11.
Look at the graph.
Which describes an interval where the function is increasing?
A -00< X <-4
B-2 < x < 0
C -4 < x < 0
D5< x < 00

a) The total cost of being on the team is; $1192

b) Ralph average cost is; $119.20

c)  The standard deviation of the distribution of his 10 weekly paychecks is; $0

We are given the costs of the travel team as listed below;

Uniform - $67.00

Registration - $50.00

Tournaments -$775.00

Travel - $300.00

a) To find the total cost of being on the team, we will simply add all the individual costs as given to get;

Total Cost = 67 + 50 + 775 + 300

Total Cost = $1192

b) If Ralph takes a summer job and works 10 weeks over the summer, then his average cost is;

Average Cost = 1192/10

Average Cost = $119.20

c) If he is paid at a flat rate of exactly q dollars each week, the standard deviation of the distribution of his 10 weekly paychecks is;

$0

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Answer:

Step-by-step explanation:

first one is wrong and I don’t know the answer yet

Answer:

(70,0)

Step-by-step explanation:

Because Pam starts traveling perpendicularly to the road she started on when she gets to the point (7,21), we can use what we know about perpendicular lines to determine the equation of the line she is now on.

Remember that if a line has slope m, then a perpendicular line has slope −1m. So in this case, the slope is −13. Now we can use the point-slope form of the line, using the point (7,21) and the slope−13:

y−y0y−21=m(x−x0)=−13(x−7)

Finally, since we want to find the point where this line intersects the x-axis (where y=0), we can set y=0:

(0)−21=−13(x−7)

Now, multiplying through by −3 to clear the denominator, and solving for x, we find

(−3)(−21)6370=x−7=x−7=x

So the point where Pam reaches the x-axis is (70,0).

Answer:

The area of this triangle is (1/2)(9)(8) = 36.

Let's draw a vertical line on the coordinate plane:

we have that the vertical line passes through the points (x,y_1) and (x,y_2). So if we want to find the slope this would happen:

So, we have that a vertical line have undefined slope since the denominator becomes 0 when we calculate the slope.

Now for the horizontal line, we have the following:

If we calculate the slope we get the following:

As we can see, the slope of a horizontal line is 0 since the values of the numerator become 0, and that is defined as a real number.

Answer:

3

Step-by-step explanation:

\(1 + 2 = 3\)

answer= 3

Answer:

I think its 10.8 65÷6 is 10.8

Answer:

8 hours

Step-by-step explanation:

If you subtract $17 from $65 you get $48 and divide by 6 you get 8 hours

Answer:

1 3/35

Step-by-step explanation:

4/5 +2/7

To solve this you need to find the common denominator.

Basically, you want to find a number that both 5 and 7 multiply into.

In this case, it is 35.

So we wanna make both fraction's denominators (the bottom numbers) into 35.

The only way we can do this is by multiplying the left fraction 4/5 by 7/7 and the right fraction 2/7 by 5/5.

In the end you get 28/35 +10/35. Now you can add them and you get 38/35 which simplifies to 1 3/35.

Answer:

1

Step-by-step explanation:

The maximum of f(x) = sin(x) is 1. The sine function has a range of -1 ≤ sin(x) ≤ 1. The sine function oscillates between -1 and 1, reaching a maximum of 1 when x = π/2 and a minimum of -1 when x = -π/2.  If you look at a graph of

y = sin(x) you can see this.  

Answer: The Maximum Value of f(x)=sin(x) is 1 , when x=90°.

Step-by-step explanation:

Property of Sine function:

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After answering the presented question, we can conclude that This is equation true for all values of a and (11n+3), so we can conclude that the value of "a" is simply 30.8 divided by (11n+3): a = 30.8/(11n+3)

An equation in mathematics is a statement that states the equality of two expressions. An equation is made up of two sides that are separated by an algebraic equation (=). For example, the argument "2x + 3 = 9" asserts that the phrase "2x Plus 3" equals the value "9." The purpose of equation solving is to determine the value or values of the variable(s) that will allow the equation to be true. Equations can be simple or complicated, regular or nonlinear, and include one or more elements. The variable x is raised to the second power in the equation "x2 + 2x - 3 = 0." Lines are utilised in many different areas of mathematics, such as algebra, calculus, and geometry.

We are given that the factored form of 30.8n+8.4 is a(11n+3).

To find the value of a, we can expand the product a(11n+3) and equate it to the given expression 30.8n+8.4.

Expanding a(11n+3), we get:

a(11n+3) = 11an + 3a

Equating this to 30.8n+8.4, we have:

11an + 3a = 30.8n + 8.4

We can factor out an "a" from the left-hand side:

a(11n + 3) = 30.8n + 8.4

Now we can see that this is the same as the given factored form, so we can equate the two expressions:

a(11n + 3) = a(11n + 3)

This is true for all values of a and (11n+3), so we can conclude that the value of "a" is simply 30.8 divided by (11n+3):

a = 30.8/(11n+3)

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The simplified form of the given expression, 6 × 10⁻³ / 8 × 10⁻⁶, is 3/4  × 10³

From the question, we are to simplify the given expression

The given expression is

6 × 10⁻³ / 8 × 10⁻⁶

Simplifying the expression

6 × 10⁻³ / 8 × 10⁻⁶

This can be written as

6/8 × 10⁻³/10⁻⁶

Reduce the fraction

3/4  × 10⁻³/10⁻⁶

Apply the division law of indices

3/4  × 10⁻³ ⁻ ⁽⁻⁶⁾

3/4  × 10⁻³ ⁺ ⁶

3/4  × 10³

Hence, the value is 3/4  × 10³

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Answer:

y = 25x + 200

Step-by-step explanation:

y =  the total cost of the party

x = the number of guests

75/3 = 25

25 is the cost per guest.

Helping in the name of Jesus.

∠1 and ∠8 are alternate exterior angle.

∠2 and ∠4 are corresponding angle.

∠3 and ∠6 are alternate interior angle.

∠6 and ∠7 are consecutive interior angle.

When a transversal intersects two or more lines, alternate exterior angles are produced. These angles are created on the various transversal sides' outer sides.Any two parallel lines that cross a transversal produce a few pairs of angles with the transversal. In the area inside the parallel lines, interior angles are generated, whilst alternate external angles are created in the area outside the parallel lines.

Corresponding angles are those that are created when two parallel lines are intersected by another line, whether it be a transversal or a matching corner (i.e. the transversal). Angle p and angle w, for instance, are the matching angles in the illustration below.

The pair of angles created on the inner side of the parallel lines and on the opposite sides of the transversal when two parallel lines are intersected by a transversal are referred to as alternate internal angles. All of these angles are equal. There is another way to look at this. The alternative interior angles can establish the parallelism or non-parallelism of the given lines. The supplied lines that are crossed by a transversal are said to be parallel if these angles are equal.

The pair of interior angles that are not contiguous to one another and are on the same side of the transversal are referred to as consecutive interior angles. Things that follow one another are referred described as being "consecutive." On a transversal's internal side, adjacent interior angles are found next to one another.

∠1 and ∠8 are alternate exterior angle.

∠2 and ∠4 are corresponding angle.

∠3 and ∠6 are alternate interior angle.

∠6 and ∠7 are consecutive interior angle.

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The calculated measure of m∠PNM is 87 degrees

from the question, we have the following parameters that can be used in our computation:

The circle

Where, we have

PM = 360 - 64 - 122

Evaluate

PM = 174

Next, we have

m∠PNM = 1/2 * 174

So, we have

m∠PNM = 87

Hence, the measure of m∠PNM is 87 degrees

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Answer:

$70.31

Step-by-step explanation:

Hope this helps

Answer:

$117.19

Step-by-step explanation:

93.75 * .25 =23.4375

23.4375+93.75 = $117.1875

(rounded:$117.19)

Answer:

The 90%  confidence level is  \(19.15< L < 20.85\)

Step-by-step explanation:

From the question we are told that

     The sample size is  \(n = 64\)

     The mean age is  \(\= x = 20 \ years\)

      The standard deviation  is   \(\sigma = 4 \ years\)

Generally  the degree of freedom for this data set is mathematically represented as

        \(df = n - 1\)

substituting values

        \(df = 64 - 1\)

        \(df = 63\)

Given that the level of confidence is  90%  the significance level is mathematically evaluated as

          \(\alpha = 100 - 90\)

         \(\alpha =\)10 %  

         \(\alpha = 0.10\)

Now   \(\frac{\alpha }{2} = \frac{0.10}{2} = 0.05\)

Since we are considering a on tail experiment

The  critical value for half of  this significance level at the calculated  degree of freedom is obtained from the critical value table as

           \(t_{df, \frac{ \alpha}{2} } = t_{63, 0.05 } = 1.669\)

   The margin for error is mathematically represented as

          \(MOE = t_{df , \frac{\alpha }{2} } * \frac{\sigma}{\sqrt{n} }\)

substituting values  

          \(MOE = 1.699 * \frac{4 }{\sqrt{64} }\)

         \(MOE = 0.85\)

he 90% confidence interval for the true average age of all students in the university is evaluated as follows

           \(\= x - MOE < L < \= x + E\)

substituting values  

         \(20 - 0. 85 < L < 20 + 0.85\)

         \(19.15< L < 20.85\)

Answer:

x = \(\frac{1}{3}\) & 3

Step-by-step explanation:

\(\frac{8x}{10x-2}\) = \(\frac{5x+3}{7x}\)

Cross multiply:

\(\frac{8x}{10x-2}\) = \(\frac{5x+3}{7x}\)   ⇒   (8x)(7x) = (5x+3)(10x-2)

Simplify both sides:

(8x)(7x) = (5x+3)(10x-2)   ⇒   56x² = 50x²+20x-6

Set equation equal to 0:

56x² = 50x²+20x-6   ⇒   0 = -6x²+20x-6

Factor the trinomial:

0 = -6x²+20x-6 = (-6x+2)(x-3)

Solve for X:

-6x+2 = 0

-6x = -2

x = \(\frac{1}{3}\);

x-3 = 0

x = 3;

x = \(\frac{1}{3}\), 3

To find the value of f(4) we need to substitute a = 4 into f(a), as follows:

Applying the PEMDAS rule, first, we need to evaluate inisde the parentheses.

Next, we need to evaluate the multiplication.

And finally, we need to calculate the subtraction.

The equation of the regression line is given as ŷ = -0.5755X + 4.743

First we have to find the logarithm of the y variables.

Logarithms of y-values:

log 4101 = 3.613

log 1029 = 3.012

log 261 = 2.417

log 69 = 1.839

log 21 = 1.322

We have to plot the ordered pairs to be in order of the table using the log y parameters.

Using a regression analysis calculator online, the equation of the regression line is ŷ = -0.5755X + 4.743.

The graph and the online calculator is contained in the image attached.

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Answer:

I think its (-3,-4).

Step-by-step explanation:

Brainliest plz!!!

The coordinate of B' after rotating B(-3,4) counterclockwise by 90 degrees is B'(-4, -3).

Each point in a figure is transformed into a rotation by rotating it a certain amount of degrees around another point.

To find the coordinate of B' after rotating B(-3,4) counterclockwise by 90 degrees, we can use the following formula:

B'(x', y') = (-y, x)

where x' and y' are the new coordinates of B' after rotation.

Using the formula, we have:

B' = (-y, x) = (-4, -3)

Therefore, B'(-4, -3) is the coordinate obtained by rotating B(-3,4) anticlockwise by 90 degrees.

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answer:

x=8

Step-by-step explanation:

8+ (2x) = 8*(x-5)

8*(x-5) applies to the distributive law : a(b-c) = ab-ac

a=8 b=x c=5

8x-8*5

8x-40

then add 8+(2x) back into the equation and you have

8+(2x) = 8x-40

subtract 8

2x=8x-48

subtract 8x

-6x=-48

divide by -6

x=8

check work by plugging it in to the provided info-

8*2 = 16

16+8 = 24

8-5 = 3

3*8=  24

x=8

The LCM of A = 3² × 5⁴ × 7 and B = 3⁴ × 5³ × 7 × 11 is 3898125 using Prime factorization.

Given are two numbers which are showed in the prime factorized form.

A = 3² × 5⁴ × 7

B = 3⁴ × 5³ × 7 × 11

Prime factorization is the factorization of a number in terms of prime numbers.

In order to find the LCM of these two numbers, we have to first match the common primes and write down vertically when possible and then bring down the primes in each column.

A = 3² ×         5³ × 5 × 7

B = 3² × 3² × 5³ ×       7 × 11

Bring down the primes in each column.

LCM = 3² × 3² × 5³ × 5 × 7 × 11

        = 3898125

Hence the LCM is 3898125.

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Answer:

the problem is 1/7x+1/8?

Answer:

See Below.  

Step-by-step explanation:

We are given the two functions:

\(\displaystyle g(x) = 3x - 6 \text{ and } h(x) = 5x\)

Part A)

Recall that:

\((g\cdot h)(x)=g(x)\cdot h(x)\)

Substitute and simplify:

\(\displaystyle \begin{aligned} (g\cdot h)(x) & = (3x-6)\cdot(5x) \\ \\ &=5x(3x)-5x(6) \\ \\&=15x^2-30x \end{aligned}\)

Part B)

Recall that:

\((g+h)(x)=g(x)+h(x)\)

Substitute and simplify:

\(\displaystyle \begin{aligned} g(x) + h(x) & = (3x-6) + (5x) \\ \\ & = 8x- 6 \end{aligned}\)

Part C)

Recall that:

\(\displaystyle (g-h)(x) = g(x) - h(x)\)

Hence:

\(\displaystyle \begin{aligned} (g-h)(-1) & = g(-1) - h(-1) \\ \\ & = (3(-1)-6) - (5(-1)) \\ \\ & = (-9) + (5) \\ \\ & = -4\end{aligned}\)

Answer:

80

Step-by-step explanation:

20+80+x=180

100+x=180

x=180-100

x=80

plz mark as brainliest

Answer:

Step-by-step explanation:

They spend about three hours a day online