Tomas is planning out a rail trail using a map with a marked grid. The head of the trail, which has an information kiosk, is located at (3, 0). He moves 1 unit east and 3 units north and places a pin at (4, 3) to represent the location of another information kiosk. He continues placing pins so that each pin is 1 unit east and 3 units north in relation to the previous pin. Which of the following points will have pins? Select all that apply.
A coordinate plane has an x-axis labeled East from 0 to 10 in increments of 1 and a y-axis labeled North from 0 to 10 in increments of 1.
A.
(5, 6)
B.
(6, 8)
C.
(7, 10)
D.
(8, 17)
E.
(9, 18)
F.
(10, 21)
Answers
Answer:
A, B, C.
Step-by-step explanation:
Related Questions
For questions 3-4, use the graph of the polynomial function to find the factorization of the polynomial. Assume there is no constant term. 3
Answers
3. The factored polynomial is p(x) = (x - 1)(x - 5)
4. The factored polynomial is p(x) = (x + 3)²
What is a polynomial?A polynomial is a mathematical expression in which the power of the unknown is greater than or equal to 2.
3. To factorize the polynomial using the graph, we see that the polynomial cuts the x - axis at x = 1 and x = 5.
This implies that its factors are (x - 1) and (x - 5)
So, the factored polynomial is p(x) = (x - 1)(x - 5)
4. To factorize the polynomial using the graph, we see that the polynomial touches the x - axis at only one point x = -3. So,it has repeated roots
This implies that its factors are (x - (-3)) = (x + 3) twice
So, the factored polynomial is p(x) = (x + 3)²
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A phone company determined that an increase in income does not indicate a change in a customer's phone usage. What does the analysis show?There is no correlation between income and phone usage.
There is a correlation between income and phone usage. There may or may not be causation. Further studies would have to be done to determine this.
There is a correlation between income and phone usage. There is probably also causation. This is because there is likely an increase in phone usage with an increase in income.
Answers
The analysis shows there is a correlation between income and phone usage. There may or may not be causation. Further studies would have to be done to determine this.
What is correlation and causation?Correlation is a statistical measure used to measure the relationship that exists between two variables. It is used to measure the direction of change in one variable when there is a change in another variable.
Causation is when a change in one variable leads to another change in the other variable.
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. Suppose a government agency has a monopoly in the provision of internet connections.
The marginal cost of providing internet connections is 1
2
, whereas the inverse demand
function is given by: p = 1
Answers
The government agency as a monopolist will produce and sell internet connections up to the point where the marginal cost is 1/2. The price will be set at 1, given the perfectly elastic demand function.
In the scenario where a government agency has a monopoly in the provision of internet connections and the inverse demand function is given by p = 1, we can analyze the market equilibrium and the implications for pricing and quantity.
The inverse demand function, p = 1, implies that the market demand for internet connections is perfectly elastic, meaning consumers are willing to purchase any quantity of internet connections at a price of 1. As a monopolist, the government agency has control over the supply of internet connections and can set the price to maximize its profits.
To determine the optimal pricing and quantity, the monopolist needs to consider the marginal cost of providing internet connections. In this case, the marginal cost is given as 1/2. The monopolist will aim to maximize its profits by equating marginal cost with marginal revenue.
Since the inverse demand function is p = 1, the revenue received by the monopolist for each unit sold is also 1. Therefore, the marginal revenue is also 1. The monopolist will produce up to the point where marginal cost equals marginal revenue, which in this case is 1/2.
As a result, the monopolist will produce and sell internet connections up to the quantity where the marginal cost is 1/2. The monopolist will set the price at 1 since consumers are willing to pay that price.
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what is the simplifed form of the fraction below?
24/30
Answers
Answer:
it is 4/5 because you have to divide by 6
What is the area of the square that measures 3.1 m on each side
Answers
The area of the square with a side length of 3.1 meters is 9.61 square meters.
To find the area of a square, we need to multiply the length of one side by itself. In this case, the square has a side length of 3.1 m.
Area of a square = side length × side length
Substituting the given side length into the formula:
Area = 3.1 m × 3.1 m
To perform the calculation:
Area = 9.61 m²
It's worth noting that when calculating the area, we are working with squared units. In this case, the side length is in meters, so the area is expressed in square meters (m²). The area represents the amount of space enclosed within the square.
Remember, to find the area of any square, you simply need to multiply the length of one side by itself.
The area of the square with a side length of 3.1 meters is 9.61 square meters.
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I apologize for asking this again but I need help finding the complementary angles, ASAP
Answers
Answer:
2nd option is correct
∠AEF and ∠FED , ∠AEG and ∠CEG
Step-by-step explanation:
1st option is a supplementary and even 3rd and 4th options
Need help with this! Brainliest to who answers.
Answers
Answer: K
Step-by-step explanation:
The subtraction with the negatives can cancel out, resulting in a possible positive answer.
Answer:
k
Step-by-step explanation:
K you CAN get a positive number....
example :
-3 - (-5) = -3 + 5 = + 2
The Fishers ate out at a restaurant and paid a total of $68.22, including the tip. If the Fishers tipped 20%, what was the cost of the meal?
Answers
Explanation:
Multiply 68.22 by 1.2 to get 81.864 or $81.86
Please help me 10 Stars granted image attached below
Answers
Answer:
(-1/2,0)
Step-by-step explanation:
Marcus is buying a pair of running shoes that are discounted 20% from the original price
of $100. The store is also having a holiday sale, so they will take an additional 20% off the
sale price. How much will Marcus pay for his shoes?
Answers
Answer: $64
Step-by-step explanation:
20% of 100 is 20 so 100-20=80. Also 20% of 80 is 16. So 80-16=64. So that’s the answer.
need help i don't know how to do this
Answers
Line AB is congruent to line CD , proved.
What is the proof for line AB and CD?The proof that line AB is congruent to line CD is determined as follows;
If line AB ≅ CD, then will have the following to be true;
m∠BAE = m∠DCEm∠ABE = m∠CDEm∠AEB = m∠DECLet angle A = x
The value of angle C will be equal to x (alternate angles are equal)
Let angle B = y
The value of angle D will be equal to y (alternate angles are equal)
Let angle m∠AEB = z
The value of m∠DEC will be equal to z (vertical opposite angles are equal).
So line AB is congruent to line CD , proved.
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A boat travels 432km in 24 hours how far can it travel in 16 hours?
Answers
Answer:
First find the distance per hour by dividing
432/24=18
multiply the rate with 16 hours
18 km per hour x 16 hours = 288 km in 16 hours
Step-by-step explanation:
Answer:
288km
Step-by-step explanation:
if a boat travels 432km in 24 hours .
then
it will cover x km in 16 hours
Using Direct Proportion:
\( \mathsf{x = \frac{432 \times 16}{24} } \)
\( \mathsf{x = \frac{432 \times 2}{3} }\)
\( \mathsf{ x = 144 \times 2}\)
\( \boxed{ \mathsf{ \implies \: 288km}}\)
hence the boat is gonna travel 288km in 16 hours
Divide −91 by −13. Determine the correct sign of the quotient.
Answers
Positive 7
WILL GIVE BRAINLIEST
Answers
Answer:
OK where is the qûestion
The equation relating the number of customized cell phones produced and the profit per cell phone is p=-2.50n2+21n, where n is in 100000s. Plot the resulting graph. Be sure to label and number the axes appropriately and indicate the maximum value of p
Answers
Answer:
Please find attached the graph of the profit function created wit Microsoft Excel
The maximum profit, p\(_{max}\) = 4,410,000
Step-by-step explanation:
The given equation is presented as follows;
The profit, p = -2.5·n² + 21·n
The value of n is given in 100,000 s
Differentiating the profit function and equating the result to zero to find the values for the maximum profit, we have;
d(-2.5·n² + 21·n)/dn = -5·n + 21 = 0
n = 21/5 = 4.2
The maximum profit, f(4.2) = -2.5 × 4.2² + 21 × 4.2 = 44.1
The maximum profit, f(4.2) = 44.1 × 100,000 = 4,410,000
A candidate for political office wants to determine if there is a dif- ference in his popularity between men and women. For this, he collects a sample of 250 men and 250 women and records if they vote for him in the upcoming election. Of those sampled, 105 of the men and 128 of the women plan on voting for the candidate. Based on these data, construct a 95% confidence interval to compare the popularity between men and women. Justify your answer clearly.
Answers
Answer:
i think you well read and answer
Step-by-step explanation:
An administrator at a local high school wants to investigate whether there is an association between the grade level of a student (either ninth, tenth, eleventh, or twelfth) and how the student commutes to school (either walks, bikes, takes the bus, receives a ride, or drives). After a chi-square test for association was conducted, the results indicated that the chi-square test statistic was 14.63 with a p-value of 0.2623. Which of the following is the correct interpretation of the p-value in the context of the test?
a. There is a 26.23 percent chance that grade level and how a student commutes to school are independent.
b. There is a 26.23 percent chance that there is no association between grade level and how a student commutes to school.
c. Assuming there is no association between a student's grade level and how the student commutes to school, there is a 26.23 percent chance of finding a test statistic that is 14.63 or larger.
d. Assuming that a student's grade level and the way the student commutes to school are dependent, there is a 26.23 percent chance of finding a test statistic that is 14.63 or larger.
e. Assuming that a student's grade level and the way the student commutes to school are dependent, there is a 26.23 percent chance of finding a test statistic that is 14.63 or smaller.
Answers
Answer:
c.
Step-by-step explanation:
The following is how the p-value should be interpreted:
The probability of getting the test statistics value at least as intense as it might have been acquired during the test, assuming the null hypothesis is true, is considered as the p-value.
Null hypothesis
\(\mathbf{H_o :}\) A student's grade level has no bearing or association on how they commute to school.
Alternative hypothesis;
\(\mathbf{H_1: }\) There is a link between a student's grade level and the way they get to school.
The test statistic's value is 14.63, and the p-value is 0.2636.
As a result, the p-value is interpreted as that of option c in the question.
Answer: C
Step-by-step explanation: Because the p value is less than 0.05 you know that your null hypothesis can be rejected and thus your alternative can have significant evidence to be proven. Thus you can eliminate answer choices B, and E. A and B can be rejected because your p value from your chi square test is telling you the likelihood of your chi square falling in a certain category of the graph.
Which set of values could be the side length of a 30 60 90 triangle? A. {5,5v3,10}
Answers
Therefore, the answer is A. {5, 5√3, 10}.
The set of values {5, 5√3, 10} could be the side lengths of a 30-60-90 triangle.
In a 30-60-90 triangle, the sides are in a specific ratio. The ratio is 1 : √3 : 2, where the shortest side (opposite the 30-degree angle) has length x, the side opposite the 60-degree angle has length x√3, and the hypotenuse (opposite the 90-degree angle) has length 2x.
Let's check if the given set of values satisfies this ratio:
If x= 5, then the side opposite the 60-degree angle should be 5√3, and the hypotenuse should be 10. These values match the ratio, so the set {5, 5√3, 10} could be the side lengths of a 30-60-90 triangle.
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The amount of orange juice in a bottle is modeled by the equation y=128-8x, where y is the number of ounces of juice in the bottle, and x is the number of servings or juice poured from the bottle.
How many servings are in a bottle?
Answers
Answer:
There are 16 servings in the bottle.
Step-by-step explanation:
The equation for the amount of juice left in the bottle is:
y = 128 - 8*x
Where x is the number of servings of juice poured from the bottle.
The total number of servings that are in the bottle is the value of x such that we have y = 0 (because in that point, we do not have more juice left)
Then we need to solve:
y = 0 = 128 - 8*x
8*x = 128
now we can just divide both sides by 8
x = 128/8 = 16
There are 16 servings in the bottle.
Using no other digits except 2 and 5 write down, if possible, a three-digit multiple of 5
Answers
Answer:
225
Step-by-step explanation:
Answer:
255
Step-by-step explanation:
One example of a number that meets this criteria is 255.
what is the constant of proportionality for 4y=16
Answers
Answer:
Step-by-step explanation:
y=4x
I WILL LITTERALLY GIVE BRAINLIEST TO THE FIRST PERSON TO ANSWER THESE QUESTIONS IF THEY ARE CORRECT:
Which expression represents the value, in dollars, of a certain number of dimes, d, and nickels, n?
0.10d + 0.05n
0.05d + 0.10n
0.15d + n
0.15dn
What is the solution to the equation x + 7.5 = 21.5?
x = 2.9
x = 7.8
x = 14
x = 29
If 9x = 63, then x = ___. (Only input whole number)
Arby's age is 6 years less than 7 times Anna's age. If Anna's age is x years, which expression best shows Arby's age?
x
7x − 6
x − 1
6x − 7
Ricky made 86 phone calls in 3 months. In the first month she made 21 calls, and in the second month she made 19 calls. How many calls did she make in the third month?
21
40
46
65
A group of students must collect at least $150 to organize a science fair. They have already collected $90. Which graph best represents all remaining amounts of money, in dollars, that the students should still collect to organize the science fair?
Number line graph with closed circle on 240 and shading to the right.
Number line graph with closed circle on 90 and shading to the right
Number line graph with closed circle on 60 and shading to the right.
Number line graph with closed circle on 150 and shading to the right.
The cost of 3 bottles of apple spread is $7.41. What is the cost of each bottle of apple spread?
$1.62
$2.47
$4.41
$10.41
If n is at least 7, which inequality best represents the values of n?
n > 7
n < 7
n ≥ 7
n ≤ 7
Lacey has $36 to spend. She buys a pair of sunglasses for $14.89 and a hat for $9.33. Lacey buys a scarf with the remaining money. How much does Lacey spend buying a scarf?
$4.66
$7.44
$11.78
$24.22
A store sold 70 copies of a magazine for $350. Each copy of the magazine costs the same. Which equation and set of ordered pairs best represents the price (y), in dollars, of a certain number of copies (x) of the magazine?
y = 3x; (1, 3), (2, 6), (3, 9)
y = 4x; (1, 4), (2, 8), (3, 12)
y = 5x; (1, 5), (2, 10), (3, 15)
y = 6x; (1, 6), (2, 12), (3, 18)
If y = 20x, which table shows the values of y for different values of x?
x 0 2 4
y 0 20 40
x 0 2 4
y 0 22 24
x 0 2 4
y 0 10 5
x 0 2 4
y 0 40 80
If y is 15 times x, which equation shows the relationship between x and y?
y = 15 + x
x = 15 + y
x = 15y
y = 15x
Minni has to buy stickers, erasers, and a pencil. She can only spend $4. A sticker costs $0.35, an eraser costs $0.99, and a pencil costs $0.59. Can Minni buy 2 stickers and 2 erasers?
[Use the inequality 0.35x + 0.99y + 0.59 ≤ 4]
Yes, because the total will be $3.27
Yes, because the total will be $1.93
No, because the total will be $4.27
No, because the total will be $5.93
A set of numbers is shown below:
{3.1, 4.2, 7.2, 8.4, 12.2}
The number __ from the set will make the equation x + 2 = 6.2 true.
A set of numbers is shown below:
{0, 0.4, 1, 2, 3}
Which of the following shows all the numbers from the set that make the inequality 4x + 1 ≥ 5 true?
{2, 3}
{1, 2, 3}
{0, 0.4, 1}
{0.4, 1}
Answers
Answer:the answer for number 1 is 0.10d+0.05n i think/ and for number 2 its x=14
Step-by-step explanation:
Reuben made a shirt using 7/8yards of red fabric and 1/4yards of yellow fabric. How many more yards of red fabric did Reuben use?
Answers
Answer and Step-by-step explanation:
To find out how many more yards of red fabric Reuben used, we need to subtract the amount of yellow fabric from the amount of red fabric. Since the two fractions have different denominators, we need to find a common denominator before subtracting them. The least common multiple of 8 and 4 is 8, so we can rewrite both fractions with a denominator of 8:
7/8 - 1/4 = 7/8 - (1/4) * (2/2) = 7/8 - 2/8 = (7 - 2)/8 = 5/8
So, Reuben used 5/8 yards more red fabric than yellow fabric.
At an amusement park, riders must be at least 48 inches tall to ride the Night Eagle roller coaster. Keenan has grown 1.5 inches since last summer, but he is still too short to ride. Let x represent how tall Keenan was last summer. Which inequality describes the problem?
Answers
The inequality that describes the given word problem is;
x + 1.5 < 48
How to solve Inequality word problems?Let x represent how tall Keenan was last summer. Thus;
x = Keenan's height last summer in inches
If he was x inches last summer, and has since grown an additional 1.5 inches up to date, then it means that his total height now is;
x + 1.5 inches.
The conditons state "riders must be at least 48 inches tall to ride the Night Eagle roller coaster". So it means that his height must be equal to 48 inches, or larger than 48 inches, to make him eligible to ride the roller coaster.
But since he is still too short to ride, this means the expression x+1.5 is smaller than 48 and as such the inequality of this problem is;
x + 1.5 < 48
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A baker has a bag with 20 cups of flour. The baker plans to use the flour to make 4 loaves of bread. Each loaf of bread uses cups of flour. How many cups of flour will remain in the bag when the baker is finished?
Answers
Following our assumption, the number of cups that will be remained in the bag after the baker is finished is 4 cups.
What are word problems?Word Problems in mathematics are those methods involving the use of algebra, fractions, ratios, and other basic mathematical concepts to solve problems in real-life cases.
From the given information:
A bag of flour = 20 cupsThe baker plans to make = 4 loavesLet's assume that each flour make use of = 4 cupsThen, the number of cups to make 4 loaves of bread is:
= (4 × 4) cups
= 16 cups to make 4 loaves of bread.
The number of cups of flour remaining will be:
= 20 - 16 cups of flour
= 4 cups of flour remaining
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At a bakery, one customer pays $5.67 for 3 bagels and 4 muffins. Another customer pays $6.70 for 5 bagels and 3 muffins. Which system of equations can be used to determine the cost x (in dollars) of one bagel and the cost y (in dollars) of one muffin at the bakery?
Answers
The bagel costs $0.89 and a muffin costs $0.75
How to create a system of equations?Let B = Bagel cost
Let M = Muffin cost
Thus, from the given question parameters, the system of equations that can be used to determine the cost x is;
3B + 4M = 5.67 ------(1)
5B + 3M = 6.70 ------(2)
Multiply the 1st equation by 3 and the 2nd equation by (-4) to get;
9B +12M = 17.01 ------(3)
-20B - 12M = -26.80 ------(3)
Add equations 3 and 4 together to get;
-11B = -9.79
B = 0.89
Plug this value for B in to the 1st equation and solve for M to get;
3(0.89) + 4M = 5.67
2.67 + 4M = 5.67
4M = 3.00
M = 0.75
Thus, a bagel costs $0.89 and a muffin costs $0.75
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Polygon ABCD is plotted on a coordinate plane and then rotated 90° clockwise about point C to form polygon A′B′C′D′. Match each vertex of polygon A′B′C′D′ to its coordinates.
Graph of rigid functions on a coordinate plane. A quadrilateral vertices are plotted at A (4, 6), B (5, 3), C (4, 2), and D (1, 2) in quadrant 1. Interior are of quadrilateral is shaded.
Answers
The vertices of ABCD after 90 degrees clockwise rotation about point C are: A' (0,6), B' (3,7), C' (4,6) and D' (4,3)
How to match the vertices of the polygon?The image of the polygon ABCD is not given; however, the question can still be answered because the coordinates are known.
The vertices of polygon ABCD are given as:
A = (4, 6)
B = (5, 3)
C = (4, 2)
D = (1, 2)
The rule of rotation about point C is:
(x,y) = (a + b - y, x + b - a)
Where:
(a, b) = (4, 2) --- the point of rotation.
So, we have:
(x,y) = (4 + 2 - y, x + 4 - 2)
(x,y) = (6 - y, x + 2)
The above means that:
A' = (6 - 6, 4 + 2) = (0,6)
B' = (6 - 3, 5 + 2) = (3,7)
C' = (6 - 2, 4 + 2) = (4,6)
D' = (6 - 2, 1 + 2) = (4,3)
Hence, the image of the rotation and their vertices (i.e. coordinates) are:
A' = (0,6)
B' = (3,7)
C' = (4,6)
D' = (4,3)
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Periodic Deposit: $1000 at the end of each year Rate: 4.5% compounded annually Time: 11 years
Answers
The interest amount is $622.85
How to determine the interest amount?The given parameters are:
Principal, P =$1000 Rate, r = 4.5% compounded annually i.e. n = 1Time, t = 11 yearsThe interest amount is calculated as:
I = P(1 + r/n)^(nt) - P
This gives
I = 1000 * (1 + 4.5%/1)^(1 * 11) - 1000
Evaluate the products and the quotient
I = 1000 * (1 + 0.045)^(11) - 1000
Evaluate the sum
I = 1000 * (1.045)^(11) - 1000
Solve
I = 622.85
Hence, the interest amount is $622.85
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How can you use counters to show division and subtraction
relationship
Answers
Answer:
what grade are u in just need to know so I can help bc I dont understand the question
Which unit of measurement is the best unit to be used in measuring the weight of an adult?