Joseph's grandparents get him a puppy for his thirteenth birthday, and he names the puppy Bailey. Joseph does a good job taking care of Bailey, and she's growing so fast! When Bailey is 1 month old, she weighs 3 pounds. When she is 3 months old, she weighs 6 pounds. In this relationship, x represents Bailey's age (in months), and y represents her weight (in pounds). Explain why this is not a proportional relationship
Answers
Answer:
Step-by-step explanation:
It's not proportional because for every 1 month there's supposed to be 3 pounds, but it shows that when she was 3 months she is 6 pounds soits not proportional because it shows she grows 3 times at first but then by 3 months she grows 1/3
Related Questions
Amelia is saving up to buy a new $105 iPad pen. Her best friend gave her $12 and she saves $20 per week from her babysitting job. How many weeks will she have to save money in order to buy the iPad? Write an inequality to solve.
Answers
EXPLANATION
Let's see the facts:
Ipad pen cost = -$105
Best friend ----> +$12
---------------
-$93
Babysitting Saves +$20/week
We are still needing $93 dollars to buy the pen, so, if she earns $20 peer week, then she should work:
$93 = 20 $/week * number of weeks
Calling x to the number of weeks and turning this into an inequality:
12 + 20x ≥ 105
Subtracting -12 to both sides:
20x ≥ 105-12
Simplifying:
20x ≥ 93
Dividing both sides by 20:
x ≥ 93/20
Simplifying:
x ≥ 4.65
Answer: Amelia should at least work 5 weeks in order to save the money to buy the Ipad pen.
match the statistical method with the relevant research question type.a. correlationb. linear regressionc. independent t-testd. dependent t-test
Answers
a. Correlation: This method measures the strength and direction of the relationship between two continuous variables.
b. Linear Regression: This method predicts the value of one continuous variable based on the value of another continuous variable.
c. Independent t-test: This method compares the means of two independent groups to determine if there is a significant difference between them.
d. Dependent t-test: This method compares the means of two related groups (e.g., pre-test and post-test) to determine if there is a significant difference between them.
a. Correlation - This statistical method is used when the research question involves examining the relationship between two continuous variables. For example, "Is there a correlation between hours spent studying and GPA?"
Research question type: "Is there a relationship between variable A and variable B?"
b. Linear Regression - This statistical method is used when the research question involves predicting a continuous dependent variable based on one or more continuous independent variables. For example, "Can we predict income based on years of education and work experience?"
Research question type: "Can we predict variable A based on variable B?"
c. Independent t-test - This statistical method is used when the research question involves comparing the means of two independent groups on a continuous variable. For example, "Is there a difference in salaries between male and female employees?"
Research question type: "Is there a significant difference in variable A between Group 1 and Group 2?"
d. Dependent t-test - This statistical method is used when the research question involves comparing the means of two related groups on a continuous variable. For example, "Is there a significant difference in test scores before and after a study intervention?"
Research question type: "Is there a significant difference in variable A between the pre-test and post-test results?"
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The lengths of the bases of a trapezoid are 5 feet and 8 feet. The trapezoid has an area of 104 square feet.
What is the height, h, of the trapezoid?
h = 13 ft
h = 16 ft
h = 20.8 ft
h = 21.4 ft
Answers
Answer:
B the height is 16 ft
Step-by-step explanation:
Answer:16
Step-by-step explanation: k12
Instructions: Find the equation of the line through point (−4,1) and parallel to y=−12x−2. Use a forward slash (i.e. "/") for fractions (e.g. 1/2 for 12). Y=
Answers
Answer:
y = - 12x - 47
Step-by-step explanation:
The equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
y = - 12x - 2 ← is in slope- intercept form
with slope m = - 12
Parallel lines have equal slopes, thus
y = - 12x + c ← is the partial equation
To find c substitute (- 4, 1 ) into the partial equation
1 = 48 + c ⇒ c = 1 - 48 = - 47
y = - 12x - 47 ← equation of parallel line
The required equation of the line is y = -12x - 47
What is the slope-point form of equation of the line?"The equation of the line having slope m and passing through points (p, q) is (y - q) = m(x - p)"
What is the slope-intercept form of the line?"y = mx + c, where m is the slope and c is the Y-intercept of the line."
For given question,
We have been given a point (-4, 1)
The required line is parallel to the line y = -12x - 2
Comparing above equation with slop-intercept form of the line.
m = -12
Let m1 be the slope of the required line.
We know that the slope of parallel lines is equal.
⇒ m1 = m
⇒ m1 = -12
Now we find the equation of the required line by using slope-point form.
Let (p, q) = (-4, 1)
By using slope-point form,
⇒ (y - q) = m1(x - p)
⇒ (y - 1) = -12(x - (-4))
⇒ y - 1 = -12x - 48
⇒ y = -12x - 47
Therefore, the required equation of the line is y = -12x - 47
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can someone help please
Answers
Answer:
1.6
Step-by-step explanation:
Only number 7. I’ll give 5 stars, (which of the following relations represent functions? Select all that apply)
Answers
B. function
C. function
D. function
E. not a function
explanation:
A. The input C cannot have two different outputs.
B. The different x inputs can all have the same y output of 3.
C. Use vertical line test and see that no two points will touch the vertical line at the same time.
D. This is a standard linear function.
E. Use vertical line test (like in C.). You will notice that there’s two intersection points of you draw a vertical line through it, so it is not a function.
Which of the following is the formula for the volume of a cube? a. s3 b. s2 c. π r2 d. π r3
Answers
Answer:
s³Step-by-step explanation:
Which of the following is the formula for the volume of a cube?
a. s³
b. s²
c. π r²
d. π r³
V = s³
PLSS HELP MaRking BRAINLIST
Answers
Answer:
A 1350/x :))))))))))))
if two lines form congruent adjacent angles, then the lines are
Answers
If two lines form congruent adjacent angles, it indicates that the lines are perpendicular to each other.
This is known as the Perpendicular Adjacent Angles Theorem. According to this theorem, if two lines intersect and the adjacent angles formed by the intersection are congruent, then the lines are perpendicular to each other.
Congruent adjacent angles are angles that have the same measure and share a common vertex and a common side. When two lines intersect to form congruent adjacent angles, it implies that the lines are forming a right angle at their point of intersection. Thus, the lines are perpendicular to each other.
In summary, if two lines form congruent adjacent angles, it indicates that the lines are perpendicular.
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A survey was given to a random sample of voters in the United States to ask about their preference for a presidential candidate. The survey reported a confidence interval that between 37.5% and 44.5% of the population preferred Candidate A. What is the margin of error on the survey? Dolnot
Answers
Answer:
margin of error is plus or minus 3.5%
+or-3.5%
Step-by-step explanation:
44.5%-37.5%=7%
7%÷2
3.5%
Determine whether it is possible to find values of L 0 so that the given boundary-value problem has precisely one nontrivial solution, more than one solution, no solution, and the trivial solution. (Let k represent an arbitrary integer. If an answer does not exist, enter DNE.) y" + 16y=0, y(0)= 1, y(L) = 1 (a) precisely one nontrivial solution (b) more than one solution (c) no solution (d) the trivial solution
Answers
There is no solution if the boundary conditions are inconsistent, i.e., if y(0) ≠ y(L) = 1.
We are given the boundary-value problem:
y" + 16y = 0, y(0) = 1, y(L) = 1
The characteristic equation is r^2 + 16 = 0, which has roots r = ±4i.
The general solution to the differential equation is then y(x) = c1cos(4x) + c2sin(4x).
Using the boundary conditions, we get:
y(0) = c1 = 1
y(L) = c1cos(4L) + c2sin(4L) = 1
Substituting c1 = 1 into the second equation, we get:
cos(4L) + c2*sin(4L) = 1
Solving for c2, we get:
c2 = (1 - cos(4L))/sin(4L)
Thus, the general solution to the differential equation that satisfies the given boundary conditions is:
y(x) = cos(4x) + (1 - cos(4L))/sin(4L)*sin(4x)
Now, we can answer the questions:
(a) To have precisely one nontrivial solution, we need the coefficients c1 and c2 to be uniquely determined. From the above expression for c2, we see that this is only possible if sin(4L) is nonzero. Thus, if sin(4L) ≠ 0, there exists precisely one nontrivial solution.
(b) If sin(4L) = 0, then c2 is undefined and we have a family of solutions that differ by a constant multiple of sin(4x). Hence, there are infinitely many solutions.
(c) There is no solution if the boundary conditions are inconsistent, i.e., if y(0) ≠ y(L) = 1.
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A scientist is studying a newly discovered species of brine shrimp by examining six shrimp in a small tank. The shrimp reproduce such that each week
the number of shrimp in an enclosed environment will be equal to twice the square of the sum of the previous week's count and three.
Which table and function correctly model this situation, where an) is the number of shrimp n weeks after today?
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Vega wants to prove that the segment joining midpoints of two sides of a triangle is half the length of the third side. Select the appropriate rephrased statement for Vega's proof.
Here are the answer choices:
Answers
Let P and Q represent the intersections of two triangle sides. Consequently, the third side's length is divided in half by the length of the section that connects P and Q.
Vega is attempting to prove that the segment joining the midpoints of two sides of a triangle is equal to half the length of the third side. To do this, she must first identify the two midpoints of any given triangle. Let P and Q be the midpoints of two sides of the triangle. She must then demonstrate that the segment connecting P and Q is equal to half the length of the third side. To do this, Vega must calculate the distance between P and Q and then compare it to the length of the third side. If the two measurements are equal, then Vega will have proven her point. This statement can be rephrased as "the length of the segment connecting P and Q is equal to half the length of the third side."
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find the radius of the circle
x^{2}+y^{2}-18y=0
EXPLAINATION NEEDED. PUT IN 5-YEAR-OLD TERMS.
Answers
The radius of the circle we found in the equation x² + y² - 18y = 0 is 9.
The circle has a center point and a line that goes around the edge of the circle that is always the same distance from the center.
This distance is called the radius.
Now, let's look at this equation:
x² + y² - 18y = 0.
This equation tells us something about a circle.
The x² and y² terms are there because they help describe the circle's shape.
The -18y term is telling us how high up the circle is on the paper.
The radius of the circle, we need to do a little bit of math.
We can start by rearranging the equation:
x² + (y² - 18y) = 0
Now, we can complete the square for the y terms.
This means we can add and subtract a number from inside the parentheses to make it look like a square:
x² + (y² - 18y + 81 - 81) = 0
The first three terms inside the parentheses now look like a square:
x² + (y - 9)² - 81 = 0
Finally, we can add 81 to both sides of the equation:
x² + (y - 9)² = 81
The equation looks like the equation for a circle! Specifically this is the equation for a circle with center at (0, 9) and radius 9.
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please help me is for my homework
Answers
Answer:
0.625
Step-by-step explanation:
:) i hope this helps.
PLS HELP WILL GIVE BRAINLIEST ALMOST DUE
Which equation could represent the line of best fit for the temperatures based on the altitudes?
Answers
Answer:
\(y = - \frac{7}{5} x + 59\)
At Memorial High School, 60 of the 240 freshmen students are on an athletic team sponsored by the school. If the ratio is the same for the sophomore class, how many of the 220 sophomores are NOT athletes
Answers
Answer:
165 students or the sophomore class of 220 are not athletic.
Step-by-step explanation:
60/240 = .25 This means that 25% of the class is athletic. That would mean and .75 or 75% are not athletic.
220 x .75 = 165
Hellohello, if you able to help me then please do. (:
Answers
Please help me I'm stuck. I will give 30 points for this one. Given triangle ABC tilde triangle PQR and your scale factor Complete the hotspots for these similar triangles and show work
Answers
The value for the hotspots of the similar triangles ∆ABC and ∆PWR are:
(1). angle B = 68°
(2). PQ = 5cm
(3). BC = 19.5cm
(4). area of ∆PQR = 30cm²
What are similar trianglesSimilar triangles are two triangles that have the same shape, but not necessarily the same size. This means that corresponding angles of the two triangles are equal, and corresponding sides are in proportion.
(1). angle B = 180 - (22 + 90) {sum of interior angles of a triangle}
angle B = 68°
Given that the triangle ∆ABC is similar to the triangle ∆PQR.
(2). PQ/7.5cm = 12cm/18cm
PQ = (12cm × 7.5cm)/18cm {cross multiplication}
PQ = 5cm
(3). 13cm/BC = 12cm/18cm
BC = (13cm × 18cm)/12cm {cross multiplication}
BC = 19.5cm
(4). area of ∆PQR = 1/2 × 12cm × 5cm
area of ∆PQR = 6cm × 5cm
area of ∆PQR = 30cm²
Therefore, the value for the hotspots of the similar triangles ∆ABC and ∆PWR are:
(1). angle B = 68°
(2). PQ = 5cm
(3). BC = 19.5cm
(4). area of ∆PQR = 30cm²
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What condition has no solution?
Answers
A condition that is impossible to satisfy has no solution.
Mathematics can be a powerful tool for solving many problems, but there are some issues that can't be solved.
In particular, any condition that is impossible to satisfy, such as the logical statement ‘this statement is false’, has no solution in mathematics. This is because the statement can’t be proven true or false, and so it can’t be solved.
An unsolvable condition is one that cannot be solved using any combination of logical and mathematical steps.
This means that no matter how much time and effort is put in, a solution to the problem cannot be discovered.
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If 5/12=1/a+1/b and ab=24, what is the value of a+b
Answers
Answer:
10
Step-by-step explanation:
\( \frac{5}{12} = \frac{1}{a} + \frac{1}{b} \\ \\ \frac{5}{12} = \frac{b + a}{ab}..(by \: taking \: lcm) \\ \\ \frac{5}{12} = \frac{a + b}{ab} \\ \\ \frac{5}{12} = \frac{a + b}{24} ...( \because \: ab = 24) \\ \\ a + b = \frac{5 \times 24}{12} \\ \\ a + b = 5 \times 2 \\ \\ \huge \red{ \boxed{ a + b = 10}}\)
This is a khan questions please answer fast!
Answers
Answer:
c
Step-by-step explanation:
Answer:
C. C is the correct answer
In 1895 , the first a sporting event was held. The winner's prize money was $140. In 2007 , the winner's check was $1,171,000. (Do not round your intermediate calculations.) Required: (a)What was the percentage increase per year in the winner's check over this period? (b)If the winner's prize increases at the same rate, what will it be in 2040?
Answers
The percentage increase per year in the winner's check over the given period. If the winner's prize increases at the same rate, it will be $1,454,735,139.69 in 2040.
To calculate the percentage increase per year in the winner's check over the period from 1895 to 2007, we can use the following formula:
Percentage Increase = (Final Value - Initial Value) / Initial Value * 100
a. Calculating the percentage increase:
Initial Value = $140
Final Value = $1,171,000
Percentage Increase = (1,171,000 - 140) / 140 * 100 ≈ 835,714.29%
b. To estimate the winner's prize in 2040, we can assume the same annual percentage increase will continue. We need to calculate the number of years from 2007 to 2040 and apply the percentage increase to the 2007 prize.
Number of years = 2040 - 2007 = 33 years
Estimated prize in 2040 = 1,171,000 * (1 + (Percentage Increase / 100))^33
Estimated prize in 2040 = 1,171,000 * (1 + (835,714.29 / 100))^33 ≈ $1,454,735,139.69
Therefore, if the winner's prize increases at the same rate, it is estimated to be approximately $1,454,735,139.69 in 2040.
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Nicole has 28 nickels and dimes that amount to $1.85 how many of each coin does she have.
Answers
5x+10y=185
-5(X+Y= 28)
5x+10y=185
-5x-5y=-140
5x+10y=185
5y=45
Y=9
28-9= 19
X=19
19 nickels
9 dimes
Add:
\(4 { x }^{ 2 } y+-3x { y }^{ 2 } +-5x { y }^{ 2 } +5 { x }^{ 2 } y\)
Answers
Step-by-step explanation:
\(4\)
\(4 {x}^{2} - 3x {y}^{2} \)
In 2011 Tufts University had 17,000 applicants. Each year the number of applicants increased 11% from the previous year.
How many applicants would you expect Tufts University to have in 2013? Round to the nearest whole
Answers
Explanation: it’s up by 2 years each being 11% so just multiply that by 2 and just do
17,000 x 22% which is 17,000 x 0.22 = 3,740
So 17,000 + 3,740 = 20,740
Colleen earns $5 for each hour of yard work. Write an equation that shows the relationship between the time spent x and the amount earned y.
Write your answer as an equation with y first, followed by an equals sign
Answers
Answer:
Easy
Step-by-step explanation:
Y=5x
I hope this helps
4. Xander's hedgehog weighs 0.62 pound.
Express his hedgehog's weight in grams.
Round your answer to the nearest gram.
Pls do step-by-step
Answers
The weight of the hedgehog in grams is 281 grams
What is the weight of the hedgehog in grams?The first step is to determine the unit of conversion of pounds to grams.
1 pound = 453.592 grams
In order to convert the weight of the hedgehog to grams, multiply the unit of conversion by the weight of the hedgehog in pounds. Multiplication is the product of two or more numbers,
Weight of the hedgehog in grams = 0.62 x 453.592 grams = 281 grams
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1)Draw the image of the figure under the translation described by thefunction.2(x, y) + (x +3, y)
Answers
The vertices of the triangle are:
(1,4), (1,-2) and (-2,-2).
A translation by the given rule will give the vertices of the image as:
\(\begin{gathered} (1,4)\to(1+3,4)=(4,4) \\ (1,-2)\to(1+3,-2)=(4,-2) \\ (-2,-2)\to(-2+3,-2)=(1,-2) \end{gathered}\)The pre-image(ABC) and image(A'B'C') are drawn in the diagram below:
a combination of values that, when arranged correctly, result in a final value.
Answers
Combinations and sequences are widely used in mathematics to explain and assess situations in which the order or selection of components might influence the final result.
What is combination?A combination in mathematics is a selection of elements from a set with distinct members, where the order of selection is irrelevant. A combination is a mathematical approach for determining the number of potential arrangements in a set of objects when the order of the selection is irrelevant. You can choose the components in any order in combinations. A combination is a method of picking elements from a collection when the order of selection is irrelevant. Assume we have three integers P, Q, and R. Combination defines how many possibilities we may choose two numbers from each set.
Here,
A combination is a grouping of things from a bigger set in which the order of the components is irrelevant. A sequence is a collection of elements that are ordered in a precise order. Combinations and sequences are frequently used in mathematics to describe and evaluate situations where the order or selection of components might impact the final outcome, such as in combinatorics, probability, and statistics.
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Complete question:
A combination of values that, when arranged correctly, result in a final value. true/false