A line has a slope of 7 and includes the points (-5,-5) and (-3,w). What is the value of w?

Answer:

18/25

Step-by-step explanation:

72 per cent =72/100

=36/50

=18/25

X must be equal to 0 for M to be singular.

For M to be singular, its determinant must be zero. So, we can set up the equation:

| 2 2 1 |

| 6 2 -x |

| 2 1 3 | = 0

Expanding the determinant along the first row, we get:

2 | 2 -x |

-6 | 1 3 | = 0

Multiplying the determinant of the 2x2 matrix by 2, we get:

4(-x - 3) - (-6)(2) = 0

Simplifying the left-hand side, we get:

-4x - 12 + 12 = 0

Solving for x, we get:

-4x = 0

x = 0

Therefore, X must be equal to 0 for M to be singular.

Learn more Singular Matrix here:

https://brainly.com/question/17916515

#SPJ1

Option C. The best description of the spread of the data: The data has a range of 5, which is a narrow spread. This means that most of the students have taken a similar number of flights.

we have the maximum value = 15

The minimum value = 10

The range can be defined as the difference that exixts between the highest and the lowest values in a data

Hence we have 15 - 10

= 5

Therefore The data has a range of 5, which is a narrow spread. This means that most of the students have taken a similar number of flights.

Read more on range here:

https://brainly.com/question/26098895

#SPJ1

The participants will walk 3 + 21 = 24 laps and run 15 laps if the Total distance is 24 laps.

The participants will walk and run if the total distance is 24 laps, we need to first find the values of A, B, C, and D. We can use the information given in the table to set up a system of equations:

A + B = 24   (total distance is 24 laps)

3 + B = C    (total is the sum of walking and running laps)

5 + 10 = D   (total running laps is 15)

Simplifying the equations, we get:

B = 24 - A

C = 3 + B

D = 15

Substituting the value of B in terms of A into the equation for C, we get:

C = 3 + (24 - A)

C = 27 - A

Now we can use the equation for the total distance to find the value of A:

A + (27 - A) = 24

27 = 24 + A

A = 3

Substituting A = 3 into the equations for B and C, we get:

B = 24 - 3 = 21

C = 27 - 3 = 24

Therefore, the participants will walk 3 + 21 = 24 laps and run 15 laps if the total distance is 24 laps.this solution is inconsistent with the values given in the table. So, there might be a mistake in the table or the problem statement. None of the given options match with this solution, but based on the given table, the closest option is: "They will walk 6 laps and run 18 laps." However, this solution is not consistent with the system of equations derived from the table.

To know more about  Total distance.

https://brainly.com/question/24094847

#SPJ11

Answer:

y = 5x - 6

Step-by-step explanation:

the equation of a line in gradient- intercept form is

y = mx + c ( m is the gradient and c the y- intercept )

here m = 5 , then

y = 5x + c ← is the partial equation

to find c substitute (3, 9 ) into the partial equation

9 = 5(3) + c = 15 + c ( subtract 15 from both sides )

- 6 = c

y = 5x - 6 ← equation of line

The equation of the straight line with gradient 5 that passes through (3,9) is y = 5x - 6.

To find the equation of a straight line with a given gradient, we can use the point-slope form of the equation: y - y1 = m(x - x1). In this case, the gradient is 5 and the given point is (3,9). Plugging in the values, we have:

y - 9 = 5(x - 3)

Expanding the equation, we get:

y - 9 = 5x - 15

Then, rearranging the equation to the form y = mx + c, we have

y = 5x - 6

https://brainly.com/question/32765884

#SPJ2

Answer (3x−2)(3x+2)^2

Step-by-step explanation:

Answer:

[tex]y \leqslant x[/tex]

The expected  of your  account to be worth when you retire at 67 years old is $1,118,473.61.

To calculate the future value of your savings account, we can use the formula for compound interest:

FV = PV * (1 + r/n)^(n*t)

Where:

FV = Future Value of the account

PV = Present Value of the account

r = Annual interest rate (as a decimal)

n = Number of times the interest is compounded per year

t = Number of years

In this case, the present value (PV) is zero because you haven't started saving yet. The interest rate (r) is 7% per year, or 0.07 as a decimal. You will be depositing $200 every 2 months, which means 6 times a year (n=6). You have 45 years until you retire (t=45), and want to find the future value (FV) of the account.

We can start by calculating the total number of deposits you will make:

45 years * 12 months/year / 2 months/deposit = 270 deposits

Each deposit will be for $200, so the total amount you will deposit is:

270 deposits * $200/deposit = $54,000

Now we can use the formula for compound interest to calculate the future value of the account:

FV = $0 * (1 + 0.07/6)^(645) + $54,000 * (1 + 0.07/6)^(645)

FV = $0 + $1,118,473.61

So, you can expect your savings account to be worth approximately $1,118,473.61 when you retire at 67 years old, assuming you make regular deposits of $200 every 2 months and earn an annual interest rate of 7%.

Know more about  annual interest   here:

https://brainly.com/question/31261623

#SPJ11

Answer:

You will approximately have about 48,297.74

Step-by-step explanation:

Answer:

23.78 cm

Step-by-step explanation:

size of the missing angle is (180 - 90 - 18) = 72°

angle 72° is opposite the side x. angle 90° is opposite side 25.

x/sin 72  =  25/sin 90

multiply both sides by sin 72:

x = (25 X sin 72) / sin 90

   = (23.78) / 1

  = 23.78 cm

Hello

        S        a         T

2a + 6  /            /
          /             /       a + 17
        /             /
   V          a         U

you want ST = VU (it's good) and SV = TU (not good)

2a + 6 = a + 17

2a - a = 17 - 6

a = 9

Answer:

14

Step-by-step explanation:

angle 90° is opposite the side x. angle 45° is opposite side 7√2.

x/sin 90 = (7√2)/sin 45

multiply both sides by sin 90 (sin 90 is = 1).

x = (7√2)/sin 45

 = 14

The correct statement is that the theoretical probability of swimming, P(swimming), is one half, but the experimental probability is 16 over 40.

We know that there are 40 students at summer camp who are divided into two groups for either swimming or hiking. Each camper flips a coin, where heads represents swimming and tails represents hiking. The outcome frequency for swimming is 16 and for hiking is 24.
To compare the probabilities, we need to first understand the difference between theoretical probability and experimental probability. Theoretical probability is the expected probability of an event occurring based on mathematical calculations and assumptions, whereas experimental probability is the actual observed probability of an event occurring based on data from experiments or observations.
Option 1 states that the theoretical probability of swimming is one half, but the experimental probability is 24 over 40. This statement is incorrect because the theoretical probability of swimming is actually 50%, which is equal to one half, and the experimental probability of swimming is also 40%, which is equal to 16 over 40. Therefore, this option is false.
Option 2 states that the theoretical probability of swimming is one half, but the experimental probability is 16 over 40. This statement is correct because the theoretical probability of swimming is 50%, which is equal to one half, and the experimental probability of swimming is also 40%, which is equal to 16 over 40. Therefore, this option is true.
Option 3 states that the theoretical probability of swimming is 16 over 24, but the experimental probability is one half. This statement is incorrect because the theoretical probability of swimming is actually 50%, which is not equal to 16 over 24, and the experimental probability of swimming is also 40%, which is not equal to one half. Therefore, this option is false.
Option 4 states that the theoretical probability of swimming is 24 over 40, but the experimental probability is one half. This statement is incorrect because the theoretical probability of swimming is actually 50%, which is not equal to 24 over 40, and the experimental probability of swimming is also 40%, which is not equal to one half. Therefore, this option is false.
In conclusion, the correct statement is that the theoretical probability of swimming, P(swimming), is one half, but the experimental probability is 16 over 40.

For more questions on experimental probability

https://brainly.com/question/26378307

#SPJ11

The solutions for the system of linear equations are:

Here we want to solve a system of linear equations, these are:

x - 9y = -3

y = 7x - 6

To solve this system, we can use the substitution method, to do so, just replace the variable that is already isolated (y on the second equation) into the first one.

Then we will get:

x - 9*(7x - 6) = -3

We can solve this to get:

x - 63x + 54 = -3

-62x = -3 - 54

x = 57/62

And the value of y is:

y = 7x - 6

y = 7*(57/62) - 6 = 6.4 - 6 = 0.4

Learn more about systems of equations:

https://brainly.com/question/13729904

#SPJ1

Question:

Find the interception point between lines L1 and L2:

L1: x-9 y=-3 L2: y=7 x-6

The graph of the line will be a straight line that slopes downward from left to right, intersecting the x-axis at -3 and the y-axis at 3.To find the x-intercept and y-intercept of the line −5x + 5y = 15, we can set either x or y to zero and solve for the other variable.

For the x-intercept, we set y = 0:

−5x + 5(0) = 15

−5x = 15

x = -3

So the x-intercept is -3.For the y-intercept, we set x = 0:

−5(0) + 5y = 15

5y = 15

y = 3

Therefore, the y-intercept is 3.

Now let's plot these intercepts on a graph. The x-intercept is at -3 on the x-axis, and the y-intercept is at 3 on the y-axis. We can connect these two points to draw the line.

By connecting the x-intercept (-3) and the y-intercept (3) on the graph, we obtain a straight line that represents the equation −5x + 5y = 15.

Note that the line passes through the points (-3, 0) and (0, 3).

For such more questions on Straight line:

https://brainly.com/question/30241649

#SPJ11

Answer:

(If you like this answer i would appreciate if u give brainliest but otherwise, i hope this helped ^^)

Step-by-step explanation:

To write a linear function representing Xavier's gross income in terms of the number of hours he works, we need the slope and the y-intercept.

Let's assume that Xavier earns a constant hourly rate of $3 per hour.

The slope of the linear function represents the rate at which Xavier's income increases per hour worked. In this case, the slope is $3, as his earnings increase by $3 for every hour worked.

The y-intercept represents Xavier's income when he hasn't worked any hours. Since he earns $0 when he hasn't worked any hours, the y-intercept is 0.

Therefore, the linear function representing Xavier's gross income (G) in terms of the number of hours (x) he works can be written as:

G = 3x

This equation shows that Xavier's gross income is equal to $3 multiplied by the number of hours he works.

Patel can use the quadratic formula, which states that x = (-b ± √(b2 - 4ac)) / 2a, where a, b, and c are the coefficients of the quadratic equation.

Patel can use several steps to solve the quadratic equation 8x2 + 16x + 3 = 0.

Here are three options he could use:
1. Complete the square: Patel can rewrite the equation as 8(x2 + 2x + 1) = –3 + 8, which simplifies to 8(x + 1)2 = 5.

Then, dividing by 8 on both sides, he gets (x + 1)2 = 5/8.

Finally, taking the square root of both sides, he gets x = –1 ± √(5/8).
2. Use the quadratic formula:

In this case, a = 8, b = 16, and c = 3.

Plugging these values into the formula, he gets x = (-16 ± √(162 - 4(8)(3))) / (2(8)), which simplifies to x = (-16 ± √100) / 16. Thus, x = –1 ± (1/2).
3. Factor the equation: Patel can try to factor the quadratic equation by looking for two numbers that multiply to 3 and add to 16.

However, since there are no such numbers, this approach may not work.

To solve the quadratic equation 8[tex]x^2[/tex] + 16x + 3 = 0, Patel could use the following,

Divide the equation by 8 to simplify: [tex]x^2[/tex] + 2x + 3/8 = 0 2.

Use the quadratic formula, where a=1, b=2, and c=3/8: x = -b ± √([tex]b^2[/tex] - 4ac) / 2a 3.

Calculate the solutions: x = -1 ± √(4 - 3) / 2

These steps will help Patel solve the quadratic equation.

For more related questions on coefficients:

https://brainly.com/question/28975079

#SPJ11

The Revenue Rate Variance for the practice is $9,615.90, which means that the practice generated $9,615.90 more revenue than budgeted for each visit.

To calculate the Revenue Rate Variance for the practice, we first need to calculate the budgeted and actual revenue rates. The revenue rate is the revenue per visit.

Budgeted revenue rate = Budgeted revenue / Budgeted visits

= $150,000 / 2,000

= $75 per visit

Actual revenue rate = Actual revenue / Actual visits

= $175,000 / 2,210

= $79.19 per visit

Next, we can calculate the Revenue Rate Variance using the following formula:

Revenue Rate Variance = (Actual revenue rate - Budgeted revenue rate) x Actual visits

= ($79.19 - $75) x 2,210

= $9,615.90

Therefore, the Revenue Rate Variance for the practice is $9,615.90, which means that the practice generated $9,615.90 more revenue than budgeted for each visit.

To know more about  Revenue Rate Variance.

https://brainly.com/question/32119813

#SPJ11

Jake hears that 60% of respondents to a recent People Magazine survey said that their favorite fast food restaurant was Taco Bell. Jake believes this is way too high, as Taco Bell just isn't that good.

An SRS of peoples' favorite fast food restaurants is conducted across multiple locations. Of the 1080 respondents, 670 say that their favorite fast food restaurant is Taco Bell.  Therefore, based on the hypothesis test, Jake does now not have enough evidence to finish that the People Magazine survey changed erroneously.

To conduct a hypothesis take a look at this situation, we can set up the following hypotheses:

Null Hypothesis (H0): The percentage of people who recall Taco Bell as their preferred speedy meal-eating place is 60% or better.

Alternative Hypothesis (H1): The share of those who recall Taco Bell as their favorite fast food restaurant is less than 60%.

We will use the binomial test to check those hypotheses. The importance level, alpha (α), is given as 0.10, which means that we need a 90% self-assurance degree for our test.

Let's calculate the p-value based on the furnished sample information and check it in opposition to our importance stage:

Sample length (n) = 1080

Number of respondents who selected Taco Bell (x) = 670

Assuming the null hypothesis is true (p = 0.6), the expected number of respondents choosing Taco Bell is n * p = 1080 * 0.6 = 648.

We can now use the binomial distribution to calculate the p-cost:

p-price = P(X ≤ x) = Σ(C(n, x) * p^x * (1-p)^(n-x)), in which Σ is the sum from 0 to x.

Calculating this sum for x = 670, we want to evaluate the p-fee against our importance stage.

Using statistical software programs or tables, we discover that the p-price is about 0.9995.

Since the p-value (0.9995) is greater than the importance degree (0.10), we fail to reject the null speculation. With this method, there isn't enough proof to conclude that the proportion of folks who don't forget Taco Bell as their favorite speedy meals eating place is less than 60%. Therefore, based on the given pattern, Jake does now not have enough evidence to finish that the People Magazine survey changed erroneously.

To know more about  hypothesis tests,

https://brainly.com/question/29576929

#SPJ1

The estimated total number of bears in 2002 will be 1060.

To estimate the population size, the mark-recapture formula is applied. This formula is used to determine the unknown population size. First, a selected sample from the population of bears has the number marked initially and the total population. The formula is: N = MC/R

In the given question,

M = 2008

C = 38

R = 72

So, N = (2008)(38)/72

= 76304/72

1059 which is estimated at 1060.

Learn more about the mark-recapture formula here:

https://brainly.com/question/18828154

#SPJ1

Answer:

30 wats due  to electrocorrespond period of time

Step-by-step explanation:

according to plan b ratio 89 quart to a million

Power usage over time can be approximated by a Riemann sum or computed exactly by integrating the function representing the power usage. For the given 10-hour data, the total power usage can be estimated by summing up the products of the power usage and time interval.

The power use of a customer over a 30-day period is given by a continuous function P = f(t), and we are asked to find the total number of kilowatt-hours used by the customer using Riemann sums and an exact formula.

https://brainly.com/question/32137172

#SPJ11

Answer:depend school but most schools yes

Step-by-step explanation:

It is important to pass both but some school allow only to pass one or make an exception so you should be fine but if not you will have a second chance later on or next year

I hoped this helped

also if your good with 7th grade math do you mind helping my question I uploaded thanks if you can.

Hourly growth rate parameter is 1.97%

Given,

A sample of 2,400 bacteria selected from this population reached the size of 2,489 bacteria in one and a half hours.

Let,

y = population after given time x

x = time of passage in hours

p = size of initial population

k = constant for growth rate

[tex]y = pe^{kx}[/tex]

Substitute the values of variables,

2489 = 2400 e^1.5k

1.03 = e^1.5k

Take Ln on both sides to remove the exponent,

ln(1.03) = ln(e^1.5k)

0.029 = 1.5k

k = 0.029/1.5

k = 0.0197

k = 1.97%

Thus with the help of exponent the hourly growth rate parameter can be found out.

Learn more about exponent,

https://brainly.com/question/5497425

#SPJ1

The equation that relates the cost of a bouquet to the number of balloons in the bouquet is: Y = 5.75x

The bouquet with 6 balloons, the cost per balloon is:

34.50 / 6 = 5.75

We can repeat this process for each bouquet to get:

6 balloons: cost per balloon = 5.75

9 balloons: cost per balloon = 3.83

12 balloons: cost per balloon = 3.04

we can write an equation of the form: Y = kx

where Y is the cost of a bouquet,

x is the number of balloons in the bouquet, and

k is a constant that represents the cost per balloon.

To solve for k, we can use any one of the bouquets to get:

34.50 = k(6)

Solving for k, we get:

k = 5.75

Therefore, the equation that relates the cost of a bouquet to the number of balloons in the bouquet is:

Y = 5.75x

Learn more about equations at https://brainly.com/question/14107099

#SPJ1

Annabel's water bottle can hold [tex]48[/tex] fluid ounces of water.

To determine the number of fluid ounces in 6 cups of water, we need to know the conversion rate between cups and fluid ounces.

In the United States customary system, there are [tex]8[/tex] fluid ounces in [tex]1[/tex] cup. Therefore, we can use this conversion rate to calculate the number of fluid ounces in [tex]6[/tex] cups.

Since [tex]1[/tex] cup is equal to [tex]8[/tex] fluid ounces, we can set up a proportion:

[tex]\(\frac{1 \text{ cup}}{8 \text{ fluid ounces}} = \frac{6 \text{ cups}}{x \text{ fluid ounces}}\)[/tex]

By cross-multiplication, we find:

[tex]\(1 \text{ cup} \cdot x \text{ fluid ounces} = 8 \text{ fluid ounces} \cdot 6 \text{ cups}\)[/tex]

Simplifying the equation:

[tex]\(x \text{ fluid ounces} = 48 \text{ fluid ounces}\)[/tex]

Therefore, Annabel's water bottle holds [tex]48[/tex] fluid ounces of water.

To convert [tex]6[/tex] cups of water to fluid ounces, we use the conversion rate of 1 cup equals [tex]8[/tex] fluid ounces. Setting up a proportion, we find that [tex]6[/tex] cups is equal to [tex]48[/tex] fluid ounces. Hence, Annabel's water bottle can hold [tex]48[/tex] fluid ounces of water.

For more such questions on fluid ounces: https://brainly.com/question/14929476

#SPJ11

[tex]y=-8x-2\\y=-6x+4[/tex]

Subtracting the second equation from the first one, we get:

[tex]-2x-6=0\\2x=-6\\x=-3[/tex]

[tex]y=-8\cdot(-3)-2=24-2=22[/tex]

Therefore [tex](-3,22)[/tex].

Answer:

For the Box and Whisker Plot, these are the answers for all of the parts of the plot:

Minimum:  The minimum is the lower end of the whisker which is 2

Maximum: The maximum is the upper end of the whisker which is 16

Median: The median is the thick line you see that goes down through the box plot which is the number 8

First Quartile: The lower end line of the box plot which is 4

Third Quartile: Known as the Second Quartile, this is the upper end line of the box plot which is 14

Interquartile Range: The Interquartile Range is the numbers that starts from the First Quartile to the Third Quartile which is the numbers from 4 to 14

Therefore, the answers are 2, 16, 8, 4, 14, and 4-14. Hope this helps with your homework or assignment!

-5th Grade Honors Student who learned this yesterday