Answer:
3.
let basketballs be x
and footballs will be 3 + x
3 + x + x = 27
2x = 27 - 3
2x = 24
x = 12
basketballs were 12 and footballs 15
4.bowl of soup x
hamburger 2x
2x + x = 738
3x = 738
x = 246
bowl of soup 246 calories
hamburger 492 calories
5. lisa x
carmen x - 6
x - 6 + x = 168
2x = 174
x = 87
lisa 87 strokes and carmen 81 strokes
6. first number x
second number x + 1
x + x + 1 = 191
2x = 190
x = 95
first number is 95 and second number is 96
A bed measures 40 inches by 75 inches.
What is the distance between opposite corners of the bed?
Therefore, the distance between opposite corners of the bed is 85 inches.
What is triangle?A triangle is a three-sided polygon that is formed by connecting three non-collinear points. It is a simple closed figure with three sides and three angles. Triangles are classified according to the relative lengths of their sides and the measure of their angles. There are several types of triangles, including equilateral triangles, isosceles triangles, scalene triangles, acute triangles, obtuse triangles, and right triangles.
Here,
The distance between opposite corners of a rectangle can be found using the Pythagorean theorem, which states that for a right triangle with legs of length a and b and hypotenuse of length c, c² = a² + b².
In this case, the length and width of the bed form the legs of a right triangle, and the distance between opposite corners is the length of the hypotenuse.
Using the Pythagorean theorem, we can find the length of the hypotenuse:
c² = 40² + 75²
c² = 1600 + 5625
c² = 7225
c = √(7225)
c = 85
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The questions in the first section on a test are worth 3 points and the questions in the second section are worth 5 points. Let x represent the number of correct questions from the first section, and let y represent the number of correct questions from the second section. Sydney earned more than 80 points on the test. The inequality representing her score is 3x+5y>80. If Sydney answered 15 questions in the first section correctly, what is the minimum number of questions she must have answered correctly in the second section? 1 2 7 8
Answer:
8
Step-by-step explanation:
edge 2020
Answer:
yes it is 8
Step-by-step explanation:
Please answer my question !
Which of the following statements is true about the graph?
Domain: the smallest possible x-value to the largest possible x-value
In the case of this graph, we see the parabola starts at x = -3, and continues on forever.
Domain: [-3, infinity)
Range: the smallest possible y-value to the largest possible y-value
In the case of this graph, the parabola will continue to expand forever.
Range: (-infinity, infinity)
Therefore, while the domain has a restriction, the range does not and is all real numbers.
Hope this helps!
-
A geometric
sequence is defined
recursively by
an = 3an-7. The 1st
term of the
sequence is 2.7.
Write the explicit
formula for the
sequence.
HELP PLEASE
Answer:
2.7n=8.1^n-7
thank you for the lovely question
Explain all of the steps needed to simplify the equation 8(x+2) = 4(2x+9) using the order of operations.
Answer:
First, use the distributive property and distribute 8 to the \((x,2)\) in the first part of the equation to get \(8x + 16\).
Next, also use the distributive property to distribute the 4 to the \((2x+9)\) in the second part of the equation to get \(8x+36\).
The simplified equation looks like this: \(8x+16=8x+36\).
A CD in the financial sense is_.
Answer:
Certificate of Deposit
Step-by-step explanation:
A product offered by banks and credit unions that provides an interest rate premium in exchange for the customer agreeing to leave a lump-sum deposit untouched for a predetermined period of time.
Answer:
A CD in the financial sense is short for certificate of deposit.
Order the following from least to greatest:
Question 3 options:
1.3/4
2.−3/4
3.1/2
4.−1/2
Answer:
5/2.5
Step-by-step explanation:
Answer: -3/4 < -1/2 < 1/2 < 3/4
Step-by-step explanation:
write an equation of a ellipse in standard form with center at origin, vertex (0, root 29) and co-vertex (-5, 0)
The standard form equation of an ellipse with center at the origin, vertex (0,√29), and co-vertex (-5,0) can be written as:
x^2/a^2 + y^2/b^2 = 1
where a is the length of the semi-major axis (distance from the center to the vertex), and b is the length of the semi-minor axis (distance from the center to the co-vertex).
Since the vertex is (0,√29), we know that a = √29. And since the co-vertex is (-5,0), we know that b = 5. Substituting these values into the equation, we get:
x^2/29 + y^2/25 = 1
So, the equation of the ellipse in standard form with center at the origin, vertex (0,√29), and co-vertex (-5,0) is x^2/29 + y^2/25 = 1.
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Given the differential equation y' + 254 – 7ebt, y(0) = 0, y'(0) = 0 Apply the Laplace Transform and solve for Y(s) = L{y} Y(s) = Now solve the IVP by using the inverse Laplace Transform y(t) = L-l{Y(s)} y(t) II
By applying the Laplace transform to the given differential equation and initial conditions, we obtained Y(s) = 0. Taking the inverse Laplace transform of Y(s), we found y(t) = 0 as the solution to the initial value problem.
To solve the given initial value problem (IVP) using the Laplace transform, we start by taking the Laplace transform of the given differential equation and the initial conditions. Let's go through the steps:
Applying the Laplace transform to the differential equation y' + 254 – 7ebt, we get:
sY(s) - y(0) + 254Y(s) - 7eY(s)/(s-b) = 0.
Substituting the initial conditions y(0) = 0 and y'(0) = 0:
sY(s) + 254Y(s) - 7eY(s)/(s-b) = 0.
Next, we can solve this equation for Y(s):
sY(s) + 254Y(s) - 7eY(s)/(s-b) = 0.
sY(s) + 254Y(s) - 7eY(s)/(s-b) = 0.
sY(s) + 254Y(s) - (7eY(s)/(s-b)) = 0.
Rearranging the equation:
Y(s)(s + 254 - 7e/(s-b)) = 0.
Y(s) = 0.
Now, to find y(t), we need to take the inverse Laplace transform of Y(s) = 0. The inverse Laplace transform of 0 is simply the zero function:
y(t) = 0.
Therefore, the solution to the initial value problem is y(t) = 0.
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on April 10 a woman obtains a loan from her bank to be repaid on June 29. If the bank's discount rate is 13
2
2
1
%
, what must be the face value of a non-interest-bearing note that will have proceeds of $485 ? (\$500.00) 6. On July 10 a man needs $2350, which he plans to repay on September 18. He gets a loan from a bank that has a bank discount rate of 14.4%. What will be the face value of the noninterest-bearing note that he signs?
The face value of the non-interest-bearing note for the woman's loan should be approximately $500.26. The face value of the non-interest-bearing note for the man's loan should be approximately $2417.91.
To find the face value of a non-interest-bearing note, we can use the formula:
Face Value = Proceeds / (1 - Discount Rate * (Days to Maturity / 360))
1. Calculation for the woman's loan:
Proceeds = $485
Discount Rate = 13.22%
Days to Maturity = 80 (from April 10 to June 29)
Face Value = $485 / (1 - 0.1322 * (80 / 360))
Face Value = $485 / (1 - 0.1322 * 0.2222)
Face Value = $485 / (1 - 0.0294)
Face Value = $485 / 0.9706
Face Value = $500.26 (approximately)
Therefore, the face value of the non-interest-bearing note for the woman's loan should be approximately $500.26.
2. Calculation for the man's loan:
Amount needed = $2350
Discount Rate = 14.4%
Days to Maturity = 70 (from July 10 to September 18)
Face Value = $2350 / (1 - 0.144 * (70 / 360))
Face Value = $2350 / (1 - 0.144 * 0.1944)
Face Value = $2350 / (1 - 0.0279)
Face Value = $2350 / 0.9721
Face Value = $2417.91 (approximately)
Therefore, the face value of the non-interest-bearing note for the man's loan should be approximately $2417.91.
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6. five more than the number of books, b please help me
Answer:
what's the question
Step-by-step explanation:
5+b or b+5. It can be written either way. Some teachers are strict about how you write it but who cares?
hope it helps!
Solve the following equation by completing the square
2x^2+4x=16
Answer:
x=2,-4
Step-by-step explanation:
Use the graph below to answer the question.
What is the average rate of change of the interval [3, 6]?
8
7-
6-
5-
4
3
2
1
O
W
1 2 3
4 5 6
7
+x
8
The average rate of change of the graphed function on the interval [3,6] is given as follows:
r = 4/3.
How to obtain the average rate of change?The average rate of change of a function is given by the change in the output of the function divided by the change in the input of the function. Hence we must identify the change in the output, the change in the input, and then divide then to obtain the average rate of change.
The numeric values of the function at x = 3 and x = 6 are given as follows:
f(3) = 1.f(6) = 5.Hence the average rate of change on the interval is given as follows:
r = (5 - 1)/(6 - 3)
r = 4/3.
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How do you explain what half is?
Answer:
Say you take a pizza and cut it perfectly down the middle so there are two slices. Each slice is a half or 1/2 of the pizza.
In how many ways can you arrange the letters of the word "COMBINATORICS" such that none of the vowels (O, I, A) are together?
The number of ways to arrange the letters is 423360.
We have,
COMBINATORICS
There are 13 letters in total, including 5 vowels (O, I, A) and 8 consonants (C, M, B, N, T, R, S).
Now,
Take out the vowels from the word.
We get,
_C_M_B_N_T_R_C_S_
We see that,
There are 7 spaces where we can put the vowels.
And there are 8 consonants.
So,
= \(^7C_5\) / 2! x 8!
We divide the combination by 2! because there are two vowels with repetition.
Now,
= \(^7C_5\) / 2! x 8!
= ((7 x 6)/2 x 2)x 8 x 7 x 6 x 5 x 4 x 3 x 2
= 7 x 3 x 4 x 7 x 6 x 5 x 4 x 3 x 2
= 423360
Thus,
The number of ways to arrange the letters is 423360.
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Katlin is putting money into a savings account. She starts with $750 in savings in the savings account and each week she adds $60. How much does have in here savings after 19 weeks
Answer:
Step-by-step explanation:
Kaitlin: y = 60x + 750
y = 60(19) + 750
1140 + 750 = $1890 total
solve 6x - 3 = 3x + 12
Answer:
x=5
Step-by-step explanation:
May I have brainiest I'm trying to level up!
</3 PureBeauty
Answer:
x=5
Step-by-step explanation:
6x-3 = 3x +12
+3 +3
6x = 3x +15
-3x -3x
3x = 15
divided both sides by 3 to get your answer
Ratios as Ordered Pairs
PLS HELP I WILL GIVE YOU BRAINLIST AND 50 POINTS
Which ordered pairs represent the equivalent ratios in the table? Check all that apply.
(1, 2)
(1, 4)
(2, 8)
(4, 1)
(3, 12)
Answer:
1,4, 2,8, and 3,12 are all equivalent
Plzzzzz give me Brainliest!!!!!
(How many terms are needed in the series for cosx to compute the value of cosx for |x | ≤ 1/1/12 accurate to 12 decimal places (rounded)? Name the theorem you are using to get to the solution. (4+1)
The value of cos(x) for |x| ≤ 1/12 accurate to 12 decimal places (rounded), we need at least 5 terms in the series of cos(x). We will use Taylor's theorem to derive this result.
Taylor's theorem, also known as the Taylor series theorem, is a mathematical formula used to represent functions as a sum of infinitely many derivatives in order to approximate them over a certain interval.
This formula allows us to derive the value of a function at a point using information about its derivatives at that point.
In essence, Taylor's theorem is a tool used in calculus to model complex functions that cannot be easily solved.
Using Taylor's theorem to solve the question:
We know that the Taylor series expansion of cos(x) is given by the formula:
cos(x) = 1 - x²/2! + x⁴/4! - x⁶/6! + ...
To get an accurate value of cos(x), we need to keep adding terms in the series until the absolute value of the next term is less than our required accuracy.
Using |x| ≤ 1/12 and rounding to 12 decimal places, we have an error tolerance of 0.000000000001.
Therefore, we need to find the smallest value of n such that \(|x^(n+1)/(n+1)!| ≤ 0.000000000001,\)
where x = 1/12.
Substituting x = 1/12,
we have |(1/12)^(n+1)/(n+1)!| ≤ 0.000000000001
Using a calculator, we can find that n = 4 satisfies this inequality.
Therefore, we need at least 5 terms in the series of cos(x) to compute the value of cos(x) for |x| ≤ 1/12 accurate to 12 decimal places (rounded).
Conclusion:
To calculate the value of cos(x) for |x| ≤ 1/12 accurate to 12 decimal places (rounded), we need at least 5 terms in the series of cos(x). We used Taylor's theorem to derive this result.
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What is the range of the following set?
28, 45, 12, 34, 36, 45, 19, 20
A. 33
B. 57
C. 45
D. 8
Answer: A. 33
Step-by-step explanation:
How many more pairs of parallel sides does a regular octogon have then a regular hexagon
Answer:
1 more.
Step-by-step explanation:
A regular octagon has 4 pairs.
A regular hexagon has 3 pairs.
Hope this helped. :)
Which of the following could be used to isolate the variable in the equation 9x = 14?
A. Add - 14 to both sides.
B. Divide both sides by
C. Multiply both sides by S.
D. Subtract 8x from both sides.
Answer:
Divide both side by 9
Step-by-step explanation:
Given that 6x – 5y = 14
Find x when y = 2
Answer:
x = 4
Step-by-step explanation:
Given
6x - 5y = 14 ← substitute y = 2 into the equation
6x - 5(2) = 14
6x - 10 = 14 ( add 10 to both sides )
6x = 24 ( divide both sides by 6 )
x = 4
Answer:
\(\huge\boxed{\sf x = 4}\)
Step-by-step explanation:
\(\sf 6x-5y = 14\\\\Put \ y = 2\\\\6x - 5(2) = 14\\\\6x - 10 = 14\\\\ Adding \ 10 \ to \ both \ sides\\\\6x = 14+10\\\\6x = 24\\\\Dividing \ both \ sides \ by \ 6\\\\x = 24 / 6\\\\x = 4\\\\\rule[225]{225}{2}\)
Hope this helped!
~AH1807The distribution of the sample mean, , will be normally distributed if the sample is obtained from a p+opulation that is normally distributed, regardless of the sample size.
The statement 'The distribution of the sample mean, x overbar, will be normally distributed if the sample is obtained from a population that is normally distributed, regardless of the sample size.' is True
In this question we have been given a statement 'The distribution of the sample mean, x overbar, will be normally distributed if the sample is obtained from a population that is normally distributed, regardless of the sample size.'
We need to state whether the statement is True or False.
We know that the sampling distribution of the sample mean is the probability distribution of all possible values of the random variable x that are computed from a sample of size n.
Also if a random variable X is normally distributed, the distribution of the sample mean, x overbarx, is normally distributed.
Therefore, given statement is True.
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The new runway your client is pouring on the east side of the estate is to the ranch house is 3.75 miles long, and covers a total of 5.6 acres, which means the runway is feet wide.
The width of the runway is approximately 28.3 feet. The length of the runway in feet is Length = 3.75 miles * 5,280 feet/mile
The new runway being constructed on the east side of the estate, which extends to the ranch house, is 3.75 miles long and covers a total area of 5.6 acres. To determine the width of the runway in feet, we can use the following information:
1 acre = 43,560 square feet
First, let's convert the length of the runway from miles to feet:
1 mile = 5,280 feet
Therefore, the length of the runway in feet is:
Length = 3.75 miles * 5,280 feet/mile
Next, let's calculate the width of the runway using the area and length:
Area = Length * Width
Since we are given the area in acres, we need to convert it to square feet:
Area = 5.6 acres * 43,560 square feet/acre
Now, we can solve for the width:
Width = Area / Length
Substituting the values we have:
Width = (5.6 acres * 43,560 square feet/acre) / (3.75 miles * 5,280 feet/mile)
Simplifying the expression:
Width = (5.6 * 43,560) / (3.75 * 5,280) feet
Calculating the value:
Width ≈ 560,784 / 19,800 feet
Width ≈ 28.3 feet
Therefore, the width of the runway is approximately **28.3 feet**.
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Which graph shows the solution to this system of inequalities?
y <3x -4
There is an infinite number of solutions to the inequality equation 3x - y > 4. The graph is shown below.
What is inequality?Inequality is defined as an equation that does not contain an equal sign. Inequality is a term that describes a statement's relative size and can be used to compare these two claims.
The system of inequality is given below.
y < 3x - 4
The inequality can be written as
3x - y > 4
The graph of the equation is given below.
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Which of the following is the solution set of the
problem?
O (-∞, -3)
(-∞, -3]
O
[-3,00)
O (-3,00)
DONE
The solution set of the example inequality, 2•x + 3 ≤ -3, is the option;
(-∞, -3]How can the solution set of an inequality be found?A possible inequality that can be used to get one of the options, (the inequality is not included in the question) is as follows;
2•x + 3 ≤ -3Solving the above inequality, we have;
2•x + 3 ≤ -3
2•x ≤ -3 - 3 = -6
2•x ≤ -6
Therefore;
x ≤ -6 ÷ 2 = -3
x ≤ -3
Which gives;
-∞ < x ≤ -3-∞ < x ≤ -3 in interval notation is (-∞, -3]
The solution set of the inequality, 2•x + 3 ≤ -3, is therefore the option;
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Each side of a checkerboard measures
40 cm. What is the length of its
diagonal?
The length of diagonal of the checkerboard is \(40\sqrt{2} cm\).
The Pythagoras theorem can be applied to a right angle triangle. It states that the square of hypotenuse is equal to sum of square length of base and height of the triangle. Mathematically: Hypotenuse² = Perpendicular² + Base². The diagonal of a square divides the square in two right triangles.
The each side of a checkerboard measures 40 cm, that means checkerboard is a square. So, applying the Pythagoras theorem in the triangle formed by diagonal and two sides of square,
\(D^2=S^2+S^2\\D^2=40^2+40^2\\D=40\sqrt{2} cm\)
Where D is the length of diagonal and S is the length of side of checkerboard.
Therefore, the length of the diagonal of checkerboard is \(40\sqrt{2} cm\).
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save me i be having trouble bro
The bakers at Healthy Bakery can make 360 bagels in 2 hours. How many bagels can they bake in 16 hours? What was that rate per hour?
Express (root 19 - root 7)(root 19 + root 7) in simplest form.
Answer
root 354
Step-by-step explanation:
Answer:
12
Step-by-step explanation:
(√19 -√7)(√19 +√7)
( a +b)( a -b) = a²-b²
(√19)² -(√7)² = 19 -7 = 12