Annie's current earnings are shown in the table.
She was offered a new job that will pay $7.25 per hour. Assume
that her earnings vary directly with the number of hours worked.
Which job pays more an hour?
Answer:
Annie's new job pays more an hour.
Step-by-step explanation:
They tell us that her new job pays $7.25 per hour. So to determine which job pays her more, we need to find how much she earns in her current job.
There are a few ways to find this (none of them are hard.) But this is the easiest way in my opinion.
The chart tells you that Annie earns $13 in 2 hours. We need to find how much she earns in 1 hour. All you need to do is divide $13 by two.
13/2 = 6.5
6.5 = $6.50
If her current job pays her $6.50 an hour and her new job pays $7.25 an hour, she should consider higher paying jobs.
But, yes, the new job pays her more an hour.
HELP ASAP!! Find the sum of the series
Answer:
225
Step-by-step explanation:
a1 = 1
a15 = 29
sum = n/2 ( a1 + a15) = (15/2) ( 1 + 29) = 225
The function f(x) is graphed below. How many points on the graph
represent a relative extreme value?
point a and point e are the two points representing extreme points on graph
Solve the system of equations by graphing
u=v
4u=2v-12
By using the graphing method, a solution to the given system of equations is equal to -6 and -6.
What is a graph?In Mathematics, a graph can be defined as a type of chart that is typically used to graphically represent data points or ordered pairs on both the horizontal and vertical lines of a cartesian coordinate, which are the x-coordinate and y-coordinate respectively.
Next, we would simplify the equation as follows:
4u = 2v - 12
Dividing both sides of the equation by 4, we have:
4u/4 = (2v - 12)/4
u = v/2 - 3
By critically observing the graph of this system of equations, we can logically deduce that the point of intersection is at (-6, -6).
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This square root equation has 2 solutions. What is the extraneous solution?
√x+12 −6=x
Enter your answer in the box.
x = - 8 is not a root of √(x + 12) - 6 = x, since it is an extraneous solution.
How to find the extraneous solution of a radical equation
In this question we have a radical equation that offer two possible roots. A root is an extraneous solutions when it brings out an absurd (i.e. 1 = 4) when the expression is evaluated. First, write the radical equation:
√(x + 12) - 6 = x
Second, use algebra properties to find the possible roots of the radical equation:
√(x + 12) - 6 = x
√(x + 12) = x + 6
x + 12 = x² + 12 · x + 36
x² + 11 · x + 24 = 0
(x + 3) · (x + 8) = 0
x = - 3 or x = - 8
Third, evaluate the radical equation at each root:
√(- 3 + 12) - 6 = - 3
√9 - 6 = - 3
3 - 6 = - 3
- 3 = - 3 (TRUE)
√(- 8 + 12) - 6 = - 8
√4 - 6 = - 8
2 - 6 = - 8
- 4 = - 8 (FALSE)
x = - 8 is an extraneous solution.
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PLS HELP IF U ARE GOOD AT MATH.
Game Station 2: Amazing Race- Each team has to match 9 of the 20 banners with the word “Hello” in different languages with the 9 countries that speak that language
A. Determine the number of ways of selecting and matching nine banners with a country.
B. Determine the number of ways of selecting nine banners without having to match them with a country.
combinations problem btw
The number of ways to select the banners is given as follows:
a. Matching with the country: 362,880, using the arrangements formula.
b. Not matching with the country: 60,949,324,800, using the permutation formula.
What is the arrangements formula?The number of possible arrangements of n elements is obtained by the factorial of n, that is:
[tex]A_n = n![/tex]
For item a, the arrangements formula is used, as the banner has to match the country, hence only the countries are arranged and then the specific banner is matched with this country.
Considering that there are nine countries, the number of ways of selecting and matching nine banners with a country is calculated as follows:
Total = 9! = 362,880.
What is the permutation formula?The number of possible permutations of x elements from a set of n elements is obtained by the equation as follows:
[tex]P_{(n,x)} = \frac{n!}{(n-x)!}[/tex]
For item b, 9 banners are taken from a set of 20, and the permutation formula is used as the order in which the banners are chosen is important, hence the number of ways of selecting nine banners without having to match them with a country is obtained as follows:
N = 20!/(20 - 9)! = 20!/11! = 60,949,324,800.
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A retail clothing store offers customers an opportunity to open up a credit card during checkout. One location of the retail clothing store states that the number of credit cards, A, that are opened t months since January can be modeled by the function A(t) = 10 + 2t. The number of credit cards opened at another location, B, is defined by the function B(t) = 25 − t. What is an expression that can be used to determine the total amount of credit cards opened at the two locations?
(A + B)(t) = 35 + t
(A + B)(t) = 35 + 3t
(A − B)(t) = −15 + t
(A − B)(t) = −15 + 3t
The expression that can used to determine the total number of credit cards opened at the two locations can be written as Option A.
( A + B ) ( t ) = 35 + t
What is an Equation?
Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.
It demonstrates the equality of the relationship between the expressions printed on the left and right sides.
Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.
Given data ,
The equation of function for number of credit cards at location A at t months is given by A( t ) = 10 + 2t
The equation of function for number of credit cards at location B at t months is given by B( t ) = 25 - t
Now , A function assigns the value of each element of one set to the other specific element of another set.
So ,
The total number of credit cards that are opened at both the location A and B is given by the equation =
Number of credit cards at location A at t months + Number of credit cards at location B at t months
The total number of credit cards that are opened at both the location A and B is given by the equation = A( t ) + B( t )
= ( A + B ) ( t )
= 10 + 2t + 25 - t
= 35 + t
Hence , the equation for the function of total number of credit cards opened at the two locations is given as ( A + B ) ( t ) = 35 + t
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Carlos is making goodie bags for a party. Every goodie bag has exactly the same treats in it. Carlos has 72 granola bars and 48 small popcorn balls. What is the greatest umber of identical goodie bags Carlos can make? How many of each kind of treat is in each goodie bag?
The greatest number of identical goodie bags Carlos can make is 24.
Therefore will be 3 granola bars and 2 popcorn balls in each bag.
How to calculate the value?From the information, Carlos is making goodie bags for a party and every goodie bag has exactly the same treats in it.
Carlos has 72 granola bars and 48 small popcorn balls. It should be noted that the greatest common factor between 72 and 48 is 24.
Therefore, granola bars will be:
= 72/24
= 3 in each bag
Popcorn will be:
= 48/24
= 2 in each bag.
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Which of the following expressions has the greatest value
Answer:
2⁵ that is my answer for the question
Answer: 2^5
Step-by-step explanation:
3^3 = 27
1^10 = 1
2^5 = 32
5^2 = 25
Please help me! Christian, Freddy, and Skyler are all drinking orange juice from the same-size cartons in the cafeteria. Christian's carton is 3/7 packed. Freddy's carton is 3/10 complete. Kevin's carton is 3/4 full. Who has the least milk left in their carton?
Answer: Freddy
Step-by-step explanation:
Choose a common denominator for all the fractions. Let's use 140.
Christian: 3/7 = 60/140
Freddy: 3/10 = 42/140
Skyler: 3/4 = 105/140
The least value is 42/140
Consider the following observations on a receptor binding measure (adjusted distribution volume) for a sample of 13 healthy individuals: 22, 40, 41, 42, 43, 48, 51, 58, 62, 66, 67, 70, 71.
Calculate an interval for which you can be 95% confident that at least 95% of all healthy individuals in the population have adjusted distribution volumes lying between the limits of the interval. (Round your answers to three decimal places.)
Predict the adjusted distribution volume of a single healthy individual by calculating a 95% prediction interval. (Round your answers to three decimal places.)
The 95% confidence interval for the population mean adjusted distribution volume, using the t-distribution, is given as follows:
(43.479, 61.281).
What is a t-distribution confidence interval?The t-distribution is used when the standard deviation for the population is not known, and the bounds of the confidence interval are given according to the rule presented as follows:
[tex]\overline{x} \pm t\frac{s}{\sqrt{n}}[/tex]
In which the variables of the equation are listed as follows:
[tex]\overline{x}[/tex] is the sample mean.t is the critical value.n is the sample size.s is the standard deviation for the sample.The sample is given as follows:
22, 40, 41, 42, 43, 48, 51, 58, 62, 66, 67, 70, 71.
The critical value, using a t-distribution calculator, for a two-tailed 95% confidence interval, with 13 - 1 = 12 df, is t = 2.1788.
Using a calculator with the sample, the parameters for the interval are:
[tex]\overline{x} = 52.38, s = 14.73, n = 13[/tex]
Hence the lower bound of the interval is calculated as follows:
52.38 - 2.1788 x 14.73/sqrt(13) = 43.479.
The upper bound of the interval is calculated as follows:
52.38 + 2.1788 x 14.73/sqrt(13) = 61.281.
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A veterinarian has dog patients numbered 1,2,3,4,5, cat patients numbered 1,2,3,4,5,6, and bird patients numbered 1,2. If a single animal is picked at random, what is the probability that the animal patient is NOT a bird?
Provide the final answer as a simiplified fraction.
The probability that the animal patient is NOT a bird as a simplified fraction is 11/13.
What is probability?
The study of probabilities, which are determined by the ratio of favorable occurrences to probable cases, is known as probability.
As given in the question,
Number of dog patients is 5,
Number of cat patients is 6, and
Number of bird patients is 2.
So,
Total number of animal patients = 5 + 6 +2 = 13
Total number of ways of picking 1 animal patient = 13C1 = 13
Number of patients that are NOT birds = 11
So,
probability that the animal patient picked is not a BIRD = 11C1 / 13C1 = 11/13
Therefore, the probability that the animal patient is NOT a bird is 11/13.
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6. Melissa is making a batch of cookies. The recipe calls for 2/3 cup of
chocolate. Melissa is making only one-fourth of a batch. How much
chocolate will she need in order to make her cookies?
The answer is, 1/6th cup of chocolate will she needs in order to make her cookies using fraction.
What is a fraction?
If the numerator is bigger, it is referred to as an improper fraction and can also be expressed as a mixed number, which is a whole-number quotient with a proper-fraction remainder.
Any fraction can be expressed in decimal form by dividing it by its denominator. One or more digits may continue to repeat indefinitely or the result may come to a stop at some point.
The amount of chocolate required for this recipe is 2/3rd of a cup for a batch.
She has to make for a 1/4th of that batch.
So the amount of chocolate needed is also 1/4 for the batch which will be = 1/4*2/3 of cup.
= 1/6th of the cup.
Hence, 1/6th cup of chocolate will she need in order to make her cookies.
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I need some help with this problem please
Answer:
the answer is 135
Step-by-step explanation:
Question 17 of 25 The side lengths of a triangle are 5, 12, and 13. Is this a right triangle? A. Yes, because 5² +12²= 13² OB. No, because 5 + 12 * 13. C. No, because 52+12²*13² D. Yes, because 5² + 12²
Answer:
A
Step-by-step explanation:
Right triangle hypotenuse can be calculated using
[tex] {c}^{2} = {a}^{2} + {b}^{2} [/tex]
Nate and Gavin are playing a video game. Gavin has scored eleven more than twice the number of points Nate has. If they scored 692 points altogether, have many points has Gavin scored?
Answer: gavin scored 465 points
Step-by-step explanation:
9. The seventh-grade class is raising money to
have a class trip at the end of the year. They
began the year with $1,500. Now they have
$1,650 in the account.
a. What is the percent of increase for the
money the class has raised?
b. Make Sense and Persevere The class
figured out that if the percent increase is
99% from the beginning of the year, the
class will have enough money for every
student to go on the field trip. How
much money will the class need to raise
for every student to go.
The percentage increase for the money the class has raised is 10% and they will need $ 2115 to make the percentage increase to 99%.
According to the question,
We have the following information:
Initial price in the year = $1500
Final price they have = $1650
a) Now, we know that following formula is used to find the percentage increase in the price:
Percentage increase = 100*(final price-initial price)/initial price
Percentage increase = 100*(1650-1500)/1500
Percentage increase = 100*(150)/1500
Percentage increase = 10%
b) Now, we will find the final price when the percentage increase is 99%.
Let's take the final price to be $x.
99 = 100*(x-1500)/1500
99 = (x-1500)/15
Using the cross multiplication method:
x-1500 = 15*99
x-1500 = 615
x = 615+1500
x = 2115
Hence, the percentage increase for the money the class has raised is 10% and they will need $ 2115 to make the percentage increase to 99%.
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A bag has 2 red, 3 green, and 6 orange balls. If a ball is randomly selected from the bag, what is the theoretical probability
that it is the color specified in parts (a) through (d).
Using theoretical probability, the probability of selecting green ball is 3/11, not selecting green ball is 8/11, selecting orange ball is 6/11 and not selecting orange ball is 5/11.
In the given question,
A bag has 2 red, 3 green, and 6 orange balls.
So total number of balls = 2+3+6 = 11
We have to find the theoretical probability.
(a) We have to find the theoretical probability of selecting green ball.
P(G) = Total number of green balls/Total number of balls
P(G) = 3/11
Hence, the probability of selecting green ball is 3/11.
(b) Now we have to find the theoretical probability of not selecting green ball.
Except green ball there is having red and orange i.e.
Total remaining balls except green = 2+6 = 8
P(G) = Total number of balls except green balls/Total number of balls
P(G) = 8/11
Hence, the probability of not selecting green ball is 8/11.
(c) Now we have to find the theoretical probability of selecting orange ball.
P(G) = Total number of orange balls/Total number of balls
P(G) = 6/11
Hence, the probability of selecting green ball is 6/11.
(d) Now we have to find the theoretical probability of not selecting orange ball.
Except orange ball there is having red and green balls i.e.
Total remaining balls except orange = 2+3 = 5
P(G) = Total number of balls except orange balls/Total number of balls
P(G) = 5/11
Hence, the probability of not selecting orange ball is 5/11.
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A company orders 20 boxed lunches from a deli for $234.00. If each boxed lunch
costs the same amount, how much do 16 boxed lunches cost?
16 boxed lunch cost $187.2.
Given that a company orders 20 boxed lunches from a deli for $234.00.
Each boxed lunch costs the same amount.
20 boxed lunches from a deli for $234
1 boxed lunches from a deli for $234/20 = $11.7
Hence the cost of 16 boxed lunch is = $11.7*16 = $187.2
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Now, suppose this lottery expands to include a second number, ranging from 1-59. What would be your
chances of guessing both these numbers correctly? Round your answer to the nearest thousandth of a percent.
The probability of getting both these numbers correctly is of:
0.028%.
How to calculate a probability?The probability of an event in an experiment is obtained as the number of desired outcomes in the context of the experiment divided by the number of total outcomes in the context of the experiment.
In this problem, the probabilities are presented as follows:
First trial: one number from a set of 60 numbers.Second trial: one number from a set of 59 numbers, as the first number chosen cannot be chosen again, that is, numbers are not replaced.The probability of getting both these numbers correctly is given by the multiplication of the probabilities of getting the correct number on each trial, hence:
p = 1/60 x 1/59 = 0.00028 = 0.028%.
Missing InformationThe problem states that two numbers are selected from a set of 60, and it asks for the probability that both are guessed correctly.
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What percent of 23 is 22? round your answer to the nearest percent.
Answer:
96% rounded to the nearest percent.
Step-by-step explanation:
Divide 100 by 23 which is approximately 4.35
Multiply 4.35 by 22 which is 95.7%.
If you round 95.7 to the nearest percent, it would be 96%.
Answer:
95.6521739%
explanation:
22 is 95.6522% of 23
A candy company sells peanut brittle and almond bark. The information for both types of candy is shown.
graph labeled Peanut Brittle with x axis labeled weight in ounces and y axis labeled cost in dollars with a line from point 0 comma 0 going through 10 comma 10
Almond Bark
Weight (ounces) 2 6 14
Cost (dollars) 3 9 21
Determine how much more one candy costs per ounce than the other candy.
Peanut brittle costs $0.50 more per ounce than almond bark.
Almond bark costs $0.50 more per ounce than peanut brittle.
Peanut brittle costs $0.33 more per ounce than almond bark.
Almond bark costs $0.33 more per ounce than peanut brittle.
Peanut brittle costs $0.33 more per ounce than the almond bark option (C) is correct.
What is a fraction?Fraction number consists of two parts, one is the top of the fraction number which is called the numerator and the second is the bottom of the fraction number which is called the denominator.
It is given that:
A candy company sells peanut brittle and almond bark.
Almond: $6/(10 oz) = $0.60/oz
Bark: $9/(10 oz) = $0.90/oz
0.90 - 0.60 = $0.90
Peanut brittle costs $0.33 more per ounce than almond bark.
Thus, peanut brittle costs $0.33 more per ounce than the almond bark option (C) is correct.
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Answer:
Almond bark costs $0.50 more per ounce than peanut brittle.
Step-by-step explanation:
A 2-pound bag of candy costs $6.04. What is the unit price?
per pound
Answer:
it would be $3.02
Step-by-step explanation:
you pretty much do $6.04/2 Ib
therefore, your answer would be $3.02
Answer:
Step-by-step explanation:
6.04 divded by 2= 3.02 per pound
the equation of the trend line is y= 0.36x + 12.6 use the equation of the trend line to predict the wind chill for a wind speed of 4 mi/h. Round your answer to the nearest degree. The wind chill at 4 mi/h is?? PLease help!!!! need this answer in less than 10 min!
The prediction of the wind chill for the wind speed 4 mi/h is 14 degrees
How to predict the wind chill for the wind speed?Here, we have the following parameters:
Equation of the trend line: y = 0.36x + 12.6
Where
x = Wind speed
y = Wind chill
Also, we have
x = 4 mi/h i.e. the wind speed
Substitute x = 4 in the equation y = 0.36x + 12.6
So, we have
y = 0.36 x 4 + 12.6
Evaluate the equation
y = 14.04
Approximate
y = 14
Hence, the wind chill is 14 degrees
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The doctor orders 100 units of a medication to administer daily. The vial is labeled 50 units/mL. How many mL will be administered if the patient stays in the hospital for a week?
350mL will be administered in a week.
Give one combination of two factors whose product is 0.24, if one of the factors is a whole number greater than 1.
Answer:
Step-by-step explanation:
so they are just asking for some numbers multiplied together to get 0.24
any two , as long as one is great than 1 soo , try 2
2 * ? = 0.24
I suspect you can see the answer now?
Julia is a motived worker, and she is caring, considerate and cooperative most times. These are just a few of her positive,
A. typical responses
B. inherited responses
C.personality traits
D.measurable traits
At a local college, 198 of the male students are smokers and 792 are non-smokers. Of the female students, 330 are smokers and 770 are non-smokers. A male student and a female student from the college are randomly selected for a survey. What is the probability that both are non-smokers?
The probability that both male and female are non-smokers is 0.56.
Given that, at a local college, 198 of the male students are smokers and 792 are non-smokers.
What is the probability?Probability can be defined as the ratio of the number of favorable outcomes to the total number of outcomes of an event.
We know that, probability of an event = Number of favorable outcomes/Total number of outcomes
Number of male smokers=198
Number of male non-smokers=792
Total number of male smokers=198+792
= 990
Number of female smokers=330
Number of female non-smokers=770
Total number of female smokers=330+770
= 1100
Probability that both are non-smokers is given by
P(both are non-smokers ) = P(Male non-smoker) × P(female non-smoker)
= 792/990 × 770/1100
= 0.8 × 0.7
= 0.56
Therefore, the probability that both male and female are non-smokers is 0.56.
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Finding the slope and y-intercept of a line.
Answer:
Slope = -5/2
Y-intercept = -9
Step-by-step explanation:
Hello!
The equation is given in Slope-Intercept Form: y= mx + b
m = slopeb = y-interceptSince the slope is the coefficient of the x-term, the slope of this equation is -5/2, or -2.5
The y-intercept is the numerical constant, which is given the by the integer -9.
Can someone help me with this question please like explain it to me ?
Using the trigonometry relation, the value of sin2x=4√2/9, cos2x=7/9 and tan2x=4√2/7.
In the given question, we have to find the value of sin(2x), cos(2x) and tan(2x).
The given value of six=1/3, x in quadrant first.
We firstly finding the value of cosx.
cosx = √1-(sinx)^2
Now putting the value of sinx
cosx = √1-(1/3)^2
cosx = √1 -1/9
cosx = √(9-1)/9
cosx = √8/9
cosx = 2√2/3
We know that;
sin2x=2sinxcosx
sin2x=2* 1/3 * 2√2/3
sin2x=4√2/9
Now finding the value of cos2x
We know that;
cos2x=1-2(sinx)^2
cos2x=1-2(1/3)^2
cos2x=1 -2/9
cos2x=(9-2)/9
cos2x=7/9
Now finding the value of tan2x
As we know that
tan2x=sin2x/cos2x
tan2x=(4√2/9)/(7/9)
tan2x=4√2/7
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