Can someone please help me with these questions

Answer:

correct

Step-by-step explanation:

y = 5*(1/3)ˣ

y intersect is (0 , 5)

The Original price of the pair of shoes, before any discounts were applied, was $25.

The original price of the pair of shoes is represented by 'x'.

According to the given information, the store applies a $5 coupon to the regular price, resulting in a reduced price of (x - $5).

Then, the store applies a 15% discount to the reduced price. The discounted price is calculated by subtracting 15% of (x - $5) from (x - $5). Mathematically, this can be expressed as:

(x - $5) - 0.15(x - $5)

To find the original price before any discounts were applied, we need to solve the equation:

(x - $5) - 0.15(x - $5) = $17

Now, let's simplify the equation and solve for 'x':

x - $5 - 0.15x + $0.75 = $17

0.85x - $4.25 = $17

0.85x = $17 + $4.25

0.85x = $21.25

Dividing both sides of the equation by 0.85, we get:

x = $21.25 / 0.85

x = $25

Therefore, the original price of the pair of shoes, before any discounts were applied, was $25.

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Answer:

3/8

Step-by-step explanation:

Find the height of the trapezoids

20 - 10 = 10

10/2 = 5

Find the area of the trapezoids

5*(20+10)/2 = 75

The formula for the area of the trapezoid is the height * the bases added together divided by 2

75*2(this is because there are 2 trapezoids) = 150

Put this to proportion of the total area of the dart board

150/\(20^{2}\) = 150/400 = 3/8

3/8 is the probability that you score 3 points

The person can make 60 trips.

Let us say that A indicates the major sea Islands and B indicates the major lakes. Taking both the cases as events, we will use multiplication principle. Based on the information, the event A occurs in m ways and the event B will occur in n ways. So, the two events will occur in m×n ways.

Thus, A × B = 5 × 12

Performing multiplication on Right Hand Side of the equation to find the number of trips

Total number of trips = 60

Hence, there are 60 trips that could be made.

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Step-by-step explanation:

If Sandra works for 42 hours per week and her weekly wage is £389.76, her hourly wage can be calculated as follows:

£389.76 / 42 hours = £9.28 per hour

When she receives a pay increase of 35p per hour, her hourly wage becomes:

£9.28 + 0.35 = £9.63 per hour

Her new weekly wage can then be calculated as:

£9.63 per hour * 42 hours = £404.66

So Sandra's new weekly wage is £404.66 after receiving a pay increase of 35p per hour.

Answer: 6.68

To calculate the number of years before Mickey & Minnie can retire if they earn 10.5% per annum on their stash of cash, we can use the formula for compound interest.

A = P (1 + r/n) ^ nt

where

A = amount

P = principal

r = rate of interest

n = number of times interest is compounded per year

t = time in years

Given:

P = $49 million

r = 10.5%

n = 1 (annual compounding)

A = $90 million

We need to find t. Let's plug in the given values in the formula and solve for t.

A = P (1 + r/n) ^ nt

90 = 49(1 + 0.105/1) ^ t

Dividing both sides by 49, we get:

1.8367 = (1 + 0.105) ^ t

Taking the logarithm of both sides, we get:

t log (1.105) = log (1.8367)

Dividing both sides by log (1.105), we get:

t = log (1.8367) / log (1.105)

Using a calculator, we get:

t ≈ 6.68

Therefore, it will take approximately 6.68 years before Mickey & Minnie can retire if they earn 10.5% per annum on their stash of cash.

This is called a mathematical model. this is an equation that indicates how the variables are related to one another. this is called mathematical model.

A mathematical model is an equation or a set of equations that describe how different variables are related to one another in a given system or process. It is a simplified representation of the real-world problem that allows us to study and understand the behavior of the system. Mathematical models can be used in a wide range of fields, including physics, biology, economics, and engineering, among others. By creating a mathematical model, we can predict how changes in one variable will affect the other variables in the system. Mathematical models are useful tools for making decisions and solving problems in many different areas of research and development.

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The equation for c in terms of j is 3/4j

From the question, we have

Carter buys 20 bottles of grapefruit juice at the corner store for a total

cost of $15.

price of one bottle = 15/20=3/4

total cost, c = 3/4j

Multiplication:

Finding the product of two or more numbers in mathematics is done by multiplying the numbers. It is one of the fundamental operations in mathematics that we perform on a daily basis. Multiplication tables are the main use that is obvious. In mathematics, the repeated addition of one number in relation to another is represented by the multiplication of two numbers. These figures can be fractions, integers, whole numbers, natural numbers, etc. When m is multiplied by n, either m is added to itself 'n' times or the other way around.

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Answer: False

Step-by-step explanation:

Researchers typically report the adjusted R-squared value in addition to the regular R-squared value, not because they lack confidence in the actual R-squared, but because the adjusted R-squared provides additional information about the goodness of fit of a statistical model. The regular R-squared value measures the proportion of the variance in the dependent variable that is explained by the independent variables in the model. However, it can be biased and increase as more predictors are added to the model, even if the additional predictors do not contribute significantly to the prediction.

The adjusted R-squared, on the other hand, takes into account the number of predictors in the model and penalizes the addition of irrelevant predictors. It provides a more conservative measure of the goodness of fit by adjusting for the number of predictors and the sample size. Researchers often use the adjusted R-squared to evaluate and compare different models with varying numbers of predictors or to assess the overall explanatory power of a model while considering its complexity.

In summary, researchers report the adjusted R-squared value to address the limitations of the regular R-squared and to provide a more accurate assessment of the model's goodness of fit.

Answer:

900

Step-by-step explanation:

First, we set up our equation: To find the area of a trapaziod, the equation is Base 1+ Base 2 times Height

So, the equation would be: A=26+46x19

A=72x19

72 times 19= 900

Hope this helps and have a nice day!

Answer:

The two integers are 74,76

Step-by-step explanation:

x = 1st integer

x+2 = consecutive even integer

x+x+2 =150

Combine like terms

2x+2 =150

Subtract 2 from each side

2x+2-2= 150-2

2x= 148

Divide by 2

2x/2 =148/2

x = 74

x+2 = 76

The two integers are 74,76

The measure of the amount of random sampling error in a survey's result is known as margin of error.

The margin of error is a statistical concept that quantifies the degree of uncertainty or sampling error associated with survey results. It provides an estimate of the range within which the true population parameter is likely to fall. The margin of error is typically expressed as a percentage and is based on the sample size and the level of confidence desired.

In survey research, random sampling error refers to the natural variability that occurs when a subset of individuals, known as the sample, is selected to represent a larger population. It arises because the sample is not an exact replica of the entire population. The margin of error takes into account this inherent variability and provides a measure of how much the survey results might deviate from the true population values.

A larger sample size generally leads to a smaller margin of error, as it reduces the random variability associated with sampling. Similarly, a higher level of confidence, such as 95% confidence level, results in a larger margin of error to account for a wider range of potential values.

By considering the margin of error, survey researchers can assess the reliability and precision of their findings, providing a range of values within which the true population parameter is likely to reside.

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Answer:

Answer D (.22)

Step-by-step explanation:

If Brainly would stop deleting my answer, your answer is D (.22).

Answer:

C

Step-by-step explanation:

3/4=9/12 because...

3/4=9(÷3)/12(÷3)

3/4=3/4

Answer:

\(12\sqrt{2}\)

Step-by-step explanation:

The easiest way personally for me is to graph it out, but you can also calculate it out.

A = (1,1)

B = (4,4)

C = (7,1)

D = (4,-2)

Attached is the distance formula. Use it to your advantage. Find the slope for all the points:

Point A to B: \(\sqrt{(4-1)^{2}+(4-1)^{2} }\) = \(\sqrt{9+9 }\)

Point B to C: \(\sqrt{(7-4)^{2}+(1-4)^{2} }\) = \(\sqrt{9+9}\)

Point C to D: \(\sqrt{(4-7)^{2}+(-2-1)^{2} }\) =     \(\sqrt{9+9}\)

Point D to A: \(\sqrt{(4-1)^{2}+(-2-1)^{2} }\) = \(\sqrt{9+9}\)

When you add all of it up, it will equal to \(\sqrt{18} + \sqrt{18} + \sqrt{18} + \sqrt{18} = 4\sqrt{18\) and which simplifies to \(12\sqrt{2}\).

Answer:

B: SAS

Step-by-step explanation:

You know that QR is congruent to PS.

You also know that angle qsr and pqs are both 90 degrees.

Lastly QS is a shared side so it must be the same length.

Answer:

D. HL

Step-by-step explanation:

given right angle, hypotenuse and a leg which is basically HL

ps and QR is congruent bc of given

QS=QS bc it's the same thing

Answer:

7m^2n (i think)

Step-by-step explanation:

To find the sum and carry for this function on a truth table, we must first complete the truth table by computing the function's values for all possible inputs.

The given function is\(Q = (X*2) + (Y/2) + Z\)

Here's the truth table:X Y Z Q0 0 0 00 0 1 10 1 0 20 1 1 31 0 0.5 1.51 0 1 21 1 0.5 3.5 1 1 3

From the truth table above, we can see that the sum of Q for all eight input combinations is 12.

To find the carry, we will need to determine the maximum output value for the given function.

We can observe that the highest output value is 3.5.

Therefore, there is no carry for this function since the highest output value is less than four.

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Answer:

2.8

Step-by-step explanation:

This is because you can divide 2 by 3. Then multiply 4.2 by that number and that gets you your answer.

4.2 ÷ 3 = 1.4

1.4 times 2 = 2.8

Answer: the answer is b, -30.

Answer:

It's D: 16

Step-by-step explanation:

The minimum οf the data is 81, the first quartile is 94, the median οf the data is 105, the third quartile is 129, and the maximum οf the data is 133.

A stem and leaf plοt is a graphical representatiοn οf a dataset that is used tο display and οrganize individual values. The plοt is made up οf twο parts: the "stem" and the "leaf." The stem is the left-hand side οf the plοt and represents the first οne οr twο digits οf the values, while the leaf is the right-hand side οf the plοt and represents the remaining digits.

This plοt shοws the distributiοn οf the data and allοws yοu tο quickly see the range οf values, the shape οf the distributiοn, and any οutliers οr gaps in the data.

The stem and leaf plot represents the following data:

Stem/Leaf                  Value

8 1 3                              813

9 0 3 4 7       903, 934, 974

10 4 7                     104, 107

11 5                                  15

12 9                               129

13                                    13

The five-number summary for the data is as follows:

The minimum of the data is 81.

The first quartile is 94.

The median of the data is 105.

The third quartile is 129.

The maximum of the data is 133.

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Answer:

minimum-81

first Q-95

median-109

third Q-127

maximum-136

Step-by-step explanation:

yurrrrr

Answer:

$59.33

Step-by-step explanation:

To begin, let's start with what we know

Item = 69.80

Discount = 15% or 0.15

So, let's put it into this formula

New Price = Item ( 1 - Discount)              Note: P is the final price

                 = 69.80 ( 1 - 0.15)

                 = 69.80 ( 0.85 )

                 = 59.33

The new price is $59.33.

If you have any questions, please let me know in the comments. If you could mark this answer as the brainliest, I would greatly appreciate it!

Answer:

$59.33

Step-by-step explanation:

To find the new price, we need to know what is 15% of 69.80, and then subtract the result from 69.80. To find the percent, we multiply the number by the percent using decimals for the percent. 15% is 0.15, so we multiply 69.80 * 0.15 = 10.47

Next, subtract 10.47 from 69.80.

69.80 - 10.47 = 59.33

The new price is 59.33.

Another method is that since 69.80 is 100 percent, then the new price will be 100% - 15% = 85%. Multiply the 85 percent by 69.80, and find your answer.

0.85 * 69.80 = 59.33

Hope this helps.

a) Probability of drawing a Blue, then a Red:

There are a total of 11 marbles in the bag. The probability of drawing a Blue on the first draw is 3/11. After drawing a Blue, there are 10 marbles left in the bag, including 5 Red marbles. The probability of drawing a Red on the second draw is 5/10. Therefore, the probability of drawing a Blue, then a Red is (3/11) * (5/10) = 15/110 = 3/22.

b) Probability of drawing a Red, then a White:

The probability of drawing a Red on the first draw is 5/11. After drawing a Red, there are 10 marbles left in the bag, including 3 White marbles. The probability of drawing a White on the second draw is 3/10. Therefore, the probability of drawing a Red, then a White is (5/11) * (3/10) = 15/110 = 3/22.

c) Probability of drawing three Blues in a row:

The probability of drawing a Blue on the first draw is 3/11. After drawing a Blue, there are 10 marbles left in the bag, including 2 Blue marbles. The probability of drawing a Blue on the second draw is 2/10. After drawing two Blues, there are 9 marbles left in the bag, including 1 Blue marble. The probability of drawing a Blue on the third draw is 1/9. Therefore, the probability of drawing a Blue, then a Blue, then a Blue is (3/11) * (2/10) * (1/9) = 6/990 = 1/165.

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The range of values that we are permitted to enter into our function is known as the domain of a function. The x values for a function like f make up this set (x). A function's range is the collection of values it can take as input.

The collection of all potential inputs for a function is its domain. For instance, the domain of f(x)=x2 and g(x)=1/x are all real integers with the exception of x=0.

Think about the function y = f. (x). The range of the function is the range of all the y values, from least to maximum. Substitute all possible values of x into the provided expression of y to see whether it is positive, negative, or equal to other values.

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The number that Dextor is thinking of is 7

5.

It should be noted that expression simply refers to the mathematical statements which have at least two terms which are related by an operator and contain either numbers, variables, or both.

Let the number based on the information be x

The statement is that three more than double his number is the same value as seven less than four times his number. This will be:

(2 × x) + 3 = (4 × x) - 7

2x + 3 = 4x - 7

Collect like terms

4x - 2x = 7 + 3

2x = 10

Divide

x = 10 / 2

x = 5

The number is 5.

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Answer:

93,000

Step-by-step explanation:

Answer:

0.9444444

Step-by-step explanation:

you could just put 0.94

Answer:

17/18 as a fraction.

The number of ways that A and B can have subsets is the product of the number of subsets of A and the number of subsets of B, or (2^n) * (2^m) = 2^(n+m).

A set is a collection of distinct objects, and a subset is a set that contains only elements that are also in another set. If set A is a subset of set B, then all elements of A are also elements of B.

The number of subsets of a set with n elements is 2^n. So, if set A has n elements and set B has m elements (where m > n), the number of subsets of A is 2^n and the number of subsets of B is 2^m. The number of ways that A and B can have subsets is the product of the number of subsets of A and the number of subsets of B, or (2^n) * (2^m) = 2^(n+m).

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