Find the area of the triangle.
8
14
[? ] square units

Answer:

x=4

Step-by-step explanation:

Answer: 7:2

Step-by-step explanation:

DIVIDE EACH NUMBER BY 8

Answer:

fhrecvregvrsgrrfdrerdggbrsdvrg

Step-by-step explanation:

Just do 175 divided by 20

Answer:

7.5

Step-by-step explanation:

Ronnie charges $25 plus $20 per hour. This means that he made the following depending on how many hours he spent on it:

Hours        Dollars

0                 25 = 25 + 0(20)=25

1                  25+20 = 25 + 1(20)=45

2                  25+20+20 = 25 +2 (20)=65

3                  25+20+20+20 = 25 +3 (20)=85

4                  25+20+20+20+20 = 25 +4 (20)=105

5                  25+20+20+20+20+20 = 25 +5 (20)=125

n                  25+n(20)=175

To find how many hours he worked for $175 we solve the equation using inverse operations:

25+n(20)=175

25-25+n(20)=175-25

n(20)=150

n= 7.5 hours

Answer:

1

Step-by-step explanation:

Ok so since two of the sides are 1, that means 2 to make it 3 you need to label the other side 1.

The difference quotient for the function f(x) = 69x + 2 is a constant value of 69. This means that the average rate of change of the function over any interval is always 69.

To evaluate and simplify the difference quotient for the function f(x) = 69x + 2, we first need to understand what the difference quotient represents. The difference quotient is a mathematical expression that measures the average rate of change of a function over a given interval. It is defined as:

[f(x + h) - f(x)] / h,

where h represents a small change in the x-values.

Let's proceed with calculating the difference quotient for the given function:

[f(x + h) - f(x)] / h

= [(69(x + h) + 2) - (69x + 2)] / h

= [69x + 69h + 2 - 69x - 2] / h

= (69h) / h

= 69.

To simplify the expression, we used the distributive property to expand the function f(x + h). Then, we simplified the numerator by combining like terms. The constant terms 2 and -2 canceled each other out. The h term in the numerator can be factored out, which allows us to cancel it out with the h term in the denominator. Finally, we are left with the simplified expression of 69.

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Answer:

hey..

their is no picture attached

I would like to help u if u would post another question with attached pic

Imagine that a survey of randomly selected people finds that people who used sunscreen were more likely to have been sunburned in the past year.

There are several possible explanations for the finding that people who used sunscreen were more likely to have been sunburned in the past year.

However, without additional context or data, it is difficult to determine the most likely explanation definitively. Here are a few possible explanations to consider:

1. Ineffective or improper use of sunscreen: It is possible that the individuals who reported using sunscreen did not apply it correctly or did not reapply it as recommended.

Inadequate application or failure to follow proper sunscreen usage guidelines could result in insufficient protection from the sun's harmful rays, leading to sunburn.

2. Self-selection bias: It is possible that individuals who have previously experienced sunburns may be more likely to use sunscreen. They may be more aware of the potential risks and take precautions, including using sunscreen.

This could create an association between sunscreen use and sunburn, even though sunscreen itself is intended to prevent sunburn.

3. Recall bias: The survey responses may be subject to recall bias, where individuals may inaccurately remember or report their sunscreen use and sunburn experiences.

Memory limitations or subjective perceptions of sunburn severity could influence the reported data and the observed association between sunscreen use and sunburn.

4. Confounding factors: There may be other factors or variables at play that are related to both sunscreen use and sunburn. For example, individuals who engage in activities that increase sun exposure or who have certain skin types may be more likely to both use sunscreen and experience sunburn.

It is important to note that further investigation, including more detailed surveys, data collection and statistical analysis, would be necessary to determine the most likely explanation for the observed association between sunscreen use and sunburn.

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The symbols p,x, and s represent sample statistics.

- p (pronounced "p-hat") is the sample proportion. It is used to estimate the population proportion. It is computed as the number of successes in the sample divided by the sample size.

-x (pronounced "x-bar") is the sample mean. It is used to estimate the population mean. It is computed as the sum of all the values in the sample divided by the sample size.

- s is the sample standard deviation. It is used to estimate the population standard deviation. It measures how spread out the data is in the sample. It is computed as the square root of the sum of the squared deviations from the sample mean divided by the sample size minus one.

These sample statistics are used to make inferences about the corresponding population parameters, which are denoted by Greek letters such as μ (mu) for the population mean and σ (sigma) for the population standard deviation.

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Answer:

r = ∛(4v/3л)

Step-by-step explanation:

v = 3/4  л r³         (л = pi)

v/л = 3/4 r³

4v/3л = r³

∛(4v/3л) = ∛r³

r = ∛(4v/3л)  

Answer:

The numbers are 6 and 14

Step-by-step explanation:

Let the two numbers be x and y

x-y = 8

x+y = 20

Add the two equations

x-y = 8

x+y = 20

-----------------

2x = 28

Divide by 2

2x/2 = 28/2

x = 14

Subtract the two equations

x-y = 8

-x-y = -20

-----------------

-2y = -12

Divide by -2

-2y/-2 = -12/-2

y = 6

The numbers are 6 and 14

Answer:

14, 6

Step-by-step explanation:

x-y =8 =>x=y+8

x+y=20

y+8 +y=20

2y=20 - 8

2y=12

y=12 :2

y=6 (the second number

x=6 +8 =14 (the first number

If the α significance level is changed from 0.10 to 0.01 when calculating a confidence interval for a parameter, the width of the confidence interval will decrease.

Explanation: A confidence interval is an interval estimation of the unknown parameter and it is usually a range of values that is constructed using the sample data in such a way that the true value of the parameter lies within the range with some degree of confidence. Confidence intervals are used to estimate the true value of the parameter from a sample. The width of the confidence interval will be affected by the sample size, the variability of the population data, and the level of significance (α). If the level of significance is changed from 0.10 to 0.01, the width of the confidence interval will decrease because the level of significance is inversely proportional to the confidence level.

So, decreasing the level of significance will result in a smaller interval because the level of confidence will be higher. Therefore, the correct option is a) decrease.

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The length of major arc ACD in the circle with center D is given as (325/36)π feet

An equation is an expression that shows the relationship between two or more numbers and variables.

The length of major arc ACD = [(360 - 35) / 360) * 2π(10/2) = (325/36)π feet

The length of major arc ACD in the circle with center D is given as (325/36)π feet

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Answer:

680 feet

Step-by-step explanation:

17*40=680

Answer:

1. A letter, A, added to a letter, B, equals ten.

2. A letter, x, which is multiplied by 4, then has a number, y, subtracted from it to equal a letter, a.

If you try write these out, I'm sure you'd get the algebraic expression given.

The trigonometric function has the following exact value: csc θ = √170 / 7

Herein we must determine the exact value of a trigonometric function, that is, the cosecant function, based on the coordinates of a vector generated by a point and the origin of the Cartesian plane. The trigonometric function is defined below:

csc θ = 1 / sin θ = 1 / [y / √(x² + y²)] = √(x² + y²) / y

Where:

If we know that x = - 11 and y = 7, then the exact value of the cosecant function is:

csc θ = √[(- 11)² + 7²] / 7

csc θ = √170 / 7

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Answer:

X= -2, y=-4

Step-by-step explanation:

hard to explain it

Answer:

She used 9-10 pages in total.

Step-by-step explanation: Once she gave away 16 cards, she was left with 88. If each page fills up with 9 cards it would take her around 9 pages to put 81 cards, so she would have a remainder of 7 cards so she would end up needing 1 more page that will have 7 cards and not 9.

Answer:

X=4 and Y=1

Step-by-step explanation:

Hope this helps. Can i have brainliest?

Answer:

\(\left \{ {{x=4} \atop {y=1}} \right.\)

Step-by-step explanation:

Rearrange like terms to the same side of the equation:

\(\left \{ {{4x+2y=18} \atop {x=3+y}} \right.\)

Substitute into one of the equations:

\(4(3+y)+2y=18\)

Apply the Distributive Property:

\(12+4y+2y=18\)

Combine like terms:

\(12+6y=18\)

Rearrange variables to the left side of the equation:

\(6y=18-12\)

Calculate the sum or difference:

\(6y=6\)

Divide both sides of the equation by the coefficient of variable:

\(y=\frac{6}{6}\)

Cross out the common factor:

\(y=1\)

Substitute into one of the equations:

\(x=3+1\)

Calculate the sum or difference:

\(x=4\)

The solution of the system is:

\(\left \{ {{x=4} \atop {y=1}} \right.\)

Answer and Step-by-step explanation:

So, you would do 100 times 31.8, which is 3180, that'll be the area of the rectangle.

Now, the semicircles. They together form a circle.

So, we do pi times d (diameter), which is 3.14 times 31.8 = 99.852

Now we add them together.

99.852 + 3180 = 3279.85 (rounded to the nearest hundredth of a meter)

The rectangle area is 3180.

The Semi circles' combined area is 99.85.

The total area of the figure is 3279.85.

I hope this helps! Have a great day!

#teamtrees #PAW (Plant And Water)

Answer:

Step-by-step explanation:

according to the question

the area of full shape

=\(\text{area of the rectangle+the area of the full circle}\)

=(100×31.8)+(π×(31.8/2)²)

=3180+(3.14×(15.9)²

=3180+(3.14×252.81)

=3180+793.8234

=3973.8234

=3973.82

Answer: the graph is decreasing everywhere

Answer:

2

Step-by-step explanation:

Answer: An expression that represents repeated multiplication of the same factor is called a power .

I hope this is the answer you were looking for if it's not I'm really sorry:(

Answer:

\(15+m^{6}\)

Step-by-step explanation:

\(8m^{2} +3m+m^{3}+4\\8+4+3+m^{3} +m^{2} +m\\8+4+3+m^{6} \\15+m^{6}\)

Answer:

(x + 10)(x - 4)

Step-by-step explanation:

x² + 6x - 40

consider the factors of the constant term (- 40) which sum to give the coefficient of the x- term.

the factors are + 10 and - 4 , since

10 × - 4 = - 40 and 10 - 4 = + 6 , then

x² + 6x - 40 = (x + 10)(x - 4) ← in factored form

The book  'Terrible Weather' was written by WAYNE DROPS

An equation is a formula that expresses the equality of two expressions, by connecting them with the equals sign =.

Solving the equations,

1) 5x-7 = 4x+3

x = 10 (N)

2) 6+2x = 7x-9

5x = 15

x = 3 (O)

3) 8x+1 = -8-x

-9x = 9

x = -1 (A)

4) -5+12x = 18x+7

6x = -12

x = -2 (S)

5) -4x+3 = 5x-13-x

8x = 16

x = 2 (R)

6) -10-11x+24 = 3x

14x = 14

x = 1 (E)

7) 8+3x = x+11+2x

3x-3x = 11-8

3 = 0

No solution (Y)

8) 5+17x+9 = 2x+21x+14

6x = 0

x = 0 (D)

9) 6x+8-13x+10 = 4-6x-11+4x

-7x+18 = -7-2x

5x = 25

x = 5 (W)

10) -14+5-x-3 = x+6+x+3x

-18 = 6x

x = -3 (P)

Now, the answer is coded as 93716 852104

Decoding with the help of the solutions of the given equations

WAYNE DROPS

Hence, the answer is WAYNE DROPS

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Answer:

3.73737373737

Step-by-step explanation:

hope this helps

The probability that for a randomly chosen integer n between 1 and 10 inclusive there exist no real solutions to the equation x^2 + 5 = n is 3/10.

we can first find the values of n for which there are real solutions to the equation x^2 + 5 = n. We can do this by rearranging the equation to get x^2 = n - 5 and then seeing that there are real solutions only if n - 5 is non-negative, i.e. n >= 5.

Since we are choosing a random integer between 1 and 10 inclusive, there are 10 possible values for n. Out of these, only 5, 6, 7, 8, 9, and 10 are greater than or equal to 5, which means that there are real solutions to the equation for these values of n. Therefore, there are only 6 possible values of n for which there exist no real solutions to the equation.

Therefore, the probability of choosing one of these 6 values of n is 6/10, which simplifies to 3/5. However, we need to find the probability of choosing one of the values of n for which there exist no real solutions to the equation, which is the complement of the probability of choosing one of the values of n for which there are real solutions. This complement is 1 - 6/10, which simplifies to 2/5.

Therefore, the main answer to the question is that the probability that for a randomly chosen integer n between 1 and 10 inclusive there exist no real solutions to the equation x^2 + 5 = n is 2/5.

The probability that for a randomly chosen integer n between 1 and 10 inclusive there exist no real solutions to the equation x^2 + 5 = n is 2/5. This can be found by first determining the values of n for which there are real solutions to the equation, and then finding the complement of this probability.

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To determine the probability that the sum of two dice rolls is less than 4 given that at least one of the rolls is a 1, we need to consider the possible outcomes satisfying both conditions and calculate their probability.

When at least one of the rolls is a 1, there are three possible outcomes: (1, 1), (1, 2), and (2, 1). Out of these three outcomes, only (1, 1) has a sum less than 4.

The total number of possible outcomes when throwing two dice is 6 * 6 = 36 (since each die has six sides). However, we need to consider only the outcomes where at least one of the rolls is a 1, which is 11 out of the 36 possible outcomes: {(1, 1), (1, 2), (1, 3), (1, 4), (1, 5), (1, 6), (2, 1), (3, 1), (4, 1), (5, 1), (6, 1)}.

Therefore, the probability of the sum being less than 4 given that at least one of the rolls is a 1 is 1 out of 11, which can be written as 1/11.

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