THIS IS FOR 50 POINTS AND A BRAINLYS! BUT IF IT WRONG I WILL REPORT YOU!

When you add or subtract whole numbers, always start with the ______.
hundreds
tenths
ones
tens

Answer: y = -6x - 2  

Step-by-step explanation:

54x + 15 = -3(3y + 1)   To solve for y distribute on the right side to get,

54x + 15 = -9y -3        Add 3 to both sides

      +3             +3

54x  + 18 = -9y        Divide each term by -9 on each side.

y = -6x - 2

Answer______

54x + 15 = -3 (3y + 1)

54x + 15 = -9y -3

+3 +3

54x + 18 = -9y

y = -6x - 2

On solving the provided question we can say that in the graph we have been provided with the equation y = 4x^2;  y = 0

Mathematicians use graphs to logically convey facts or values using visual representations or charts. A graph point will typically reflect a relationship between two or more things. Nodes, or vertices, and edges make form a graph, a non-linear data structure. Glue together the nodes, often referred to as vertices. This graph has vertices V=1, 2, 3, 5, and edges E=1, 2, 1, 3, 2, 4, and (2.5), (3.5). (4.5). Statistical charts (bar charts, pie charts, line charts, etc.) graphical representations of exponential growth. a logarithmic graph in the shape of a triangle

here,

in the graph we have been provided with the equation

y = 4x^2

and x = 0

so , y = 0

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Answer

Distance = 4.1 km

Explanation

Let the distance between Jane's house from school be x

The distance can be calculated using pythagora's theorem

Therefore, the distance between Jane's house from school is 4.1 km

The answer to ur question is 1

The required solutions are x = 6/5 and x = -1/2 to the given quadratic equation 10x² - 7x - 6 = 0.

The quadratic equation is defined as a function containing the highest power of a variable is two.

The quadratic equation is given in the question:

10x² - 7x - 6 = 0

We have to determine all solutions to the given equation

As per the given question, we have

10x² - 7x - 6 = 0

10x² - 12x + 5x - 6 = 0

2x(5x - 6) + 1(5x - 6) = 0

(5x - 6)(2x + 1) = 0

Equating the above factors to zero, we get

5x - 6 = 0 and 2x + 1 = 0

5x = 6 and 2x = -1

x = 6/5 and x = -1/2

Therefore, the required solutions are x = 6/5 and x = -1/2 to the given quadratic equation 10x² - 7x - 6 = 0.

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Answer:

$31.88

Step-by-step explanation:

Given

Consumer charges = 2530.16cents

Consumer charges in dollars = $25.3016

Interest rate per day = 0.042%

Interest gotten per day = 0.042×25.3016

Interest per day = $1.06266

Interest in 30 days = ,30×1.06266

Interest in 30 days = $31.88

Answer:

c pls mark barliest

Step-by-step explanation:

Data triangulation is a research method that involves using multiple data sources or methods to gather and analyze information, enhancing the validity and comprehensiveness of findings.

Data triangulation is a research method that involves using multiple sources or methods to gather and analyze data on a particular topic or research question. By combining different data sources, researchers aim to enhance the validity, reliability, and comprehensiveness of their findings.

Two real-world examples of data triangulation are:

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Answer:

The distance is 36 miles.

Step-by-step explanation:

distance in either direction = d

total time = 5

time going = t

time returning = 5 - t

speed = distance/time

going:

speed = distance/time

18 = d/t

d = 18t       Eq. 1

returning:

speed = distance/time

12 = d/(5 - t)

60 - 12t = d

d =  60 - 12t     Eq. 2

Eq. 1 and Eq. 2 form a system of equations.

d = 18t

d = 60 - 12t

Since d = d, then 18t must equal 60 - 12t

18t = 60 - 12t

30t = 60

t = 2

d = 18t = 18(2) = 36

The distance is 36 miles.

The formula for Observed Score is; Observed score (X) = True score (T) + measurement error (e)

The formula for Observed Score is;

Observed score (X) = True score (T) + measurement error (e)

1) True score is the score that would be obtained if an individual took a test an infinite amount of times and those test scores were averaged. The concept of true score is theoretical because you can't give someone something an infinite number of times.

2) Standard error of measurement is the standard deviation of multiple test scores (how far the sample mean of the data is likely to be from the true population mean).

The less random error (e) in the measure, the more the observed score X approximates the true score T.

Thus;

Observed score = True Score + Error

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The matrix A is not invertible.

A matrix is invertible if and only if it is square and its determinant is non-zero. In the given case, matrix A is a 5 × 5 matrix and can be written as A = BC, where B is a 5 × 4 matrix and C is a 4 × 5 matrix.

Since B is a 5 × 4 matrix and C is a 4 × 5 matrix, the product BC will be a 5 × 5 matrix, which is the same size as A. However, the rank of the product BC cannot be greater than the smaller of the ranks of B and C. Since B is a 5 × 4 matrix, its rank cannot be greater than 4, and similarly, the rank of C cannot be greater than 4. Therefore, the rank of the product BC cannot be greater than 4.

Since the rank of A is the same as the rank of BC, the rank of A cannot be greater than 4. However, for a 5 × 5 matrix to be invertible, its rank must be 5.

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Answer:Arrangment 2

Step-by-step explanation:1/3 times 3 to both sides is 3/9

Answer:

115

Step-by-step explanation:

Answer:

Sebastian is going to choose design elements that include color, pattern, font, and image for the design of a sweatshirt for his dance team. There are 10 colors, 14 patterns, 12 fonts, and 9 images for him to choose from. (He will choose only one of each.)

How many different sweatshirt designs are possible?

Step-by-step explanation:

It's 4320

900 + 315 + 150 = 1,365 square yards is the total area. The sum of triangles 1 and 2 is 315 square yards.

To calculate the size of the playground, divide the land into two triangles, a rectangle, and a square, and then add the areas of each.

Given that it is 50 yards long and 18 yards broad, the rectangle's area is.

900 square yards is the area of a rectangle, which is equal to length times breadth times 50 divided by 18.

One of the triangles has the following area at a height of 35 yards and a base of 18 yards:

Triangle 1 has an area of 315 square yards, or (18 35) / 2 (base x height).

Since the second triangle's top side is marked as 50 yards, its base is 20 yards, and its height is 50 - 35 = 15 yards, its area is as follows.

150 square yards is the area of triangle 2 (20 15) / 2 (base x height).

Consequently, the playground's overall size is:

900 + 315 + 150 = 1,365 square yards is the total area. The sum of triangles 1 and 2 is 315 square yards.

The option that most closely resembles the estimated playground area is 1,750 square yards. But this option is not the appropriate one. The correct response is 1,365 square yards.

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Therefore, the initial number of party favor bags Razi had to fill is 20.

To determine the initial number of party favor bags Razi had to fill, we need to analyze the relationship between the time and the number of bags remaining.

Looking at the table, we can observe that the number of bags remaining decreases by 4 for every additional minute of work. This suggests a constant rate of filling the bags.

From the given data, we can see that at the starting time (4 minutes), Razi had 36 bags remaining. This implies that for each minute of work, 4 bags are filled.

To calculate the initial number of bags, we can subtract the number of bags filled in 4 minutes (4 x 4 = 16) from the number of bags remaining initially (36).

36 - 16 = 20

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Based on the monthly data on the price of bitcoin, the average monthly growth rate can be calculated by taking the difference in price from the previous month and dividing it by the previous month's price. Using the average monthly growth rate, you can estimate the future value of your $1,000 Bitcoin investment.

Once this is done for each month, the resulting growth rates can be averaged to find the average monthly growth rate. As for the standard deviation of the monthly growth observations, this can be calculated using a statistical software or a calculator that has the capability to perform statistical calculations. Without the actual data, it is not possible to provide an exact answer to the question. However, it is important to note that investing in bitcoin can be volatile and unpredictable, so it is important to do thorough research and understand the potential risks before making any investment decisions. To estimate the average monthly growth rate and standard deviation of your Bitcoin investment, follow these steps:
1. Compile the monthly price data for Bitcoin.
2. Calculate the monthly growth rate for each month by using the formula: (Current Month Price - Previous Month Price) / Previous Month Price.
3. Add up all the monthly growth rates and divide the sum by the number of months in your data sample. This will give you the average monthly growth rate for Bitcoin.
4. To calculate the standard deviation, first find the variance. Subtract the average monthly growth rate from each individual growth rate, square the result, and find the average of these squared differences.
5. Finally, take the square root of the variance to get the standard deviation.

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Answer:

4.27x10^2

Step-by-step explanation:

For a population with mean μ, if c=0.90, x=15.2,o=3.0, and n=95, then the 90% confidence interval for μ is (14.5,15.9)

To find the 90% confidence interval for μ, follow these steps:

Therefore, the 90% confidence interval for μ is (14.5, 15.9)

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Answer:

"A" option is correct

Step-by-step explanation:

If an angle of one triangle is congruent to the corresponding angle of another triangle and the lengths of the sides including these angles are in proportion, the triangles are similar. The corresponding sides of similar triangles are in proportion,

so if you take proportion of corresponding sides you will get n=1

This exercise is about direct proportionality. We have two quantities: # of pound bags of grass seed, and square feet of land. They are directly proportional, and we know that 2 pound bags "correspond" (covers) with 5000 square feet. Then, if x denotes the pound bags that covers 18000 square feet, the following equation must hold:

Comment: In simple words, direct proportionality says that dividing a number of pound bags of grass by the square feet they cover gives always the same number!

Solving the above equation for x, we get

To cover 18000 square feet it's needed 36/5 pound bags of grass seed.

The area of the region bounded by the given curves. y = 6x2 ln(x), y = 24 ln(x) is 2.85 sq.units.

In this question we need to find the area of the region bounded by the given curves. y = 6x^2 ln(x), y = 24 ln(x)

Equating both the equations of the curve,

6x^2 ln(x) = 24 ln(x)

24 ln(x) - 6x^2 ln(x) = 0

x = 1, 2

This means,  the curves intersect at x = 1 and x = 2.

So, the required area would be,

A = ∫[1 to 2] [24 ln(x) - 6x^2 ln(x)] dx

First we find the indefinite integral ∫[24 ln(x) - 6x^2 ln(x)] dx

= -6  ∫[-4 ln(x) + x^2 ln(x)] dx

= -6 ∫ln(x) (x^2 - 4) dx

= -6 ln(x) (1/3 x^3 - 4x) + 2/3 x^3 - 24x

So,  ∫[1 to 2] [24 ln(x) - 6x^2 ln(x)] dx

= [-6 ln(x) (1/3 x^3 - 4x) + 2/3 x^3 - 24x] _(x = 1 to x = 2)

= 32 ln(2) - 58/3

= 22.18 - 19.33

= 2.85 sq.units.

Therefore, the area of the region is 2.85 sq.units.

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The ratio of corresponding sides for the given similar triangles is 2/5.

In the given options, the ratio of corresponding sides is provided for each set of similar triangles. Let's analyze each option to determine the correct ratio:

a. 10

This option only provides a single number and does not specify the ratio of corresponding sides. Therefore, it is not the correct answer.

b. 4/5

This option provides the ratio 4/5 for the corresponding sides of the similar triangles. However, the ratio can be simplified further.

To simplify the ratio, we divide both the numerator and denominator by their greatest common divisor (GCD). In this case, the GCD of 4 and 5 is 1.

Dividing 4 and 5 by 1, we get:

4 ÷ 1 = 4

5 ÷ 1 = 5

Therefore, the simplified ratio is 4/5.

c. 10/85

This option provides the ratio 10/85 for the corresponding sides of the similar triangles. However, this ratio cannot be simplified further, as 10 and 85 do not have a common factor other than 1.

Therefore, the correct ratio of corresponding sides for the given similar triangles is 2/5, as determined in option b.

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Answer:

1) Pr(all three) = 0.064

2) Pr(none) = 0.216

3) Independent event

Step-by-step explanation:

Let Probability of homes constructed in the Quail Creek area with a security system = Pr (security)

Where Pr = probability

This is a binomial distribution problem. There ate only two outcomes in this distribution: a success and a failure

Where p = success, q = failure

For n trials,

Pr(X = x) = n!/[(n-x)!x!] × p^x × q^(n-x)

Pr (security) = 40% = 0.4

p = 0.4

q = 1-p = 1-0.4 = 0.6

Numbers selected at random = n = 3

See attachment for more details on the workings.

1) Probability all three of the selected homes have a security system = Pr(all three)

Pr(all three) = 1× (0.4)³ (0.6)^0 = 0.4³

= 0.4×0.4×0.4

Pr(all three) = 0.064

2) Probability none of the three selected homes have a security system

= Pr(none)

Pr(none) = 1 × (0.4)^0 × (0.6)³

= 0.6³ = 0.6×0.6×0.6

Pr(none) = 0.216

3) The events were assumed to be independent as the selection of one house doesn't affect the outcome of the selection of another.

Answer:

One possible exponential function that goes through points (0, 15) and (2, 240) is y = 15 * (2^x)

Another possible exponential function that goes through the points (0,15) and (2,240) is y= 15*(5^x)

Step-by-step explanation:

Answer: 3rd answer choice

Step-by-step explanation:

Answer: 4th answer choice

Step-by-step explanation:

Answer:

Penta Trinomial

Step-by-step explanation:

Highest power is 5 (penta)

Highest number of term is 3 (tri)

Answer:

Step-by-step explanation:

Given polynomial

It has 3 terms so is trinomial

It has degrees as

As the greatest degree is 6, this expression is 6th degree trinomial