Answer:
the answer is 90%, 90% of 30 is 27
a testable prediction of what will happen under a specific set of conditions is known as a/an
A testable prediction of what will happen under a specific set of conditions is known as a hypothesis.
A hypothesis is a tentative explanation or prediction about a phenomenon or relationship between variables, based on limited evidence or prior knowledge. It is often formulated as a statement that can be tested through research or experimentation.
A hypothesis typically includes an independent variable (the variable that is being manipulated or studied) and a dependent variable (the variable that is being measured or observed). The hypothesis also includes a prediction about how the independent variable will affect the dependent variable.
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if all things work together for good, one should not regret the occurrence of tragic events. one should regret the occurrence of tragic events. therefore, all things do not work together for good.
The argument presented in the statement is not valid. It is based on an incorrect premise. The original statement posits that if all things work together for good, one should not regret the occurrence of tragic events.
This statement is incorrect because the occurrence of tragic events can never be seen as a good thing, irrespective of the outcome. Therefore, the argument is unsound, and it cannot be used to prove the point that all things do not work together for good.
The occurrence of tragic events can never be seen as a good thing. While it is true that some good can come out of tragic events, such as a sense of community, unity, and strength, it does not negate the pain and suffering caused by the event.
Thus, the conclusion drawn from the argument, that all things do not work together for good, cannot be justified based on the premise presented in the statement. In conclusion, the argument presented in the statement is based on an incorrect premise and is, therefore, invalid.
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I'LL MARK AS BRAINIEST !!! please hurry !!!
Which expression is equivalent to cos 16°?
A. sin 164°
C. sin 84°
B. sin 16°
D. sin 74°
Answer: my answer for dat will be sin 16 degrees
Step-by-step explanation:
A line has a slope of - Which ordered pairs could be points on a parallel line? Select two options.
(-8, 8) and (2, 2)
(-5, -1) and (0, 2)
(-3, 6) and (6,-9)
(-2, 1) and (3,-2)
(0, 2) and (5, 5)
The ordered pairs that could be points on a parallel line are:
(-8, 8) and (2, 2)
(-2, 1) and (3, -2)
Which ordered pairs could be points on a parallel line?Parallel lines have the same slope. Thus, we have to find ordered pairs with a slope of -3/5.
We have:
slope of the line is -3/5.
Thus, m = -3/5
Formula for slope between two coordinates is;
m = (y₂ - y₁)/(x₂ - x₁)
A) At (–8, 8) and (2, 2);
m = (2 - 8)/(2 - (-8))
m = -6/10
m = -3/5
B) At (–5, –1) and (0, 2);
m = (2 - (-1))/(0 - (-5))
m = 3/5
C) At (–3, 6) and (6, –9);
m = (-9 - 6)/(6 - (-3))
m = -15/9
m = -5/3
D) At (–2, 1) and (3, –2);
m = (-2 - 1)/(3 - (-2))
m = -3/5
E) At (0, 2) and (5, 5);
m = (5 - 2)/(5 - 0)
m = 3/5
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What is 2 2/3 - 1/3 ?
Convert the mixed numbers to improper fractions, then find the LCD and combine.
Exact Form:
7/3
Decimal Form:
2.¯3
Mixed Number Form:
2/1/3
Answer:
7/3 or 2 1/3
Step-by-step explanation:
2 2/3 - 1/3 -- make 2 2/3 an improper fraction
8/3 - 1/3 -- then subtract
7/3 -- simplify if needed
2 1/3
Hope this helped :)
Amy earned $25 after babysitting for 3 hours if amy always charges the same rate,how much will she make after babysitting for 7 hours
what is the volume of the parallelepiped with sides i, 8j − k, and 9i + 7j − k?
The volume of a parallelepiped is a scalar quantity that represents the amount of space enclosed by its sides. In this case, the volume is given as 1,
To find the volume of a parallelepiped, we can use the scalar triple product of the vectors representing its sides. In this case, the sides of the parallelepiped are given by the vectors i, 8j - k, and 9i + 7j - k.
Using the scalar triple product formula, the volume V is given by:
V = |i ⋅ (8j - k) × (9i + 7j - k)|
Expanding the expression, we have:
V = |i ⋅ (8j - k) × (9i + 7j - k)|
= |(8i ⋅ (9i + 7j - k)) - ((8j - k) ⋅ (9i + 7j - k))|
Simplifying further:
V = |(72i ⋅ i) + (56i ⋅ j) - (8i ⋅ k) - (72j ⋅ j) + (8j ⋅ k) - (k ⋅ k)|
= |72 + 0 - 0 - 72 + 0 - 1|
= | -1 |
Therefore, the volume of the parallelepiped is 1.
it means that the parallelepiped has a volume of 1 unit. It is important to note that the volume of a parallelepiped can be negative if the orientation of the sides is such that they form a left-handed coordinate system. In this case, the volume is positive, indicating a right-handed coordinate system.
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Let f(x) and g(x) be continuous functions such that f′(x)=3g(x).f(0)=1 and f(1)=−1. Evaluate the following definite integral showing all steps: ∫01g(x)2f(x)dx
To evaluate the definite integral ∫₀¹ g(x)²f(x) dx, we use integration by parts and the given relationship between f'(x) and g(x). The result is [1/3g(x)³f(x)] from 0 to 1, which simplifies to (1/3)[g(1)³f(1) - g(0)³f(0)].
We are given f'(x) = 3g(x), which implies that f(x) = ∫ 3g(x) dx. Using integration by parts, we can rewrite the integral as ∫ g(x)²f(x) dx = ∫ g(x)²(∫ 3g(x) dx) dx. By reversing the order of integration, we have ∫ ∫ g(x)²(3g(x)) dx dx = ∫ ∫ 3g(x)³ dx .
Applying the fundamental theorem of calculus, we can evaluate the integral of g(x)³ with respect to x. The inner integral ∫ 3g(x)³ dx becomes [g(x)³/3] evaluated from 0 to 1. Thus, we have ∫ 3g(x)³ dx = [g(1)³/3 - g(0)³/3].
Finally, we substitute the limits of integration into the expression and simplify: [g(1)³/3 - g(0)³/3] = (1/3)[g(1)³ - g(0)³]. Since f(0) = 1 and f(1) = -1, and we know f'(x) = 3g(x), we can substitute f(0) and f(1) to obtain (1/3)[g(1)³ - g(0)³] = (1/3)[(-1)³ - (1)³] = (1/3)(-1 - 1) = -2/3.
Therefore, the value of the definite integral ∫₀¹ g(x)²f(x) dx is -2/3.
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 7a) Determine the measure of the missing angle.
The measure of the missing angles are
x = 135°
y = 45°
What is a octagon?An Octagon is a polygon that has eight sides
To calculate the measure of the missing angle in the octagon, we use the formula below
Formula:
x = (n-2)180/8..............................Equation 1Where:
x = Interior angle of the octagonn = Number of sidesFrom the diagram,
n = 8 sidesSubstitute these values into equation 1
x = (8-2)180/8x = 135°Also,
x+y = 180y = 180-x.................... Equation 2Substitute the value sof x into equation 2
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The radius of a circle is 6 inches. What is the circle's circumference?
Use 3.14 for .
Answer:
37.68 inches
Step-by-step explanation:
The equation for the circumference of the circle is:
\(C=2\pi r\)
We can substitute 6 in for "r" and 3.14 for "π":
\(C=2(3.14)(6\ in)\\C=12\ in(3.14)\\C=37.68\ in^\)
the pearson product moment correlation measures the linear relationship between two interval- and/or ratio-scaled variables (scale variables) such as those depicted conceptually by scatter diagrams. true false
the Pearson product moment correlation measures the linear relationship between two interval- and/or ratio-scaled variables (scale variables) such as those depicted conceptually by scatter diagrams: True.
What is Pearson product moment correlation?A measure of the degree and direction of relationship between two variables assessed on at least an interval scale is the Pearson product-moment correlation coefficient, or Pearson's correlation.
If you want to determine whether there is a linear relationship between two quantitative variables, you may use Pearson's correlation. The expectation of a linear relationship between those variables is the sole part of the study hypothesis.
This approach finds the precise amount or degree of correlation between any two variables and tells if there is or is not any correlation between them.
Thus, the given statement is true.
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ms walker order 3 donuts and 1 bottle of milk. the total cost was $6.50. if the bottle of milk cost $1.50, write an equation to represent this situation.
Answer:
$5.00
Step-by-step explanation:
6.50-1.50=5
or
1.50+5=6.50
where each donut is about $1.67
Simplify the polynomial and evaluate for the following values. x^2 yxy-xy^2xy if x=-3 and y=2 the simplified polynomial is = , The value is
Answer:
The simplified polynomial is x^3 y^2 -x^2 y^3 +xy
The value is -186
Step-by-step explanation:
The value of given polynomial for given x and y value is -180.
What is the polynomial?A polynomial is a type of algebraic expression in which the exponents of all variables should be a whole number. The exponents of the variables in any polynomial have to be a non-negative integer. A polynomial comprises constants and variables, but we cannot perform division operations by a variable in polynomials.
The given polynomial is x²yxy-xy²xy.
Here, x=-3 and y=2
Now, (-3)²×2×(-3)×2-(-3)×2²×(-3)×2
= -108-72
= -180
Therefore, the value of given polynomial is -180.
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10. for which type of risk do you get rewarded with a higher expected return? a. systematic risk b. firm-specific risk c. diversifiable risk d. idiosyncratic risk
Systematic risk is the type of risk for which you can be rewarded with a higher expected return.
So, the correct answer is A
Systematic risk, also known as market risk or non-diversifiable risk, affects the entire market and cannot be eliminated through diversification.
Investors are compensated for taking on systematic risk through higher expected returns as they bear the fluctuations and uncertainties associated with the overall market.
In contrast, firm-specific, diversifiable, and idiosyncratic risks are specific to individual companies or industries and can be mitigated through diversification in an investment portfolio, so investors don't get rewarded with higher expected returns for these types of risks
Hence, the answer of the question is A.
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number of learners in a class of 45 if x are absent
Answer:
45 - x
Step-by-step explanation:
Number of learners is number in class minus those absent , that is
number of learners = 45 - x
I. Write the answer with the proper label. ( 2 pts each)
Calculate the distance .
30 minutes at 120 km/h
2 ½ hours at 70 miles/h
B. Calculate the speed.
A car travels 500 km in 6 hours, find the average speed.
A man ran for 10 km in 1.25 hours, what was his average speed?
C. Calculate the time.
210 kilometers at 120 km/h
90 miles at 60 miles/h
II. Identify what is missing then solve. Do not forget to label your answer. (4 pts)
Every Friday after work, Mark travels from Bulacan to Santa Rosa to visit his family. The trip takes 4.2 hours at an average speed of 65 km/h. How many kilometers does he travel from Bulacan to Santa Rosa?
Katrina drove 325km in 5 hours while Martha drove a total of 210 km in 3 hours. Who drove faster? By how much?
with a solution
What is the slope of a line perpendicular to the line whose equation is 9x-6y=36
Answer: -2/3
Step-by-step explanation:
for a certain art exhibit, a museum sold admission tickets to groups of 30 people every 5 minutes from 9:00 in the morning to 5:55 in the afternoon, inclusive. the price of a regular admission ticket was $10 and the price of a student ticket was $6. if on one day 3 times as many regular admission tickets were sold as student tickets, what was the total revenue from ticket sales that day?
Using Algebra operation,
the total revenue from ticket sales on that day is $ 3444..
We have given the following information,
timing of museum for entry is 9:00 am to 5:55pm. i.e 8 hours 55 minutes .
price of ticket for a regular admission= $10
price of ticket for a student admission = $6
30 people's admission in every 5 minutes so,
inclusive there are 9×12=108 five-minute intervals, total of tickets were sold = 108× 30
= 3240
let x student and 3x regular tickets were sold on that day.
then, x+3x= 108× 30 –> x= 3240/4 = 810
put x= 7560 in above formula, for regular admission, 3x=3× 81 = 243
So, the total revenue from ticket sales that day was 243×$10 + 810×$6 = $2430 + $4860
= $7290
Hence, total revenue from tickect sales is $7290.
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If you were to pull colored marbles out of the bag (one at a time, and putting the marble back each time) for 500 tries, approximately how many times would you select a red marble?
Answer:
We need to know the other marbles in the bag and how many there are of each.
The ratio of the weight of Jennifer to that of her friend Laura is 6:11. Laura goes on a diet and loses 12kg and now the ratio of their weights is 6:7. How much does Laura weigh now?
Answer:
21kg
Step-by-step explanation:
We will do this.
11x - 12 = 7x
11x - 4x = 7x
4x = 12
4x/4 = 12/4
x = 3
3 x 7 = 21
Laura weighs 21 kg.
helpppppp adappppppppppp
Answer:
MEAN = 14 (AS PER ESTIMATION)
MEDIAN = 17
Step-by-step explanation:
Mean=Sum of terms/No.of terms
Then,
→13+16+14+17+17+8+16/ = 101/7 = 14.428571....…
Given, there is a chance to estimate,Thus, The mean is 14 as per estimation.And.....Median = The middle number
= 17
ThankYouNeed Help ASAP!!!
Find the sine of G
Answer:
≈0.68
Step-by-step explanation:
with what u have u can get \(cos G^{-1}\)
so it will be equal \(\sqrt43\)/9 =43°13'49.75"
now u can get the sine
sin 43°13'49.75" ≈ 0.68
g The college hiking club is having a fund raiser to buy new equipment for fall and winter outings. The club is selling Chinese fortune cookies at a price of $3 per cookie. Each cookie contains a piece of paper with a different number written on it. A random drawing will determine which number is the winner of a dinner for two at a local Chinese restaurant. The dinner is valued at $35. Since fortune cookies are donated to the club, we can ignore the cost of the cookies. The club sold 717 cookies before the drawing. Lisa bought 31 cookies. What is the probability she will win the dinner for two
To determine the probability that Lisa will win the dinner for two, we need to compare the number of cookies she bought to the total number of cookies sold.
The total number of cookies sold is 717, and Lisa bought 31 cookies. Therefore, the probability that Lisa's cookie will be chosen as the winner depends on the ratio of the number of cookies she bought to the total number of cookies sold.
Probability = Number of Lisa's Cookies / Total Number of Cookies Sold
Probability = 31 / 717
Probability ≈ 0.0432
Therefore, the probability that Lisa will win the dinner for two is approximately 0.0432 or 4.32%.
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Which of the following is one advantage of a cooperative approach? Too many leaders cause the team to split into factions. A few people take control and refuse to listen to others’ ideas. Each member of a team plays his or her position well. In order to win, each player looks for a way to gain an advantage.
Answer:
Each member of a team plays his or her position well.
Step-by-step explanation:
This leads to everyone trying their best.
three identical very dense masses of 5600 kg each are placed on the x axis. one mass is at x = -100 cm, one is at the origin, and one is at x = 410 cm
the problem requires the calculation of the net gravitational force acting on a point P placed on the y-axis, at a distance of 360 cm from the origin and between the two outer masses. The force will be attractive and parallel to the x-axis.
Let's consider an elemental mass dm located on the x-axis at a distance x from the origin. Its mass is dm=5600 kg. The distance of P from dm is R = sqrt(x^2 + 360^2).The gravitational force acting on dm and directed towards P is dF = G(5600)(360)/R^2, where G is the gravitational constant. The horizontal components of dF cancel out in pairs, while the vertical ones add up to Fy = G(5600)(360)sin(arctan(x/360))/R^2.The sum of all the forces on P, with x ranging from -100 to 410 cm, is Fy = G(5600)(360)[sin(arctan(-1/3.6))/9 + sin(arctan(0))/36 + sin(arctan(4.1/3.6))/16] N.answer in more than 100 wordsThe numerical value of Fy is Fy = 8.65 × 10^-8 N.
Thus, three identical very dense masses of 5600 kg each placed on the x-axis, respectively at x = -100 cm, x = 0 cm, and x = 410 cm, attract a point P placed on the y-axis at a distance of 360 cm from the origin with a net gravitational force of 8.65 × 10^-8 N, directed towards the x-axis.
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The center of mass is at x= 103.33 cm
How to find the center of mass of the system?If we have N masses {m₁, m₂, ...} , each one with the position {x₁, x₂, ...}
The center of mass is at:
CM = (x₁*m₁ + x₂*m₂ + ...)/(m₁ + ...)
Here we have 3 equal masses M = 5600kg , and the positions are:
x₁ = 0cm
x₂ = -100cm
x₃ = 410cm
Then the center of mass is at:
CM = 5,600kg*(0cm - 100cm + 410cm)/(3*5,600kg)
CM = 310cm/3 = 103.33 cm
That is the center of mass.
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Complete question:
"three identical very dense masses of 5600 kg each are placed on the x axis. one mass is at x = -100 cm, one is at the origin, and one is at x = 410 cm, find the center of mass".
This section is read-only.
Find the value of h.
HINT: The answer is the password to see Question 7.
84°
48°
3h
O
The angles of a triangle all add up to 180º.
You need to set up and solve the equation:
84+48+3h = 180
Here’s the revenue and expenses for the month. Calculate whenever Mia had profit or loss.
Answer:
Profit = $200
Step-by-step explanation:
Total revenue = $9,500
Fixed expenses = $9,000
Variable expenses = $300
Total expenses = Fixed expenses + Variable expenses
= $9,000 + $300
= $9,300
Total expenses = $9,300
Profit is when revenue is greater than expenses
Loss is when revenue is less than expenses
Mia made profit because her revenue is more than her expenses
Profit = Revenue - Expenses
= $9,500 - $9,300
= $200
Profit = $200
If there are 3 feet in 1 yard, how many yards are 54 feet?
Answer:
18 yards in 3 feet
Step-by-step explanation:
54 / 3 = 18
Someone please help!
What is the mean of the data set?
17, 24, 26, 13
04
O 13
20
O 80
Answer:
so here is the answer. Hope it helps.