The instantaneous rate of change of the daily receipts on day 42 is approximately -0.542 million dollars day-1.
What is rate of change?Rate of change is a major of house quickly one quantity change in relation to another.it is parisu of the changing the changing another quantity over specified time period.
The instantaneous rate of change of the daily receipts on day 42 can be estimated by taking the difference in receipts between day 28 and day 42 and dividing it by the difference in time between them. Since day 28 and day 42 are 14 days apart, the instantaneous rate of change of the daily receipts on day 42 can be calculated as:
Rate of change = (5.587 - 14.666) / 14 = -0.542 million dollars day-1.
Therefore, the instantaneous rate of change of the daily receipts on day 42 is approximately -0.542 million dollars day-1.
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Which of the following statements about the polynomial function
F(x) = x³ + 2x² - 1 is true?
A. F(x) has 1 relative minimum and 0 relative maximums
x →∞, F(x) →-∞
B. as,
x →-∞, F(x) →-∞
x → ∞, F(X) → ∞
C. as
x → -∞, F(X) →-∞
D. F(x) has 0 relative minimums and 1 relative maximum
The end behavior of the polynomial is:
x → ∞, F(X) → ∞
x → -∞, F(X) →-∞
Then the correct option is C.
Which statements are true about the polynomial?Here we have the polynomial:
F(x) = x³ + 2x² - 1
And we want to see which ones of the given statements are true. At the end of the answer you can see the graph of the function so you can know how it behaves.
There we can see that there is one relative maximum and one relative minimum, and that the end behavior is:
x → ∞, F(X) → ∞
x → -∞, F(X) →-∞
Then the only correct option is C.
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Find the surface area for the following net.
A: 184 cm2
B: 200cm2
C: 120 cm2
D: 174 cm2
Answer:
184
Step-by-step explanation:
1. big rectangle area = 10*(6+5+5) =160
2. top & bottom triangle = (2*1/2 bottom * h)= 6*4 = 24
total 160 +24 =184
Two sides of a triangle have lengths of 5
and 9. Which inequalities represent the
possible lengths for the third side, x?
A. 4 < x < 15
B. 14 < x < 19
C. 5 < x < 9
D. 4 < x < 14
The inequalities represent the possible lengths for the third side, x is 4 < x < 14, the correct option is D.
What is inequality?Inequality is defined as the relation which makes a non-equal comparison between two given functions. The set of values of the variable involved in the inequality for which the considered inequality holds true is called the solution set for that inequality.
Given;
One side of triangle =5
The other side of triangle=9
Now, the third side is between the difference and the sum of the other two sides;
9-5 < x < 9+5
4 < x < 14
Therefore, the inequality will be 4 < x < 14.
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Let $N$ be a positive integer such that every digit in $N$ is a $1$ or a $2,$ and $N$ is divisible by both $4$ and $9.$ What is the smallest possible value of $N?$
Answer:
[tex]22212[/tex].
Step-by-step explanation:
In base-10, for a number to be divisible by [tex]4[/tex], the last two digits must also be divisible. Among all the two-digit numbers formed with "[tex]\texttt{1}[/tex]" and "[tex]\texttt{2}[/tex]", only [tex]12[/tex] satisfies the requirements as the last two digits of [tex]N[/tex].
For a number to be divisible by [tex]9[/tex], the sum of all the digits must also be divisible. For [tex]N\!\![/tex] to be as small as possible, its digits should add up to the smallest multiple, [tex]1 \times 9 = 9[/tex], instead of larger ones such as [tex]18[/tex].
Since the last two digits of [tex]N[/tex] is [tex]\texttt{1}[/tex] and [tex]\texttt{2}[/tex], the other digits of [tex]N\![/tex] would need to add up to [tex]9 - 1 - 2 = 6[/tex]. To minimize the value of [tex]N\!\![/tex], these digits should consist solely of [tex]\texttt{2}[/tex]: [tex]2 + 2 + 2 = 6[/tex]. Therefore, the answer should be [tex]22212[/tex].
Lorene plans to make several open-topped boxes in which to carry plants. She makes the boxes from rectangular sheets of cardboard from which she cuts out 9-in squares from each corner. The length of the original piece of cardboard is 18 in more than the width. If the volume of the box is 792 in^3 , determine the dimensions of the original piece of cardboard.
The dimensions of the original piece of rectangular cardboard are 22 in by 40 in
What are prisms?A prism is a polyhedron comprising an n-sided polygon base, a second base which is a translated copy of the first, and n other faces, necessarily all parallelograms, joining corresponding sides of the two bases.
Given that, Lorene plans to make several open-topped boxes in which to carry plants. She makes the boxes from rectangular sheets of cardboard, from which she cuts out 9-in squares from each corner. The length of the original piece of cardboard is 18 in more than the width, the volume of the box is 792 in³,
We know that volume of rectangular box = length × width × height
length = x+18-9-9 = x
height = 9
width = x-9-9 = x+18
= (x-18) × x × 9
(x-18)×9x = 792
9x²-162x-792 = 0
x²-18x-88 = 0
Factorizing to find the value of x,
x = 22 and x = -4
Therefore, width of the cardboard = 22 in
Length = 22+18 = 40 in
Hence, the dimensions of the original piece of rectangular cardboard are 22 in by 40 in
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Find the numerical value of the log expression.
log a = 7 log b = 11 log c = 15
log
✓C5
a7b8
The given expression is a logarithm expression. The value of the log expression is -112.
What is an expression?
Mathematical expressions consist of at least two numbers or variables, at least one math operation, and a sentence. It's possible to multiply, divide, add, or subtract with this mathematical operation.
The given expression is log (³√c⁵)/(a⁷b⁸).
The value of log a = 7, log b = 11, log c = 15
Applying the quotient formula log(a/b) = log a - log b in the given expression:
= log (³√c⁵) - log (a⁷b⁸)
Again applying the product formula log (ab) = log a + log b:
= log (³√c⁵) - log (a⁷) - log b⁸
Apply the power rule log (a^b) = b log a:
= (5/3) log c - 7log a - 8log b
Now putting the value of log a = 7, log b = 11, log c = 15:
= (5/3) × 15 - 7 × 7 - 8 × 11
= 5×5 - 49 - 88
= -112
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Solve the inequality for y.
<−6+−2y4
The value of the inequality is 1
What is inequality?In equality is a mathematical statement showing that two or more variables or quantities are not equal.
The given inequality is 6<2y+4
Making y the subject of the relation
6-4<2y
⇒2=2y
Making y the subject of the relation by dividing both sides by 2
therefore, y<1
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Find the number of possible outcomes if a fair 6-sided die is tossed 4 times in a row and the result (1, 2, 3, ..., 6) of each toss is recorded?
The total number of outcomes is 24
How to determine the total number of outcomesIf a fair 6-sided die is tossed 4 times in a row, there are 6 possible outcomes for each toss.
So, the number of possible outcomes would be:
6 + 6 + 6 + 6 or 6 * 4
Evaluate
Outcomes = 24
Each of the 4 tosses is independent, so there are 6 options for the result of each toss, and the total number of possible outcomes is obtained by adding the number of options for each toss as calculated above
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A group of 500 middle school students were randomly selected and asked about their preferred television genre. A circle graph was created from the data collected.
a circle graph titled preferred television genre, with five sections labeled drama 14 percent, sports 22 percent, documentaries, reality 20 percent, and sci-fi 20 percent
How many middle school students prefer the Documentaries television genre?
24
76
120
86.4
Answer: C. 120!
Step-by-step explanation:
Okay so, first we need to find out our percentages of course.
I learned this trick that can help us with this question easily!
14% of 500 - 70 - Drama
14 * 5 = 70.
22% of 500 - 110 - Sports
22 * 5 = 110
20% of 500 - 100 - Reality
20 * 5 = 100
20% of 500 - 100 - Sci-fi
20 * 5 = 100
70 + 110 + 100 + 100 = 380
500 - 380 = 120
Therefore, documentaries is labeled as 24% of 500 or 120 out of 500.
Your welcome! ^^
Complete the equation so that it has infinitely many solutions.
5(6b-3)-3b =___
b____
The given equation would be, 5(6b-3) - 3b = 0 and b can take infinite number of values to make the equation true.
What equation system has an infinite number of solutions ?
The prerequisite for a situation in which an equation has an endless number of solutions is that the right and left sides of the equation are equal.
The equation is already complete and has infinitely many solutions.
The unknown variable is b, and there are an infinite number of values that b can take to make the equation true.
5(6b-3) - 3b = 0
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Question
Which statement best describes a graph of paired points that form a proportional relationship?
Responses
A straight line cannot be drawn through all of the the points, but the line passes through the origin.
A straight line cannot be drawn through all of the the points, but the line passes through the origin.
A straight line can be drawn through all the points, and the line passes through the origin.
A straight line can be drawn through all the points, and the line passes through the origin.
A straight line can be drawn through all the points, but the line does not pass through the origin.
A straight line can be drawn through all the points, but the line does not pass through the origin.
A straight line cannot be drawn through all of the the points, and the line does not pass through the origin.
A straight line cannot be drawn through all of the the points, and the line does not pass through the origin.
A straight line can be drawn through all the points, and the line passes through the origin. Option C
What is a proportional relationship?We know that a relationship is proportional when we can be able to find an association between the variables. It is either the variables are increasing or that the variables are decreasing.
here, we have,
Thus, we would notice that if there is an association between the variables then the graph would be a straight line graph and the graph would have to pass through the origin.
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I am a number. I am the difference of √121 and 164. What number am I?
Answer:
√121 = 11
diffrence of 164 and 11 = 164 - 11 = 153
number = 153
Devaughn is 7 years older than Sydney. The sum of their ages is 87. What is Sydney's age?
Answer:
40
Step-by-step explanation:
Assign the variable x to Devaughn's age. If Devaughn is 7 years older than Sydney, then Sydney must be 7 years younger than him, so the expression x - 7 can represent Sydney's age.
The sum of their ages would be x + x - 7 or 2x - 7 which is also said to equal 87. Therefore, this can be written as an equation and be solved accordingly:
2x - 7 = 87
2x = 94
x = 47
Therefore, Devaughn is 47 and Sydney, who is 7 years younger, is 40.
Sydney's age is determined by setting up and solving a simple algebraic equation based on the information provided. The equation that represents this situation is S + (S + 7) = 87, which leads to the conclusion that Sydney is 40 years old.
Explanation:Devaughn is 7 years older than Sydney. Given that the sum of their ages is 87, we can represent this situation with algebra. Let's denote Sydney's age as S.
Considering Devaughn is 7 years older, we can represent his age as S + 7. Given that the sum of their ages is 87, we can write down this equation: S + (S + 7) = 87.
Solving this equation will help us find Sydney's age. First, simplify the left side: 2S + 7 = 87. Then, subtract 7 from both sides: 2S = 80. Finally, divide both sides by 2 to solve for S, yielding Sydney's age: S = 40.
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please help me find domain and range
Answer:
D: ( - ∞, 5)
R: [- 3, ∞)
Step-by-step explanation:
The domain is the set of possible x values. The function has values from below five while not including 5(as shown by the open circle). Therefore the domain would be ( - ∞, 5). (Open brackets are non-inclusive while closed brackets are inclusive).
The range is the set of possible y values. The minimum of this graph seems to be at y = -3, and there is not a maximum as while the x values decrease, the y-values infinitely increase. Therefore, the range is [- 3, ∞)
Kellen is having friends over for dinner and needs to buy chicken. He is looking for the best deal. There are three package options for the chicken.
3 lbs. for $15.39
2 lbs. for $9.19
1 lb. for $7.05
Answer:
But the 2lbs.
Step-by-step explanation:
Divide $9.19 by 2 and you get 4.595 which would be the cheapest option out of the 3 because the 1lb is $7.05 and the 3lb is $5.13.
You're welcome.
if robert and is friends ate pie. each of them ate a pieces of pie. if robert has b friends how many pieces of pie did they eat in all
The total number of pieces of pie they eat in all is (1 + b) pieces of pie
How many pieces of pie did they eat in all?Number of pieces of pie eaten each = 1 piece
Number of friends= b
Total pieces of pie eaten by all = (Robert + Number of friends) × Number of pieces of pie eaten each
= (1 + b) × 1
= (1 + b) pieces of pie
Therefore, Robert and his friends are a total of (1 + b) pieces of pie.
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George and Adam painted the game room together. George painted of the room, and Adam painted 0.35 of the room.
What is the total percentage of the room painted by Adam and George?
O 50%
O 55%
O 60%
O 65%
If George painted 1/5 of the room and Adam painted 0.35 of the room then the total percentage of the room painted by Adam and George collectively is 55%.
What is percentage?
A value or ratio that may be stated as a fraction of 100 is referred to as a percentage in mathematics. If we need to calculate a percentage of a number, we should divide it by its entirety and then multiply it by 100. The proportion therefore refers to a component per hundred.
The amount of room painted by George is = 1/5
The amount of room painted by George is = 0.35
Convert the fraction into percentage -
Percentage = 1/5 × 100
Percentage = 20%
Convert the decimal into percentage -
Percentage = 0.35 × 100
Percentage = 35%
The total percentage of room painted by George and Adam is -
Total % of room painted = % of room painted by George + % of room painted by Adam
Substitute the values into the equation -
Total % of room painted = 20 + 35
Total % of room painted = 55
Therefore, 55% of the room was painted.
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George and Adam painted the game room together. George painted 1/5 of the room, and Adam painted 0.35 of the room.
What is the total percentage of the room painted by Adam and George?
Today, 7 friends went out for lunch. Their total bill was $36.31, including tax and gratuity. One of them ordered only soda and needed to pay only $1.15. The
other 6 friends ordered the same daily special.
How much did each of the other friends need to pay?
$0
1329330
X
5
Answer:
$5.86
Step-by-step explanation:
The total was $36.31
We were given the price of 1, which was $1.15
$36.31-$1.15 = $35.16 remaining
Since the other 6 friends ordered the same meal, they would have paid the same price, so we would divide by 6
$35.16/6 = $5.86
Any assistance please
Check the picture below.
Julie bought 5 books at the bookstore for $8 each. The tax was 7%. How much was the tax on her purchase?
The answers please fast I’ll give points
Answer:
1.
x = 5√3
y = 10
2.
x = 2√33 in.
3.
y = 11√3
x = 22
4.
x = 7√2
5.
x = 3 m
6.
x = 16
y = 16√3
Step-by-step explanation:
Recall:
30-60-90 triangle ratio of sides: 1 : √3 : 2
45-45-90 triangle ratio of sides: 1 : 1 : √2
Pythagorean theorem: a² + b² = c²
1.
1 : √3 : 2
5 : x : y
1/5 = √3/x
x = 5√3
1/5 = 2/y
y = 10
2.
a² + b² = c²
8² + x² = 14²
64 + x² = 196
x² = 132
x = 2√33 in.
3.
1 : √3 : 2
11 : y : x
1/11 = √3/y
y = 11√3
1/11 = 2/x
x = 22
4.
1 : 1 : √2
7 : 7 : x
1/7 = √2/x
x = 7√2
5.
a² + b² = c²
x² + 4² = 5²
x² + 16 = 25
x² = 9
x = 3 m
6.
1 : √3 : 2
x : y : 32
1/x = 2/32
2x = 32
x = 16
√3/y = 2/32
√3/y = 1/16
y = 16√3
The lines shown below are perpendicular. If the green line has a slope of
2
-3, what is the slope of the red line?
3'
-5
10+
1
-10-
5
10
++
15
OA 3/2
O B. 3
O C. - 13/
D. -13/1
OD.
The cost of producing X units of a product is 1.25. Per unit plus $1000 in flat production cost. If you spend $3000 on production cost, how many units were produced?
1600 units were produced , If you spend $3000 on production cost.
What is multiplication?In mathematics, multiplication is a method of finding the product of two or more numbers. It is one of the basic arithmetic operations, that we use in everyday life.
here, we have,
The cost of producing X units of a product is 1.25. Per unit plus $1000 in flat production cost.
If you spend $3000 on production cost.
let, x units were produced.
so, we get,
1.25x+1000 = 3000
1.25x= 2000
x= 1600
Hence, 1600 units were produced , If you spend $3000 on production cost.
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If the angle measures can form a triangle, write the original value for the first angle in the box. ° , 5312°, 9434°Tell whether a triangle can have the given angle measures.
Yes, the triangle can have the angle measures 31[tex]\frac{3}{4}[/tex]°, 53[tex]\frac{1}{2}[/tex]°, 94[tex]\frac{3}{4}[/tex]°.
And the first angle is 31[tex]\frac{3}{4}[/tex]°.
What is an angle measure?When two lines or rays intersect at a single point, an angle is created. The vertex is the term for the shared point. An angle measure in geometry is the length of the angle created by two rays or arms meeting at a common vertex.
Given:
The angle measures of the triangle,
= x, 53[tex]\frac{1}{2}[/tex]°, 94[tex]\frac{3}{4}[/tex]°
The angle measure of x = 180 - 53[tex]\frac{1}{2}[/tex]° - 94[tex]\frac{3}{4}[/tex]°
x = 31[tex]\frac{3}{4}[/tex]°
And, yes, the triangle can have the angle measures 31[tex]\frac{3}{4}[/tex]°, 53[tex]\frac{1}{2}[/tex]°, 94[tex]\frac{3}{4}[/tex]°.
Therefore, the first angle is 31[tex]\frac{3}{4}[/tex]°.
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The two figures are similar. Find the ratios (red to blue) of the perimeters and of the areas. Write the ratios as fractions in simplest form.
The values of the ratios of the perimeters and areas of the red figure to the blue figure, which are similar figures, in the simplest form are:
The ratio of their perimeters: 28/16
The ratio of their areas: (28)²/(16)²
What is the ratio?
A ratio is a relationship between two things when it is expressed in numbers or amounts.
The ratio of the perimeter of similar figures = a side length of one figure / corresponding side length of the other figure
The ratio of the areas of two similar figures = square of the length of one figure/square of the corresponding length of the other
Thus:
The side length of Red-figure = 28
The side length of the Blue figure = 16
Therefore:
The ratio of their perimeter = Side length of the red figure / Side length of the blue figure
The ratio of the perimeter of the red figure to the blue figure = 28/16
The ratio of their areas = Side length of the red figure / Side length of the blue figure
The ratio of the areas of the red figure to the blue figure = (28)²/(16)²
Hence, The values of the ratios of the perimeters and areas of the red figure to the blue figure, which are similar figures, in the simplest form are:
The ratio of their perimeters: 28/16
The ratio of their areas: (28)²/(16)²
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Square root for this problem
The lateral height of a cone is 8 inches and the area of the base of the cone is 49π in². It requires 2.5 minutes to paint the cone.
The area of the base is doubled.
How long will it take to paint this cone if it can be painted at the same rate? Use π≈3.14.
Enter your answer, rounded to the nearest tenth, in the box.
It will take 5 minutes to paint this cone
How long will it take to paint this cone if it can be painted at the same rate?Since the area of the base of the cone is doubled, the new base area becomes 2 * 49π in² = 98π in².
The radius of the original cone can be found by using the formula for the area of a circle:
49π = πr^2
r = 7 in
The height of the new cone can be calculated using the same lateral height as the original cone:
h = 8 in
Using the formula for the volume of a cone, we can calculate the volume of the new cone:
V = (1/3)πr^2h = (1/3)π(7^2)(8) = (1/3)π(392)
The surface area of the original cone can be found using the formula for the surface area of a cone:
A = πr^2 + πrs
where s is the slant height of the cone.
s = √(r^2 + h^2) = √(7^2 + 8^2) = √(49 + 64) = √(113)
So, we have
A = πr^2 + πrs = π(7^2) + π(7)(√(113)) = 49π + 7π(√(113))
The surface area of the new cone can be found using the same formula:
A = πr^2 + πrs = π(7^2 * 2^2) + π(7 * 2)(√(113)) = 98π + 14π(√(113))
When the equations are compared, we have
2 * 49π + 7π(√(113)) = 98π + 14π(√(113))
Since the new cone has twice the surface area of the original cone and can be painted at the same rate,
It will take 2.5 * 2 = 5 minutes to paint this cone.
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Answer:
Step-by-step explanation:
I took the test the answer is 4.2
Select the correct answer. Consider functions f and g. The picture shows a one-to-one function diagram. x has values of 1, 2, 3, and 4, and g of x has values of 0, 1, 4, and 9. Every x value has a relation in g of x values. What is the value of ? A. B. C. D.
The value of the function f(g(4)) is C) 4.
The diagram shows that f(1) = 0, f(2) = 1, f(3) = 4, and f(4) = 9. Therefore, the value of f(g(4)) is equal to f(9) = 4.
The other options are incorrect. Option A is incorrect because f(0) is not defined. Option B is incorrect because f(4) is not equal to 0. Option D is incorrect because f(1) is not equal to 9.
Here is the solution in steps:
The diagram shows that f(1) = 0, f(2) = 1, f(3) = 4, and f(4) = 9.
Therefore, the value of f(g(4)) is equal to f(9) = 4.
The other options are incorrect. Option A is incorrect because f(0) is not defined. Option B is incorrect because f(4) is not equal to 0. Option D is incorrect because f(1) is not equal to 9.
Therefore, the answer is C. 4.
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Write an inequality and graph the solutions.
Dion is buying a balloon bouquet. His favorite colors are silver and purple. Silver balloons cost $1.00 and purple balloons cost $0.80. How many of each color of balloons can dion put in his bouquet if he doesn't spend more than $20?
Please answer this question I have about 13 minutes left to tun this in.
The inequality and graph of the solutions will be x + 0.80y ≤ 20 and any value on the line or 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.
Dion is buying a balloon bouquet. His favorite colors are silver and purple. Silver balloons cost $1.00 and purple balloons cost $0.80.
Let 'x' be the number of silver balloons and 'y' be the number of purple balloons. And if he doesn't spend more than $20. Then the inequality is given as,
$1 x + $0.80 y ≤ $20
x + 0.80y ≤ 20
Take any value on the line or below.
The inequality and graph of the solutions will be x + 0.80y ≤ 20 and any value on the line or below.
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........................ .
Answer:VROOOOOOM
Step-by-step explanation:
E E E EE
Answer:
...............
Step-by-step explanation: