1.48 \times 10^1\)

Because:

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The correct option is (a) The correlation coefficient is approximately 0.57, with a positive direction; the slope is 0.41.

A scatter plot is a graph in which the values of two variables are plotted along two axes. The pattern of the resulting points reveals any correlation present between the two variables. If a line can be drawn through the points in such a way that most of the points fall close to the line, then there is a strong correlation between the two variables.

According to the given options, option (a) is the correct one as it states that the correlation between the age and bone density loss is positive and moderately strong, and the slope of the least squares regression line is 0.41. A positive correlation indicates that as the age of a person increases, the bone density loss also increases.

The slope of the least squares regression line measures the steepness of the line that best fits the data, and it tells us how much the bone density loss is expected to increase for a one-year increase in age.

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--The given question is incomplete, the complete question is given

" create a scatter plot of these two variables, with age as the x variable and bone density loss as the y variable. what is your conclusion about this linear relationship; and what is the slope of the least squares regression line?a.the correlation coefficient is approx 0.57, with a positive direction; the slope is 0.41.b.moderately strong negative linear relationship; slope of the least squares line is approx negative 0.41.c.a circular linear positive relationship; slope of the least squares line is approx positive 0.41d.none of the above "--

The exact values of the sine, cosine, and tangent of the angle 255° are -1/√2, 1/√2, and -1, respectively.

To find the exact values of the sine, cosine, and tangent of the angle 255°, we can use the identity that relates the trigonometric functions of an angle to the trigonometric functions of its complement.

By expressing 255° as the sum of 300° and -45°, we can determine the exact values of the trigonometric functions for the given angle.

We know that the sine, cosine, and tangent of an angle are periodic functions, repeating every 360 degrees. To find the exact values of the trigonometric functions for 255°, we can express it as the sum of 300° and -45°, where 300° is a multiple of 360°.

Since the sine, cosine, and tangent functions are odd or even functions, we can use the values of the trigonometric functions for 45° to determine the values for -45°.

For 45°:

sin(45°) = cos(45°) = 1/√2

tan(45°) = 1

Since cosine is an even function, cos(-45°) = cos(45°) = 1/√2.

Since sine is an odd function, sin(-45°) = -sin(45°) = -1/√2.

Using the definition of tangent as the ratio of sine to cosine, tan(-45°) = sin(-45°) / cos(-45°) = (-1/√2) / (1/√2) = -1.

Therefore, for the angle 255°:

sin(255°) = -1/√2

cos(255°) = 1/√2

tan(255°) = -1

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The simplified expression of cos^2x sin^4x is cos^2x - 2cos^4x + cos^6x.

The expression cos^2x sin^4x can be simplified by using the trigonometric identity that states sin^2x + cos^2x = 1.

We can rewrite cos^2x sin^4x as cos^2x (sin^2x)^2. Then, using the trigonometric identity sin^2x + cos^2x = 1, we can substitute (1 - cos^2x) for sin^2x.

This gives us cos^2x (1 - cos^2x)^2, which can be expanded using the binomial theorem to give cos^2x (1 - 2cos^2x + cos^4x).

Finally, we can simplify this expression further by distributing the cos^2x term and collecting like terms to get cos^2x - 2cos^4x + cos^6x.

Therefore, the simplified expression of cos^2x sin^4x is cos^2x - 2cos^4x + cos^6x.

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