For what values of m does the graph of y = mx?- 5x-2 have no
5x - 2 have no x-intercepts?​

The total expenses of Carl for the month by first rounding each value to the nearest tens place is $587.5.

What is total amount?

Total refers to an entire or complete amount, and the verb "to total" means to combine two numbers or to destroy something. In mathematics, you add numbers to get the total; the outcome is the total. The result of adding 8 and 8 is 16.

Given:

Carl lives in an apartment and pays the following expenses each month: electric bill, $34. 60; TV streaming service, $24. 99; and rent, $527. 85.

We have to find the total amount of Carl expenses.

First round the numbers to the nearest tenth.

Electric bill = $34.60 = $34.6

TV streaming service = $24.99 = $25.0

Rent = $527.85 = $527.9

Now to add all the numbers.

⇒ $34.6 + $25.0 + $527.9 = $587.5

Hence, the total expenses of Carl for the month by first rounding each value to the nearest tens place is $587.5.

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Answer:0.0019g

Step-by-step explanation:

Answer:

c is 35

d is 13

Step-by-step explanation:

I multiplied both sides, and then simplified the equation.

( plz give me brainliest, that would be most appreciated! )

If the slopes are equal, we can conclude that the segment joining the midpoints of two sides of a triangle is parallel to the third side.

To prove that the segment joining the midpoints of two sides of a triangle is parallel to the third side, we can follow these steps:

Assign (x, y) coordinates to points A, B, and C: Let's assume that point A has coordinates (x1, y1), point B has coordinates (x2, y2), and point C has coordinates (x3, y3).

Calculate the coordinates of the midpoints: The midpoint of AB, denoted as M, can be calculated as ((x1 + x2)/2, (y1 + y2)/2), and the midpoint of AC, denoted as N, can be calculated as ((x1 + x3)/2, (y1 + y3)/2).

Calculate the slope of MN: The slope of a line passing through two points (x1, y1) and (x2, y2) is given by (y2 - y1)/(x2 - x1). So, the slope of MN is ((y1 + y3)/2 - y1)/((x1 + x3)/2 - x1).

Calculate the slope of AB: Similarly, the slope of AB is (y2 - y1)/(x2 - x1).

Show that the slopes are equal: Compare the slope of MN with the slope of AB. Simplify the expressions and check if they are equal. If the slopes are equal, it means that the segment joining the midpoints is parallel to the third side of the triangle.

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Answer: 1/10 is literally only one out of 10. the fraction to a decimal is 0.1 so, 3 x 0.1 is 0.3 and 3 x 10 is 30.

0.3 is less than 30.

Step-by-step explanation:

When the determinant of matrix B is also 2.

When a scalar multiple of a row is multiplied by a matrix, the determinant of the resulting matrix is also multiplied by that scalar.

Given that the determinant of matrix A is det(A) = 2, and matrix B is obtained from A by multiplying the third row by 4, we can determine the determinant of B.

Let's denote the original matrix A as A₀ and the modified matrix B as B.

Multiplying the third row of A₀ by 4 yields matrix B. However, this operation does not affect the determinant of A₀, so det(B) = det(A₀).

Therefore, det(B) = det(A₀) = 2.

Hence, the determinant of matrix B is also 2.

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The cost to sign up for kick boxing lessons was $1.

To solve this problem, you can set up a system of linear equations to represent the given information. Let "x" represent the cost of each lesson.

Andrew paid for 5 lessons, so the total cost for his lessons was 5x.

Kara paid for 10 lessons, so the total cost for her lessons was 10x.

The total cost for both of their lessons was $113 + $188 = $301.

So, the equation for the total cost of their lessons is 5x + 10x = $301.

Combining like terms, we get 15x = $301.

Dividing both sides by 15, we get x = $20.

This means that each lesson costs $20.

To find the cost of the one-time fee to sign up, we can subtract the cost of the lessons from the total cost. The cost of the lessons was 15x = 15 * $20 = $300.

So, the cost of the one-time fee was $301 - $300 = $1.

Therefore, the cost to sign up for kick boxing lessons was $1.

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Expected Rate of Return, the standard deviation of expected return and the asset which can be added to the portfolio are discussed in the given scenario.

The expected rate of return (ERR) can be calculated using the formula:ERR = Σ (probability of occurrence of each scenario x the expected return of that scenario)ERR = (0.25 x 40%) + (0.50 x 25%) + (0.25 x -15%)ERR = 10%The standard deviation of the expected return (SDERR) can be calculated using the formula:SDERR = √ [(probability of occurrence of each scenario x (expected return of that scenario - ERR)²)]SDERR = √ [(0.25 x (40% - 10%)²) + (0.50 x (25% - 10%)²) + (0.25 x (-15% - 10%)²)]SDERR = 24.35%The given expected return for Asset B is 18.32% and the standard deviation for asset B is 19.51%. From the above calculations, we can see that the expected rate of return is 10%, and the standard deviation of the expected return is 24.35%. The asset B's expected rate of return is greater than the expected rate of return calculated. However, the standard deviation of the expected return of asset B is greater than the standard deviation of the expected return calculated. Therefore, the asset B should not be added to the portfolio.

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Answer:

  x = 6 m

Step-by-step explanation:

Given a diagram showing a semicircle atop a rectangle that is 8 m wide, you want to know the height of the rectangle when the overall height of the figure is 10 m.

All points on a circle are the same distance from its center. The center of a semicircle is the midpoint of its straight side. Here, the diameter of the semicircle is shown as 8 m, so the midpoint will be 4 m from either side.

The top point of the semicircle will be 4 m from the center on the top edge of the rectangle.

Since the overall height is 10 m, the rectangle must be 10 -4 = 6 meters high.

The value of x is 6 m.

The predicted gold-medal-winning distance of 26.25 meters is just a prediction, and the actual gold-medal-winning distance may vary is the answer.

The long jump is one of the track and field events that have been in the Olympics since the inception of the modern Olympics in 1896. In men's long jump, Bob Beamon's jump of 8.90 meters at the 1968 Mexico City Olympic Games is considered the longest. This was achieved at an altitude of 2,240 meters, which implies that the rarefied atmosphere made it simpler for him to cover a long distance. Since 1968, no athlete has been able to jump as far as Beamon did. The men's long jump has seen a general increase in performance over the years. Athletes are now jumping considerably further than they were 100 years ago. The Olympic long jump record progression chart is shown below. Analyzing the trendline reveals that long jump performances have increased at a rate of roughly 0.14 meters every four years since 1896.

Therefore, to predict the gold-medal-winning distance at the 2020 Tokyo Olympics, we will use the following model: 8.89 + 0.14(2020 - 1896) = 8.89 + 0.14(124) = 8.89 + 17.36 = 26.25 meters.

The above analysis is built on the assumption that long jump performances will continue to improve at the same rate they have since 1896. This is a significant assumption because other variables, such as the participants' age, body type, climate, and so on, may influence long jump performance.

As a result, the predicted gold-medal-winning distance of 26.25 meters is just a prediction, and the actual gold-medal-winning distance may vary.

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Answer:

322

Step-by-step explanation:

58+264=322

Answer:

322 feet

Step-by-step explanation:

if the question was two positive heights, you would subtract, and you still do. we find how many inches my father is taller than me by subtracting my height from his, and the same applies to this, though the submarine, being below sea level is at a negative height. when you subtract a negative, it's the same as adding a positive.

264 - (-58)          

264 + 58 = 322

The product of all integer divisors of n that also divide m is 1728.

To find the product of all integer divisors of n that also divide m, we first need to list down all the divisors of n.

1. Start by finding all the positive divisors of n. Divide n by each positive integer starting from 1 up to the square root of n. If n is divisible by the current number, both the number and n divided by the number are divisors of n.
2. Next, find the negative divisors of n. Multiply each positive divisor by -1 to obtain its negative counterpart.
3. Combine the positive and negative divisors to get a list of all the divisors of n.
4. Check each divisor if it also divides m. If a divisor divides both n and m, include it in the final list.
5. Calculate the product of all the divisors that also divide m by multiplying them together.

For example, if n = 12 and m = 24:
1. The positive divisors of 12 are 1, 2, 3, 4, 6, and 12. The negative divisors are -1, -2, -3, -4, -6, and -12.
2. The divisors that also divide 24 are 1, 2, 3, 4, 6, and 12.
3. The product of all these divisors is 1 * 2 * 3 * 4 * 6 * 12 = 1728.

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The four color theorem-No more than 4 colors are required to color the regions map

Answer:

y=29

X=21

Step-by-step explanation:

180-60=120

4y+4=120 get y by itself and remember that what ever you do to one side you do to the other.

Alternate interior angles are congruent so 3x-3=60

Hence, the values of  \(y=29,x=21\).

What is a degree?

A degree, usually denoted by °, is a measurement of a plane angle in which one full rotation is \(360\) degrees.

Here given that,

The measure of \(x\) and \(y\) is

\((3x-3) (4y+4)\) and the angle is  \(60\) degrees.

As we know the sum of three angles is \(180\) a degree.

\(180-60=120\) degree

Since \(4y+4=120\) get \(y\) we are doing it on the one side so we need to do it on the other side also.

And the alternate angles are congruent \(3x-3=60\) degrees.

Hence, the values of  \(y=29,x=21\).

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Answer:

Step-by-step explanation:

Remove the brackets

-90 - 27i - 66 - 34i                              

Combine like terms

- 90- 66 - 27i - 34i

-156 - 61i

Answer:

x = 3

Step-by-step explanation:

Is x an exponent?

\( y = 3^x \)

\( 27 = 3^x \)

\( 3^3 = 3^x \)

\( x = 3 \)

We can proved that the sum of the squares of the diagonals of a parallelogram is equal to the sum of the squares of its sides.

Let's denote the vertices of the parallelogram as A, B, C, and D, with O as the midpoint of AC and BD.

First, we can see that triangles ABO and CDO are congruent by the Side-Side-Side (SSS) postulate, since they share side BD, and both have sides AB and CO of equal length due to O being the midpoint of BD. Therefore, angles AOB and COD are congruent, and we can denote their measure as θ.

Using the Law of Cosines in triangles ABO and CDO, we can express the squares of the diagonals AC and BD in terms of the sides of the parallelogram:

AC² = AB² + BC² - 2(AB)(BC)cosθ

BD² = AB² + BC² + 2(AB)(BC)cosθ

Adding these two equations together, we get:

AC² + BD² = 2(AB² + BC²)

which is the desired result. Therefore, we have shown that the sum of the squares of the diagonals of a parallelogram is equal to the sum of the squares of its sides.

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Answer: Yes

Step-by-step explanation:

If \(y=k/x^2\) passes through point (10,-2.4), this means that k/100=-2.4, so k=-240

For y=k/x^2 where x=-1/5, y=-6000, so C is correct

Answer:

Yes and no.  It depends on how you set up the problem.  You can set it up as an addition or a subtraction problem.  As a subtraction problem you would use zero pairs, but it you rewrote the expression as an addition problem then you would not need zero pairs.

Step-by-step explanation:

You can:

You can add 7 zero pairs.

_ _ _ _ _ _ _ _ _ _ _  The 4 negative and 7 zero pairs.  

            + + + + + + +

I added 7 zero pairs because I am told to take away 7 positives, but I do not have any positives so I added 7 zero pairs with still gives the expression a value to -4, but I now can take away 7 positives.  When I take the positives away, I am left with 11 negatives.

_ _ _ _ _ _ _ _ _ _ _.

I can rewrite the problem as an addition problem and then I would not need zero pairs.

- 4 - 7 is the same as -4 + -7  Now we would model this as

_ _ _ _

_ _ _ _ _ _ _

The total would be 7 negatives.

The change in the nominal exchange rate, in Canada's perspective, is a depreciation of the Canadian dollar by 2.76%.

Nominal exchange rate is the price of one currency in terms of another currency. It represents the number of units of one currency that can be purchased with a single unit of another currency. In Canada's perspective, a change in nominal exchange rate means the value of the Canadian dollar in US dollars. So, to calculate the change in nominal exchange rate from Canada's perspective.

Nominal Exchange Rate = Real Exchange Rate x (1 + Inflation of Canada) / (1 + Inflation of US) Given, Real Exchange Rate of Canada

= 4.9% Inflation of Canada

= 8.5% Inflation of US

= 3.8%  Nominal Exchange Rate

= 4.9% x (1 + 8.5%) / (1 + 3.8%) Nominal Exchange Rate

= 4.9% x 1.085 / 1.038 Nominal Exchange Rate

= 5.3099 / 1.038 Nominal Exchange Rate

= 5.11 (rounded to two decimal places)

This means that if there were no inflation, the nominal exchange rate from Canada's perspective would have been 5.11 Canadian dollars per US dollar. But due to inflation, the Canadian dollar depreciated by 2.76% (calculated as (5.11 - 4.97) / 5.11 x 100%). Therefore, the change in the nominal exchange rate, in Canada's perspective, is a depreciation of the Canadian dollar by 2.76%.

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The proportion of the variation in the dependent variable y that is explained by the estimated regression equation is measured by the coefficient of determination.

What is coefficient of determination?

The effectiveness of a statistical model in forecasting a result is shown by the coefficient of determination (R²). The dependent variable in the model is a representation of the result.

R² can have a value of 0 or 1, with 1 being the maximum achievable. Simply said, a model's R² will be closer to 1 the more accurate its predictions are.

R² is a more precise measure of goodness of fit. The amount of volatility in the dependent variable that the model can account for.

You can typically tell whether your linear regression data's R² is high or low by graphing it. The graphs below, for instance, display two sets of simulated data:

Dots represent the observations.

The line of best fit, or predictions of the model, is displayed as a black line.

Purple lines represent the deviations (the residuals) between the data and their expected values.

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Answer:

1,11,110

Step-by-step explanation:

Answer: C.

Step-by-step explanation:

If the figure gets rotated 270ᴼ, then all of the transformed sides are perpendicular to the sides of the original figure.

The slope of DE is 2/4 (2 units up, 4 units over) or 1/2. If D’E’ is perpendicular to DE, then the slopes have negative reciprocals.

DE’s slope: 1/2

D’E’ slope: -2/1 or -2 (down 2, over 1)

The expression 2a^2 - 4b - 4a(b-a) = -44 when a=4 and b=7. and 72a^2 - 4b - 4a(b - a) = 1076 when a=4 and b=7.

For a=4 and b=7, we have the following solutions of the expression (a)

2a^2 - 4b - 4a(b-a) = 2(4)^2 - 4(7) - 4(4)(7-4)

= 2(16) - 4(7) - 4(4)(3)

= 32 - 28 - 48

= -44

Therefore, 2a^2 - 4b - 4a(b-a) = -44 when a=4 and b=7.

Similarly,we have the following solutions of the expression (b)

72a^2 - 4b - 4a(b - a) = 72(4)^2 - 4(7) - 4(4)(7-4)

= 72(16) - 28 - 48

= 1152 - 76

= 1076

Therefore, 72a^2 - 4b - 4a(b - a) = 1076 when a=4 and b=7.

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About 75% of the students' scores exceeded the score mentioned in the boxplot.

In a boxplot, the box represents the interquartile range (IQR), which contains the middle 50% of the data. The lower whisker extends to the minimum value within 1.5 times the IQR below the first quartile (Q1), and the upper whisker extends to the maximum value within 1.5 times the IQR above the third quartile (Q3).

Since the boxplot does not provide specific numerical values, we can infer that the mentioned score lies within the upper whisker, which represents the top 25% of the data. Therefore, about 75% of the students' scores exceeded this score.

It's important to note that without the actual values or specific percentiles, we can only estimate the percentage based on the visual representation of the boxplot. The exact percentage may vary depending on the scale and distribution of the data. To obtain a more precise estimate, additional information such as the quartiles or a histogram of the scores would be needed.

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The perimeter and area of a parallelogram can be determined if the length and width are known.

The perimeter of a shape is simply the total length of the boundary that the shape has. It should be noted that in this case, it's gotten by adding all the length that the shape has.

Without additional information, it is not possible to determine the exact perimeter and area of each cookie. Assuming the length and width are given, we can use the formula for the perimeter of a parallelogram (2 times the sum of the length and width) and the formula for the area of a parallelogram (length times width) to find the desired quantities.

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Answer:

x = 7

Step-by-step explanation:

2x + 14 = 4x

14 = 4x - 2x

14 = 2x

14/2 = x

7 = x

Therefore, the value of the variable that will result in congruent triangles is 7 in.

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Answer:

10:5 OR 2:1

Step-by-step explanation:

Let x be the parts of 25% dextrose and

y be the parts of 10% dextrose are mixed so that

20% dextrose mixture is obtained.

amount of dextrose in the mixture will be 20% of (x+y).

We have to find the value of \(\frac{x}y \ OR\ x:y\)

Now, we can apply the concept that sum of amount of dextrose in the two liquids will be equal to the amount of dextrose in the mixture.

\(\Rightarrow x \times 25\% + y \times 10\%=(x+y)\times 20\%\\\Rightarrow x \times\dfrac{25}{100} + y \times \dfrac{10}{100}=(x+y)\times \dfrac{20}{100}\\\Rightarrow x \times25 + y \times 10=(x+y)\times 20\\\Rightarrow 25x + 10y=20x+20y\\\Rightarrow 25x -20x =20y-10y\\\Rightarrow 5x=10y\\\Rightarrow \dfrac{x}{y} = \dfrac{10}{5}\\\Rightarrow \bold{x:y=10:5\ OR\ 2:1}\)

So, the answer is 10:5 or 2:1.

Answer:

4.90% is approximately the new Dextrose concentration.

Explanation:

Volume by Volume percent is given by ;

Volume percentage of dextrose solution = 5%

In 100 mL of solution 5 ml of dextrose is present.

Now, volume sterile water added was equal to the 40% of volume of dextrose volume.

So, volume of the sterile water added =  

Total volume of the solution after addition of water = 100 mL + 1 mL = 102 mL

New concentration of dextrose will be;

4.90% is approximately the new Dextrose concentration.

Step-by-step explanation: