Solve the right triangle.
Round your answers to the nearest tenth.

Answer:

4909

Step-by-step explanation:

if you subtract 2341 from 7250, you get 4909.

2341+4909=7250

Hope this helps!

Answer:

4909

Step-by-step explanation:

7250- 2341

=4909

check

2341+4909

= 7250

Explanation: To solve this question first we need to know that the terminal point pair (little red point in the image) represented by the coordinates represent the (cosine, sine) as shown bellow

We also need to understand that the "tan" formula can be expressed as follows

So all we need to do is to substitute and calculate.

Step 1: Let's substitute the values and calculate as follows

Step 2: Now let's rationalize the result as follows

Final answer: So the final answer is

.

Answer:

Step-by-step explanation:

Since we are to construct the fence around the park, to determine the length of the fence, we will find the perimeter of the rectangular car park.

Perimeter of the car park = 2(Length  + Width)

Given

Width of car park = 12m

Length of the car park = 34 m

Substituting the given data into the formula;

Perimeter of the park = 2(12+34)

Perimeter of the park = 2(46)

Perimeter of the park = 92m

Hence the length of fence that should be ordered to guarantee that there will be enough to surround the car park is 92m

Using infinity limits, the matching pairs are:

The end behavior of a function f(x) is given by:

\(\lim_{x \rightarrow \infty} f(x)\)

Function A:

\(f(x) = -2x + 3\)

\(\lim_{x \rightarrow -\infty} f(x) = \lim_{x \rightarrow -\infty} -2x + 3 = \lim_{x \rightarrow -\infty} -2x = -2(-\infty) = \infty\)

\(\lim_{x \rightarrow \infty} f(x) = \lim_{x \rightarrow \infty} -2x + 3 = \lim_{x \rightarrow \infty} -2x = -2(\infty) = -\infty\)

Thus, matches with item 3.

Function B:

\(f(x) = x^2 - 6x + 3\)

\(\lim_{x \rightarrow -\infty} f(x) = \lim_{x \rightarrow -\infty} x^2 - 6x + 3 = \lim_{x \rightarrow -\infty} x^2 = (-\infty)^2 = \infty\)

\(\lim_{x \rightarrow \infty} f(x) = \lim_{x \rightarrow \infty} x^2 - 6x + 3 = \lim_{x \rightarrow \infty} x^2 = (\infty)^2 = \infty\)

Thus, matches with item 1.

Function C:

\(f(x) = 1 - x^2 + 2x^3\)

\(\lim_{x \rightarrow -\infty} f(x) = \lim_{x \rightarrow -\infty} 1 - x^2 + 2x^3 = \lim_{x \rightarrow -\infty} 2x^3 = 2(-\infty)^3 = -\infty\)

\(\lim_{x \rightarrow \infty} f(x) = \lim_{x \rightarrow \infty} 1 - x^2 + 2x^3 = \lim_{x \rightarrow \infty} 2x^3 = 2(\infty)^3 = \infty\)

Thus, matches with item 2.

Function D:

\(f(x) = 7 - x^4\)

\(\lim_{x \rightarrow -\infty} f(x) = \lim_{x \rightarrow -\infty} 7 - x^4 = \lim_{x \rightarrow -\infty} -x^4 = -(-\infty)^4 = -\infty\)

\(\lim_{x \rightarrow \infty} f(x) = \lim_{x \rightarrow \infty} 7 - x^4 = \lim_{x \rightarrow \infty} -x^4 = -(\infty)^4 = -\infty\)

Thus, matches with item 4.

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Answer:

Step-by-step explanation:

Solution

= −1

= 1

Answer: x=-1,1

Step-by-step explanation:

16x^2+9=25 first we subtract 9 from the right and left sides.

16x^2=16

Divide both sides by 16 to isolate x

x^2=1

Take the square roots of both sides to isolate x completely.

x=1,-1

\(\sf \bf {\boxed {\mathbb {ANSWER:}}}\)

(a) -3 \(\boxed{ > }\) -4

(b) 6 \(\boxed{ >}\) -20

(c) -8 \(\boxed{ < }\) -2

(d) 5 \(\boxed{ > }\) -7

\(\large\mathfrak{{\pmb{\underline{\orange{Mystique35 }}{\orange{☂}}}}}\)

A correlation coefficient based on the observational study cannot be used to support a claim of cause and effect. The correct answer is D: never.

Correlation does not imply causation, and while a strong correlation between two variables may suggest that there is a relationship between them, it does not prove that one variable causes the other. Observational studies are particularly susceptible to confounding variables, which can make it difficult or impossible to determine whether a relationship between two variables is causal or not.

To establish causality between two variables, a randomized controlled experiment is required. In a randomized controlled experiment, the experimenter can manipulate the independent variable and observe the effect on the dependent variable, while controlling for other variables that might affect the outcome. By randomly assigning subjects to different treatment groups, the experimenter can ensure that any differences in the outcome between groups are due to the treatment, rather than some other factor.

Therefore, while a correlation coefficient can be a useful tool for describing the relationship between two variables, it cannot be used to establish causality.

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James will fully clear the loan after approximately 12 years when the remaining balance reaches zero.

To determine the number of years it will take for James to fully clear the loan, we need to calculate the remaining balance after each payment and divide the initial loan amount by the annual payment until the remaining balance reaches zero.

The loan amount is 9000 euros, and James pays off 770 euros each year. Since the interest is charged at a rate of 3% of the original amount per annum, the interest for each year will be \(0.03 \times 9000 = 270\) euros.

In the first year, James pays off 770 euros, and the interest on the remaining balance of 9000 - 770 = 8230 euros is \(8230 \times 0.03 = 246.9\)euros. Therefore, the remaining balance after the first year is 8230 + 246.9 = 8476.9 euros.

In the second year, James again pays off 770 euros, and the interest on the remaining balance of 8476.9 - 770 = 7706.9 euros is \(7706.9 \times 0.03 = 231.21\) euros. The remaining balance after the second year is 7706.9 + 231.21 = 7938.11 euros.

This process continues until the remaining balance reaches zero. We can set up the equation \((9000 - x) + 0.03 \times (9000 - x) = x\), where x represents the remaining balance.

Simplifying the equation, we get 9000 - x + 270 - 0.03x = x.

Combining like terms, we have 9000 + 270 = 1.04x.

Solving for x, we find x = 9270 / 1.04 = 8913.46 euros.

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Answer: y=4x-7

Step-by-step explanation:

Graphing Calculator on top

When data from k populations are utilized in an analysis of variance, the mean square between treatments (MSTR) = (C) SSTR/(k - 1).

A statistical method called analysis of variance (ANOVA) is used to examine variations in response variables (continuous random variables) evaluated under settings with discrete factors (classification variables, often with nominal levels).

Analysis of Variance is referred to as ANOVA.

Ronald Fisher created a statistical test in 1918, and it has been in use ever since.

Simply put, an ANOVA analysis determines if the means of three or more independent groups differ statistically.

The mean square between treatments (MSTR) equals SSTR/ when samples from k populations are used in an analysis of variance (k - 1).

Therefore, when data from k populations are utilized in an analysis of variance, the mean square between treatments (MSTR) = (C) SSTR/(k - 1).

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Correct question:
When an analysis of variance is performed on samples drawn from k populations, the mean square between treatments (MSTR) is _____.

a. sstr/k

b. sstr/nt

c. sstr/(k – 1)

d. sstr/(nt – 1)

Answer:

11.   a.  yes  b.   no

12.  i.  yes  ii.  yes  

13.  a. 31/35  b. 1 5/9  c. 1/30  d.  1/15

Step-by-step explanation:

11. add them

12. estimate

13. add or subtract

The rate of change of the area of a square with respect to its side length when s = 5 is 10.

The given equation represents the area of a square as a function of its side length, A(s) = s^2.

To find the rate of change of the area with respect to the side length, we differentiate the area function with respect to s:

dA/ds = 2s.

Substituting s = 5 into the derivative, we have:

dA/ds = 2(5) = 10.

Therefore, the rate of change of the area of a square with respect to its side length when s = 5 is 10. This means that for every unit increase in the side length, the area of the square increases by 10 units.

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Angles can be measured using one of two standard units. Degrees are the most widely used unit of measurement.

∠ABD = 39°

Therefore, the correct option is c) 39°

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Answer:

$455.53

Step-by-step explanation:

Starting balance: $313.54

Money taken out of account: $45.78, $52.55

Money put into account: $240.32

$313.54 - $45.78 - $52.55 + $240.32 = $455.53

Answer: $455.53

Answer:

Augusto vivió durante 75 años cumplidos, muriendo casi un mes antes de cumplir 76 años.

Step-by-step explanation:

Dado que Augusto nació en Roma el 23 de septiembre del año 63 a. C y fue el primer emperador romano que gobernó entre el año 27 a. C y 14 d. C considerándose como el emperador con el reinado más prolongado de la historia, y después de su muerte el 19 de agosto del año 14 d. C el senado romano lo inmortalizó glorificando su legado, por esta razón, varios de los emperadores que lo siguieron adoptaron sus nombres, para determinar cuántos años cumplidos vivió Augusto se debe realizar el siguiente cálculo:

Nacimiento: 23/09/63 AC

Primer año: 23/09/62 AC

Tercer año: 23/09/60 AC

Sesenta y dos años: 23/09/01 AC

Sesenta y tres años: 23/09/01 DC

Setenta y tres años: 23/09/11 DC

Setenta y cinco años: 23/09/13 DC

Así, Augusto vivió durante 75 años cumplidos, muriendo casi un mes antes de cumplir 76 años.

The ratios involved in the ROI formula are the net profit and the investment cost.

The ROI (Return on Investment) formula includes the following ratios:

Net Profit: The net profit represents the profit gained from an investment after deducting expenses, costs, and taxes.

Investment Cost: The investment cost refers to the total amount of money invested in a project, including initial capital, expenses, and any additional costs incurred.

The ROI formula is calculated by dividing the net profit by the investment cost and expressing it as a percentage.

ROI = (Net Profit / Investment Cost) * 100%

Therefore, the ratios involved in the ROI formula are the net profit and the investment cost.

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As per the given Ratio difference between the amount of money spent and the amount of money saved in a week is $2.

A ratio is an ordered pair of numbers a and b, denoted by the symbol a / b, where b does not equal zero. A proportion is an equation that sets two ratios equal to each other.

The ratio formula can be used to represent a ratio as a fraction. For any two quantities, say a and b, the ratio formula is a:b = a/b. Because a and b are separate amounts for two portions, the total quantity is given as (a + b).

et 5x be the money he spends and 4x be the amount he saves

therefore, 5x+4x= 18

9x= 18

x= 18/9= 2

Tom spends, 5×2 = $10

and he saves, 4×2= $8

Difference, = $10-$8= $2

Therefore, as per the given ratio in the question difference between the amount of money spent and the amount of money saved in a week is $2.

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Tom receives $18 from his father in a week. The ratio of the amount of

the money he spends to the amount of money he saves in a week is 5:4

What is the difference between the amount of money spent and

amount of money saved in a week?

The value of k for which P(X > k) = 0.75 is approximately 4.696. Option D

To find the value of k for which P(X > k) = 0.75, we need to use the properties of the standard normal distribution.

Given that X has a normal distribution with a mean of 2 and a standard deviation of 4, we can standardize the variable X using the z-score formula:

z = (X - μ) / σ

where μ is the mean and σ is the standard deviation.

Substituting the given values, we have:

z = (X - 2) / 4

To find the value of k, we need to determine the z-score that corresponds to a cumulative probability of 0.75.

Using a standard normal distribution table or calculator, we can find that the z-score corresponding to a cumulative probability of 0.75 is approximately 0.674.

Setting the standardized value equal to 0.674, we have:

0.674 = (k - 2) / 4

Solving for k, we find:

k - 2 = 0.674 * 4

k - 2 = 2.696

k ≈ 4.696

Therefore, the value of k for which P(X > k) = 0.75 is approximately 4.696.

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Given the predicate t is defined as: t(x,y,z): (x y)2 = z To find out which proposition is true, we need to substitute the given values in place of x, y, and z for each option and check whether the given statement is true or not.

Option a: t(4, 1, 5)(4 1)² = 5⇒ (3)² = 5 is falseOption b: t(4, 1, 25)(4 1)² = 25⇒ (3)² = 25 is trueOption c: t(1, 1, 1)(1 1)² = 1⇒ (0)² = 1 is falseOption d: t(4, 0 2)(4 0)² = 2⇒ 0² = 2 is falseTherefore, the true proposition is t(4, 1, 25).

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When a point falls outside of control limits in statistical process control, the probability is quite high that the process is experiencing special cause variation.

In statistical process control (SPC), control limits are used to define the range within which a process is expected to operate under normal or common cause variation. Common cause variation refers to the inherent variability of a process that is predictable and expected.

On the other hand, special cause variation, also known as assignable cause variation, refers to factors or events that are not part of the normal process variation. These are typically sporadic, non-random events that have a significant impact on the process, leading to points falling outside of control limits.

When a point falls outside of control limits, it indicates that the process is exhibiting a level of variation that cannot be attributed to common causes alone. Instead, it suggests the presence of specific, identifiable causes that are influencing the process. These causes may include equipment malfunctions, operator errors, material defects, or other significant factors that introduce variability into the process.

Therefore, when a point falls outside of control limits in statistical process control, it is highly likely that the process is experiencing special cause variation, which requires investigation and corrective action to identify and address the underlying factors responsible for the out-of-control situation.

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The value of result in the following expression will be 0 if x has the value of 12:

result = x > 100 ? 0 : 1.

The expression given is known as a ternary operator.

It's a short form of if-else.

The ternary operator is written with three arguments separated by a question mark and a colon:

`variable = (condition) ? value_if_true : value_if_false`.

Here, `result = x > 100 ? 0 : 1;` is a ternary operator, and its meaning is the same as below if-else block.if (x > 100)  {  result = 0; }  else {  result = 1; }

As per the question, we know that if the value of `x` is `12`, then the value of `result` will be `0`.

Hence, the answer is `0`.

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Answer:

EC, DE, CD

Step-by-step explanation:

∠D=34°    ∠C=47°     ∠E= 180-34-47=99°

∠D < ∠C < ∠E

By the theorem: If one angle in a triangle is larger than another angle in a triangle, then the side opposite the larger angle will be longer than the side opposite the smaller angle.

EC < DE < CD

The exponential function that shows San Francisco area after x years is y = 49(0.98)ˣ

An exponential function is in the form:

y = abˣ

Where a is the initial value of y and b is the multiplication factor.

Let y represent the land area of San Francisco after x years. Hence:

The city is only about 49 square miles in area, a = 49. It is losing 2% yearly, hence b = 100% - 2% = 0.98

The equation becomes y = 49(0.98)ˣ

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Statement                Reason

m∠A ÷ 5 = m∠B       1. Given

m∠B = 20                 2. Given

m∠A ÷ 5 = 20           3. Substitution

m∠A = 100                4. Multiplication property of equality

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

Example: 2 + 3x + 4y = 7 is an expression.

We have,

m∠A ÷ 5 = m∠B  ____(1)

m∠B = 20 _____(2)

Substitute (2) in (1)

m∠A ÷ 5 = 20

m∠A / 5 = 20

Multiply 5 on both sides.

m∠A = 5 X 20

m∠A = 100

Thus,

Statement                Reason

m∠A ÷ 5 = m∠B       1. Given

m∠B = 20                 2. Given

m∠A ÷ 5 = 20           3. Substitution

m∠A = 100                4. Multiplication property of equality

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Answer:

v = (- 5, 9 )

Step-by-step explanation:

v = terminal point - initial point

  = (3, 6 ) - (8, - 3 ) ← subtract corresponding components

  = (3 - 8, 6 - (- 3) )

  = (- 5, 6 + 3)

  = (- 5, 9 )

Answer:

x = 31 , y = 80

Step-by-step explanation:

∠ 3 and ∠ 7 are corresponding angles and are congruent , so

3x - 18 = 75 ( add 18 to both sides )

3x = 93 ( divide both sides by 3 )

x = 31

then

∠ 3 = 3x - 18 = 3(31) - 18 = 93 - 18 = 75°

∠ 3 and ∠ 4 are a linear pair and sum to 180° , then

75 + y + 25 = 180

y + 100 = 180 ( subtract 100 from both sides )

y = 80

The distance covered (in km) by a bike in 4 minutes at a speed of 63 km/hr is 4.2km

Given that a bike covered a certain distance in 4 minutes and at a speed of 63 km/hr.

We need to find the distance covered by the bike in km.

As per the formula, speed = distance/time, and the given speed of the bike is 63 km/hr.

we know that

1 hr = ( 60 × 60 ) sec = 3600 sec

1 km = 1000 m

so now the speed becomes,

63 km = 63×1000 = 63000 m

here,

speed = distance/time

speed = 63000/3600

speed = 35/2

speed = 17.5 m/s

as per the question we have to find, the distance covered by bike in 4 minutes.

4 minutes = ( 4 × 60 )sec = 240 sec

So,

The distance covered by bike in 4 minutes = 17.5 × 240 = 4200 m or 4.2 km

Hence, The distance covered (in km) by a bike in 4 minutes at a speed of 63 km/hr is 4.2 km

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Josh should mix 1.2 gallons of dark pink paint and 1.8 gallons of light pink paint to achieve the desired medium pink color.

To find out how much of each leftover paint Josh should mix to achieve a medium pink color (50% red), we can set up a system of equations based on the percentages of red in the paints.

Let's assume that Josh needs x gallons of dark pink paint and y gallons of light pink paint to achieve the desired color.

The total amount of paint needed is 3 gallons, so we have the equation:

x + y = 3

The percentage of red in the dark pink paint is 80%, which means 80% of x gallons is red. Similarly, the percentage of red in the light pink paint is 30%, which means 30% of y gallons is red. Since Josh wants a 50% red mixture, we have the equation:

(80/100)x + (30/100)y = (50/100)(x + y)

Simplifying this equation, we get:

0.8x + 0.3y = 0.5(x + y)

Now, we can solve this system of equations to find the values of x and y.

Let's multiply both sides of the first equation by 0.3 to eliminate decimals:

0.3x + 0.3y = 0.3(3)

0.3x + 0.3y = 0.9

Now we can subtract the second equation from this equation:

(0.3x + 0.3y) - (0.8x + 0.3y) = 0.9 - 0.5(x + y)

-0.5x = 0.9 - 0.5x - 0.5y

Simplifying further, we have:

-0.5x = 0.9 - 0.5x - 0.5y

Now, rearrange the equation to isolate y:

0.5x - 0.5y = 0.9 - 0.5x

Next, divide through by -0.5:

x - y = -1.8 + x

Canceling out the x terms, we get:

-y = -1.8

Finally, solve for y:

y = 1.8

Substitute this value of y back into the first equation to solve for x:

x + 1.8 = 3

x = 3 - 1.8

x = 1.2

Therefore, Josh should mix 1.2 gallons of dark pink paint and 1.8 gallons of light pink paint to achieve the desired medium pink color.

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