Please Help!!!

A.) What is the perimeter of this triangle?
b.) If the perimeter is 90 what is x?

Answer:

\(6 \times 7 = 42\)

Answer:

D

Step-by-step explanation:

fastest way to find out the answer is to replace each solution with the xs of the equation and see if it is Equal to 4. the only solution that is equal to 4 is D)1/3

The probability of 00 occurring on a spin of the wheel is approximately equal to 0.0276.

The probability that 00 will occur on a spin of the wheel can be calculated by dividing the number of favorable outcomes (i.e., the number of times 00 can occur) by the total number of possible outcomes.

In this case, there are 38 containers on the roulette wheel, and 00 is 5% larger than any of the others. This means that the size of the container for 00 is 105% of the size of the other containers.

Since the probability is directly proportional to the size of the container, the probability of 00 occurring is 105% of the probability of any other value occurring.

So, the probability of 00 occurring on a spin of the wheel is 105% divided by the sum of 105% and 37 times 100% (which represents the probability of any other value occurring).

Mathematically, this can be expressed as: (105% / (105% + 37 * 100%)).

Calculating this expression will give you the probability of 00 occurring on a spin of the wheel which is approximately equal to 0.0276.

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The equation of the path of the parabola is y = a(x - 13)² + 27

Given data ,

To represent the path of Al's toss, we can assume that the path is a parabolic trajectory.

The equation of a parabola in vertex form is given by:

y = a(x - h)² + k

where (h, k) represents the vertex of the parabola

Now , the balloon was released from the 10-yard line and landed at the 16-yard line, we can determine the x-values for the vertex of the parabola.

The x-coordinate of the vertex is the average of the two x-values (10 and 16) where the balloon was released and landed:

h = (10 + 16) / 2 = 13

Since the height of the balloon reached 27 yards, we have the vertex point (13, 27)

Now, let's substitute the vertex coordinates (h, k) into the general equation:

y = a(x - 13)² + k

Substituting the vertex coordinates (13, 27)

y = a(x - 13)² + 27

To determine the value of 'a', we need another point on the parabolic path. Let's assume that the highest point reached by the balloon is the vertex (13, 27).

This means that the highest point (13, 27) lies on the parabola

Substituting the vertex coordinates (13, 27) into the equation

27 = a(13 - 13)² + 27

27 = a(0) + 27

27 = 27

Hence , the equation representing the path of Al's toss is y = a(x - 13)² + 27, where 'a' can be any real number

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Answer:

60 cubic units

Step-by-step explanation:

4 x 5 x 3

Answer:

in the sewer or at grandma sandys house

Answer: in the sewers or floating

Step-by-step explanation:

hope this helps pennywise

Answer:

$190.75

Step-by-step explanation:

$175 × 0.09 = $15.75

$175 + $15.75 = $190.75

Answer:

x = 7

Step-by-step explanation:

The 2 right triangles are similar by the AA postulate, then the ratios of corresponding sides are in proportion, that is

\(\frac{x}{4}\) = \(\frac{3.5}{2}\) ( cross- multiply )

2x = 14 ( divide both sides by 2 )

x = 7

Will recommend to see attached picture as name of angles are based on it.

\( \\ \)

We can only find value of x if both triangles i.e triangle DOC and triangle AOB are similar.

\( \\ \)

\(\sf \underline{In \: \triangle \: DOC \: and \: \triangle\:AOB: }\)

\( \\ \)

\( \sf1. \angle DOC = \angle AOB\)

Reason :-

VOC (Vertically opposite angle)

How to recognize either it is VOC (Vertically opposite angle) or not?

So it's basically very easy to recognize, when ever u see lines intersect each other just like a multiply sign ( × ) either horizontal or parallel they are considered as VOC ans are always equal.

\( \\ \)

\( \sf2. \angle CDO = \angle BAO\)

Reason:-

Both are of 90°.

So how we recognized that these both angles were in 90°?

When ever you see that angle is marked in square ( □ ) like shape instead of curve shape then it means the angle is 90°.

\( \\ \)

\(\sf\triangle \: DOC\simeq \triangle\:AOB: \)

By :- AA (angle angle)

\( \\ \\ \)

Now Finally Let's find value of x.

\( \\ \)

\( \dashrightarrow \sf\dfrac{DC}{AB} = \dfrac{OC}{OB} = \dfrac{OD}{OA} \)

Reason :- Corresponding sides of similar triangle are in proportion.

\( \\ \)

So:-

\( \\ \)

\( \dashrightarrow \sf\dfrac{DC}{AB} = \dfrac{OC}{OB}\)

\( \\ \\ \)

\( \dashrightarrow \sf\dfrac{2}{3.5} = \dfrac{4}{x}\)

\( \\ \\ \)

\( \dashrightarrow \sf\dfrac{3.5}{2} = \dfrac{x}{4}\)

\( \\ \\ \)

\( \dashrightarrow \sf\dfrac{35}{2 \times 10} = \dfrac{x}{4}\)

\( \\ \\ \)

\( \dashrightarrow \sf\dfrac{ \cancel{35}}{2 \times \cancel{10}} = \dfrac{x}{4}\)

\( \\ \\ \)

\( \dashrightarrow \sf\dfrac{7}{2 \times 2} = \dfrac{x}{4}\)

\( \\ \\ \)

\( \dashrightarrow \sf\dfrac{4 \times 7}{2 \times 2} = x\)

\( \\ \\ \)

\( \dashrightarrow \sf\dfrac{ \cancel4 \times 7}{\cancel2 \times 2} = x\)

\( \\ \\ \)

\( \dashrightarrow \sf\dfrac{ 2 \times 7}{1 \times 2} = x\)

\( \\ \\ \)

\( \dashrightarrow \sf\dfrac{\cancel 2 \times 7}{1 \times \cancel2} = x\)

\( \\ \\ \)

\( \dashrightarrow \sf\dfrac{1 \times 7}{1 \times 1} = x\)

\( \\ \\ \)

\( \dashrightarrow \sf\dfrac{7}{1 } = x\)

\( \\ \\ \)

\( \dashrightarrow \sf7= x\)

\( \\ \\ \)

\( \dashrightarrow \bf x = 7\)

\( \\ \\ \)

.°. length of x is equal to 7(unit)

Answer:

Cone, Cylinder, Cone, the sum of two cones and a cylinder

Proof:

The calculated Social Security tax is $ 6621.60 on the maximum taxable earning, that is $106800 on the rate of 6.2% and Medicare tax is  $1812.50 on the annual salary, that is $125,000 on the rate of 1.45%.

Hence option d is the correct option.

The annual salary of an individual is given as  $125,000.

Medicare tax is levied on the annual salary of an individual, that is on $125,000. It is given as 1.45 % on $125,000.

The maximum taxable earnings is $106,800 and Social Security tax is levied on this $106,800. It is given as 6.2% on $106,800.

Thus, applying basic rule of percentage calculation we get,

Earnings from Social Security tax  = $(6.2% of 106800)

= ${(62/100*10)(106800)

= $ 6621.60

Earnings from Medicare tax = $(1.45% of 125000)

=  $(145/100*100)(125000)}

= $1812.50

Hence option d Social Security tax: $6,621.60, Medicare tax: $1,812.50 is the correct option.

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A. For 22.3 tons of sugar, the two companies would charge the same.

B. The cost, when the two companies charge the same, would be $5040.

The equation is defined as mathematical statements that have a minimum of two terms containing variables or numbers that are equal.

A. To find the amount of sugar for which the two companies charge the same, we can set the cost for each company equal to each other and solve for the amount of sugar.

The equation for the first company would be:

2804 + 100.25x (where x is the number of tons of sugar)

The equation for the second company would be:

225.75x

Setting these two expressions equal to each other and solving for x, we get:

2804 + 100.25x = 225.75x

x = 22.3

So, for 22.3 tons of sugar, the two companies would charge the same.

B. To find the cost when the two companies charge the same, we can plug 22.3 tons of sugar into either of the two equations:

2804 + 100.25 × 22.3 = $5039.57

or

225.75 × 22.3 = $5039.57

So, the cost when the two companies charge the same would be $5040.

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The question seems incomplete, the missing part has been below:

The sugar-sweet company will choose from two companies to transport its sugar to market. The first company charges $2804 to rent trucks plus an additional fee of $100.25 for each ton of sugar. The second company does not charge to rent trucks but charges $225.75 for each ton of sugar.

A. For what amount of sugar do two companies charge the same?

B. What is the cost when two companies charge the same?

The cost described in the scenario is an example of a mixed cost.

A mixed cost consists of both fixed and variable components. In this case, the $10 per month base charge represents the fixed component of the cost. This charge remains constant regardless of the amount of electricity consumed. It covers the basic service and is not influenced by usage levels.

On the other hand, the additional charge of $0.08 per kilowatt-hour (kWh) of electricity used represents the variable component. This charge varies directly with the amount of electricity consumed. As more electricity is used, the variable cost increases proportionally.

By combining the fixed base charge and the variable charge per kWh, we get a mixed cost structure. The fixed component ensures a minimum cost for the service, while the variable component adds to the total cost based on actual usage. This combination of fixed and variable elements makes the cost a mixed cost.

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The probability that a random student will be taking both Algebra 2 and Chemistry is 0.0136 or 1.36%.

To find the probability that a random student will be taking both Algebra 2 and Chemistry, we need to use the concept of conditional probability.

Let's denote the event of taking Algebra 2 as A and the event of taking Chemistry as C. We are given that P(A) = 0.08 (8% probability of taking Algebra 2) and P(C|A) = 0.17 (17% probability of taking Chemistry given that the student is taking Algebra 2).

The probability of taking both Algebra 2 and Chemistry can be calculated using the formula for conditional probability:

P(A and C) = P(C|A) * P(A)

Substituting the given values:

P(A and C) = 0.17 * 0.08

P(A and C) = 0.0136

Therefore, the probability that a random student will be taking both Algebra 2 and Chemistry is 0.0136 or 1.36%.

It is important to note that the probability of taking both Algebra 2 and Chemistry is determined by the intersection of the two events, which means students who are taking both courses. In this case, the probability is relatively low, as it depends on the individual probabilities of each course and the conditional probability given that a student is taking Algebra 2.

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Using linear functions, it is found that:

a) The equation is: y = 2x + 3.

b) The equations are:

c) The systems are consistent independent.

d) The point of intersection is (1, 5).

A linear function is defined in slope-intercept formula by the rule presented as follows:

y = mx + b.

In which:

For Sidewalk 1, it is found that:

Then the rule is:

y = 2x + 3.

For Sidewalk 2, when x changes by 2, y decays by 2, hence the slope is:

m = -2/2 = -1.

The line goes through point (1,5), hence the equation in point-slope form is:

y - 5 = -(x - 1).

Combining the like terms, the slope-intercept form is:

y - 5 = -x + 1

y = -x + 6.

Since the two lines have different slopes, the system is consistent independent.

The x-coordinate of the intersection is:

-x + 6 = 3 + 2x.

3x = 3

x = 1.

The y-coordinate is:

-x + 6 = -1 + 6 = 5.

Hence the intersection point is:

(1, 5).

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Answer: I am I don't know man

Step-by-step explanation: answer is I don't know.

honestly just try to breathe, and when you tell them sit down with them and tell them straight up.      

Answer:

The correct option is (D).

Step-by-step explanation:

A one-to-one function can be defined such the every value of x corresponds to exactly one value of y.

That is:

x₁ → y₁

x₂ → y₂

x₃ → y₃

.

.

.

and so on.

Consider the graph.

From the graph it can be seen that for y = 0 and y = 2 there are multiple x coordinates.

So, the graph does not represent a one-to-one function because the y-values between 0 and 2 are paired with multiple x-values.

According to the graph it can be concluded that the graph of three lines is not an one one function because the values of 'y' between 0 and 2 are paired with multiple 'x' values.

Given :

Draw the graph of the three lines in order to determine the function is one-one function or not.

The equation of the line passing through (-5,6) and (-2,0) is given by:

\(\dfrac{y-6}{x+5}=\dfrac{0-6}{-2+5}\)

\(\dfrac{y-6}{x+5}=\dfrac{-6}{3}\)

\(y-6=-2(x+5)\)

y + 2x + 4 = 0    --- (1)

The equation of the line passing through (-2,0) and (2,2) is given by:

\(\dfrac{y-0}{x+2}=\dfrac{2-0}{2+2}\)

2y = x + 2   ---- (2)

The equation of the line passing through (2,2) and (4,-2) is given by:

\(\dfrac{y-2}{x-2}=\dfrac{-2-2}{4-2}\)

y - 2 = -2(x - 2)

y + 2x = 6   ---- (3)

Now, with the help of these three equations, the graph of the three lines can be plotted. The Graph is attached below.

So, according to the graph it can be concluded that the graph of three lines is not an one one function because the values of 'y' between 0 and 2 are paired with multiple 'x' values.

Therefore, the correct option is D).

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The values are: -9, 7, -2, Undefined, Undefined, 8, Undefined, Undefined.

Let's match each expression with its corresponding value:

Expression: -9

Value: -9

Expression: 7

Value: 7

Expression: -2

Value: -2

Expression: Undefined

Value: Undefined

Expression: h(3.999)

Value: Undefined

Expression: h(4)

Value: 8

Expression: h(4.0001)

Value: Undefined

Expression: h(9)

Value: Undefined

Now let's explain the reasoning behind each value:

The expression -9 represents the number -9, so its value is -9.

Similarly, the expression 7 represents the number 7, so its value is 7.

The expression -2 represents the number -2, so its value is -2.

When an expression is labeled as "Undefined," it means that there is no specific value assigned or that it does not have a defined value.

For the expression h(3.999), its value is undefined because the function h(x) is not defined for the input 3.999.

The expression h(4) has a value of 8, indicating that when we input 4 into the function h(x), it returns 8.

Similarly, the expression h(4.0001) has an undefined value because the function h(x) is not defined for the input 4.0001.

Lastly, the expression h(9) also has an undefined value because the function h(x) is not defined for the input 9.

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Answer:  \(x^{3} -8\)  is how it is written out.

Step-by-step explanation:

Answer:

y= - 3

Step-by-step explanation:

note that the y- coordinates of both points are - 3

This indicates the line passing through them is a horizontal line, parallel to the x- axis with equation

y = c ( c is the value of the y- coordinates the line passes through ), that is

y = - 3

The correct option regarding the 95% confidence interval for this problem is given as follows:

A. The confidence interval from the first simulation is (0.187, 0.237), and the confidence interval from the second simulation is (0.209, 0.261). For the first trial, we are 95% confident the true proportion of wins with the new game strategy is between 0.187 and 0.237. For the second trial, we are 95% confident the true proportion of wins with the new game strategy is between 0.209 and 0.261.

A confidence interval of proportions has the bounds given by the rule presented as follows:

\(\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}\)

In which the variables used to calculated these bounds are listed as follows:

The confidence level is of 95%, hence the critical value z is the value of Z that has a p-value of \(\frac{1+0.95}{2} = 0.975\), so the critical value is z = 1.96.

The parameters for the first simulation are given as follows:

\(n = 1000, \pi = \frac{212}{1000} = 0.212\)

Hence the lower bound of the interval is of:

\(0.212 - 1.96\sqrt{\frac{0.212(0.788)}{1000}} = 0.187\)

The upper bound is of:

\(0.212 + 1.96\sqrt{\frac{0.212(0.788)}{1000}} = 0.237\)

For the second simulation, the parameters are given as follows:

\(n = 1000, \pi = \frac{235}{1000} = 0.235\)

Hence the lower bound of the interval is of:

\(0.235 - 1.96\sqrt{\frac{0.235(0.765)}{1000}} = 0.209\)

The upper bound is of:

\(0.235 + 1.96\sqrt{\frac{0.235(0.765)}{1000}} = 0.261\)

This means that option A is the correct option.

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(a) To find (f+g)(x), we need to add the functions f(x) and g(x). (f+g)(x) = f(x) + g(x) = (x²-15x) + (x+10) = x² - 15x + x + 10 = x² - 14x + 10. The domain of (f+g)(x) is the same as the domain of f(x) and g(x), which is the set of all real numbers since there are no restrictions on x in the given functions.

(b) For (f-g)(x), we subtract g(x) from f(x). (f-g)(x) = f(x) - g(x) = (x²-15x) - (x+10) = x² - 15x - x - 10 = x² - 16x - 10. Again, the domain of (f-g)(x) is the set of all real numbers.

(c) To find (fg)(x), we multiply f(x) and g(x). (fg)(x) = f(x) * g(x) = (x²-15x) * (x+10) = x³ + 10x² - 15x² - 150x = x³ - 5x² - 150x. The domain of (fg)(x) is the same as the domain of f(x) and g(x), which is all real numbers.

(d) Finally, for (f/g)(x), we divide f(x) by g(x). (f/g)(x) = f(x) / g(x) = (x²-15x) / (x+10). The domain of (f/g)(x) is all real numbers except for x = -10 since division by zero is undefined. Therefore, the domain of (f/g)(x) is the set of all real numbers except x = -10.

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The critical value to be used in constructing the 99% confidence interval is 2.576.

Step 1: Finding the Critical Value

To determine the critical value for constructing a 99% confidence interval, we need to refer to the z-table or use a statistical calculator. The critical value corresponds to the desired level of confidence and takes into account the sample size.

Since the sample size is large (n = 77) and the population is assumed to be approximately normal, we can use the z-distribution to find the critical value. For a 99% confidence interval, the critical value is found by subtracting half of the desired confidence level from 1 and dividing the result by 2.

In this case, the calculation would be:

(1 - 0.99) / 2 = 0.005

The corresponding critical value is then determined by finding the z-score that has an area of 0.005 in the upper tail of the standard normal distribution. Consulting a z-table or using a statistical calculator, the critical value is approximately 2.576 (rounded to three decimal places).

Therefore, the critical value to be used in constructing the 99% confidence interval is 2.576.

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Rolling a total of 8 when two dice are rolled is more likely than rolling a total of 8 when three dice are rolled.

This is because there are more combinations of two dice that can add up to 8 (four combinations; 1-7, 2-6, 3-5, 4-4) than there are combinations of three dice (three combinations; 1-3-4, 2-2-4, 3-3-2).

Therefore, the probability of rolling a total of 8 with two dice is greater than the probability of rolling a total of 8 with three dice.

Additionally, the odds of rolling a total of 8 with two dice can be calculated using the formula (Number of favourable outcomes/Total number of outcomes) x 100%.

In this case, the formula would be (4/36) x 100%, which equals 11.11%. The odds of rolling a total of 8 with three dice is calculated using the same formula, which would be (3/216) x 100%, which equals 1.39%.

This shows that the odds of rolling a total of 8 with two dice is much greater than the odds of rolling a total of 8 with three dice.

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The equation that represents the town's population after 2 years is P = 126,000 x (1 - 0.043)².

If the population of the town shrinks at a rate of 4.3% every year, then we can use the formula for exponential decay to find the population after a certain number of years:

P = P₀ × (1 - r)^t

Where:

To find the population after 2 years, we can substitute P₀ = 126,000, r = 0.043, and t = 2 into the above formula:

P = P₀ × (1 - r)^t

P = 126,000 x (1 - 0.043)²

Therefore, after 2 years, the equation is  P = 126,000 x (1 - 0.043)².

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A Ray y=4 . I think .If its wrong don't blame me

Answer:

1,400 students

Step-by-step explanation:

From the question above, 10% of total students in a school is 140.

To find the total number of students in the school, we compare the 10% with 100%

we have,

10% = 140

100% = x

i.e let total number of students be x

Cross multiplying the 1 and 2, we have

10 X x = 100 x 140

10x = 14,000

dividing both sides by 10, we have

10x = 14,000

10           10

x = 1,400

Total number of students in the school is 1,400.

Cheers

Answer:

20

Step-by-step explanation:

5x4=20 5 is one quarter of 20

Answer:

\( \frac{1}{4} \times 20 = 5 \\ \)