Answer:
It mostly depends on the question
Step-by-step explanation:
31a. surge protectors if two surge protectors are arranged in series, what is the probability that a voltage surge will not damage the television?
The probability that a voltage surge will not damage the television when two surge protectors are arranged in series is 0.99 × 0.99 = 0.9801.
When two surge protectors are arranged in series, the probability that a voltage surge will not damage the television is the product of the probabilities that each individual surge protector will not fail. In this case, the probability that a surge protector will not fail is 0.99 (or 99%). Therefore, the probability that a voltage surge will not damage the television is 0.99 × 0.99 = 0.9801. This means that there is a 98.01% chance that the television will not be damaged by a voltage surge when two surge protectors are arranged in series.
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which inequality has a solid boundary line when graphed?
Answer:
4th option
Step-by-step explanation:
An inequality using > or < has a broken boundary when graphed.
An inequality using ≥ or ≤ has a solid boundary when graphed
Then y ≥ 9x + 9 has a solid boundary
After Luca took his dogs for a walk, he gave them 6 dog treats. When Luca's dad got home from work, he gave the dogs t more treats. All together that day, Luca's dogs got 10 dog treats. Write an equation to describe this situation. How many dog treats did Luca's dad give the dogs?
Answer:
6 + t= 10
4 dog treats
Step-by-step explanation:
Luca took his dogs out for a walk.
He gave his dogs 6 dog treats.
Luca's dad came back home that same day and gave the dogs "t" more treats
This means "t" more treats added to the initial 6 treats.
6 + t
All together that same day, Luca's dogs got a total of 10 treats
6 + t = 10
Hence the equation to describe this situation can be written as 6 + t= 10
The number of treats that Luca's dad gave to the dogs can be calculated as follows
6 + t= 10
t = 10-6
t= 4
Hence the number of treats that Luca's dad gave to the dogs is 4 treats
Please help!
Thank you!
20 points possible
Answer:
c hope it helps
plz mark me as brainliest
Step-by-step explanation:
Jane has 27 cats , max has 6, Jasmine has 98 how many altogether?
Hello~
All you have too do is add!
27+6+98=
Simplify
27+6=33
Add again
33+98= 131
So its 131!
Ary~
IM BEGGING I HAVE 13 OVERDUE ....
y = -x+4
y=x-2
Lets sub in for x:
y = x - 2
y + 2 = x
So lets take our second equation:
y = -(y+2)+4
y = -y - 2 + 4
2y = 2
y = 1
Now look at the second equation and sub in 1 for y:
1 = x - 2
1 + 2 = x
3 = x
This gives us A) (3,1)
Lets double check with the first equation:
1 = -3 + 4
This is right!
I hope this helps! :)
Answer:
First option: (3,1)
(The graph is attached above btw⤴⤴⤴)
Step-by-step explanation:
The solution is the point in which the two lines cross each other on a graph. So you can graph both lines, keeping in mind their slopes and y-intercepts, and see where they cross paths, exactly.
In this case, these lines cross at (3,1).
Hope this helps :)
PLEASE HELP 20 POINTS
Classify each graph as either linear or non-linear.
Answer:
The first, second, and fourth graphs are linear. The third graph is nonlinear.
Step-by-step explanation:
A linear graph is a graph that forms a straight line. A linear graph is a graph that curves or bends.
Add the sum of (−5.4) and 8.2 to the opposite of (−2 3/4 ).
Answer:2
Step-by-step explanation:
-5.4+8.2=14/5 and then opposite of -2 3/4 is 2.
A significance test about a proportion is conducted using a significance level of 0.05. The sample statistic is 0.12. The p-value is 0.03? a) If H0 were true, for what probability of a Type I error was the test designed?
b) What conclusion (reject or fail to reject) would you make for this test?
c) If this test resulted in a decision error, what type of error was it?
Answer: 28282
Step-by-step explanation:
I think
What is a possible absolute value inequality to represent -1
Answer:
1
Step-by-step explanation:
I believe the answer is one but I'm not 100% sure
Slope is the same as the
difference in x values
Rate of change
x-intercept
y-intercept
Slope is same as the rate of change. So, option b is correct.
What is meant by slope?In mathematics, a line's slope or gradient is a number that specifies both its direction and its steepness.
The slope of a line is found by dividing the "vertical change" by the "horizontal change" between (any) two distinct places on the line. The ratio is sometimes stated as a quotient ("rise over run"), yielding the same value each time.
The slope and y-intercept values represent relationship qualities between the two variables x and y.
The slope is the rate at which y changes for every unit change in x. When the x-value is zero, the y-intercept indicates the y-value.
The slope, the rise over run, or the change in over the change in is the rate of change for a line. The slope of a graph can be computed using two points in a table or the slope triangle in a graph.
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Helpppppp............
Answer:
i think it is a or c i hope that helps a little
Answer:
Answer is B, V = π(7)² · 20
Step-by-step explanation:
the formula for a cylinder is V = πr²h
So, from here you just plug in numbers.
but for "r" you need to take 14 and divide it by 2 since it is in the form of a diameter which is different to a radius or "r".
14/2 = 7
Now, you can plug in numbers,
V = π(7)² · 20
You can buy 5 stickers for $3. Using this rate, what is the cost for 12 stickers? $6.15 $6.60 $7.02 $7.20
Answer:
$7.20
Step-by-step explanation:
3/5=0.6
0.6*12=7.20
Answer:
$7.20
Step-by-step explanation:
3/5= .60
.60 cents per sticker
.60 * 12 stickers =$7.20
the number $345{,}600$ can be expressed as $6^a5^b4^c$ for integers $a$, $b$ and $c.$ what is the value of the product $abc?$
The value of the product \($abc = 1 * 3 * 1 = 3$\).
To express the number \($345{,}600$\) as a product of powers of prime numbers, we first need to find the prime factorization of the given number.
\($345{,}600 = 2^3 * 3 * 5^3 * 23$\)
Now we need to rewrite the given expression \($6^a5^b4^c$\) in terms of prime numbers:
\($6^a5^b4^c = (2 * 3)^a * 5^b * (2^2)^c = 2^{a+2c} * 3^a * 5^b$\)
By comparing the exponents of the prime factorization of \($345{,}600$\) with the rewritten expression, we can determine the values of \($a$\), \($b$\), and \($c$\):
\(a+2c=3$, \\$a=1$, \\and $b=3$\)
Solving for \($c$\), we get:
\($c = (3 - a) / 2 = (3 - 1) / 2 = 1$\)
Now we have \(a=1$, $b=3$, and $c=1$\). The product \($abc = 1 * 3 * 1 = 3$\).
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Type in the missing values to complete the simplified form of the expression 4x-4+3y+ 6-2x+3y.
__ x +__ y + __
Answer:
2x+6y+2
Step-by-step explanation:
please help this is 244 points of my grade I've already tried -4/3 on the one equation and it didn't work and I know slope formula but for some reason I'm struggling just please help I need answers if you answers you get 14 point but please give me the right answer's
Answer:
First Picture: Slope = 1
Second Picture: y= -3/2x - 3
Third Picture: Connor's rate of change is 10. Pilar's rate of change is 8.
Step-by-step explanation:
Find an equation in point-slope form for the line having the slope m = 4 and containing the point (7,4).
Answer:
y=4x - 24
Step-by-step explanation:
yeah-ya..... right?
What is the diffrent between statistical significance and practical significance
The concept of statistical significance is mathematically defined and widely accepted by those who use it to assess the usefulness of scientific claims.
However, there is no single definition for practical significance. It is subjective in nature, experiential, and each person decides what it is based on their own experiences.
Thus, it is clear that while Practical significance lacks a common definition, statistical significance has a mathematical definition and is widely accepted by those who use it to assess the usefulness of scientific claims. It is a subjective concept that each person decides for themselves based on their personal experiences.
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Please help me I’ll make u brainliest I swear please
Since the provided equation is inconsistent, it cannot intersect.
What is equation?The definition of an equation in algebra is a mathematical statement that demonstrates the equality of two mathematical expressions. For instance, the equation 3x + 5 = 14 consists of the two equations 3x + 5 and 14, which are separated by the 'equal' sign. A mathematical statement known as an equation is made up of two expressions joined together by the equal sign. A formula would be 3x - 5 = 16, for instance. When this equation is solved, we discover that the value of the variable x is 7.
Here,
we can see that the second set of equation,
4x+2y=12
20x+10y=30
4/20=2/10≠12/30
1/5=1/5≠2/5
The given equation is inconsistent so it does not intersect.
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whats the slope of the line that passes through ( 10,8) and (1,9).
Answer:
See below.
Step-by-step explanation:
The formula for slope is y²-y¹/x²-x¹.
9-8/1-10
1/-9, or -1/9.
-hope it helps
Liz flips a coin 30 times. The coin lands heads up 21 times and tails up 9 times. Complete each
statement.
Answer:
\(Pr = 0.50\)
Step-by-step explanation:
Given
\(n = 30\)
\(H = 21\)
\(T = 9\)
See attachment for complete question
Required
\(P(H)\)
The question requires that we calculate the theoretical probability of landing on the head.
This means that, we have to ignore the given data, and we use the following
\(S =\{H,T\}\) --- sample space
\(n(S) = 2\) --- sample size
\(n(H) = 1\) --- occurrence of Head
So, the theoretical probability is:
\(Pr = n(H)/n(S)\)
\(Pr = 1/2\)
\(Pr = 0.50\)
If P left parenthesis x right parenthesis equals x to the power of 7 plus x to the power of 5 plus x plus 1, what is the corresponding hexadecimal representation
0 x a3 the corresponding hexadecimal representation of the equation.
The correct option is D.
What is hexadecimal representation?Numbers are represented using a radix of 16 in the positional numeral system known as hexadecimal.
Base-16 is the base of the hexadecimal number system. The use of fewer digits allows for the representation of huge quantities. A, B, C, D, E, and F are the first six alphabetic characters in this system, which consists of 16 symbols or possible digit values from 0 to 9.
What is polynomial ?
Using just the operations of addition, subtraction, multiplication, and non-negative integer exponentiation of variables, a polynomial is an expression made up of coefficients and indeterminates. The polynomial x2 4x + 7 is an illustration of one with a single indeterminate x.
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I understand that the question you are looking for is :
if p(x) = (x^7)+(x^5)+(x+1) what is the corresponding hexadecimal representation.
A. Oxe5
B. Oxae
C. Oxe3
D. Oxa3
11) Which measurement(s) would help determine absolute dates by radiometric means?
A) the accumulation of the daughter isotope
B) the loss of parent isotopes
C) the loss of daughter isotopes
D) Three of the responses above are correct.
E) Two of the responses above are correct.
The correct answer is E) Two of the responses above are correct:
The measurement(s) that would help determine absolute dates by radiometric means are the accumulation of the daughter isotope and the loss of parent isotopes. These two measurements are crucial in radiometric dating methods, which rely on the decay of radioactive isotopes in rocks and minerals over time.
In radiometric dating, scientists measure the ratio of parent isotopes to daughter isotopes in a sample. The parent isotopes decay at a known rate, converting into daughter isotopes. By determining the amount of parent isotope that has decayed and the accumulation of daughter isotope, scientists can calculate the age of the sample.
For example, if a rock sample contains a radioactive isotope with a half-life of 1 million years, and 75% of the parent isotope has decayed into the daughter isotope, it can be inferred that the rock is approximately 2 million years old (since two half-lives have passed).
Therefore, the correct answer is E) Two of the responses above are correct: the accumulation of the daughter isotope and the loss of parent isotopes are measurements that help determine absolute dates by radiometric means.
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what is wrong with the following statement: boolean y = 12.5;
Answer:
we can not assign a floating-point number to a boolean variable
Step-by-step explanation:
The statement "boolean y = 12.5;" is incorrect or "wrong" because it is attempting to assign a floating-point value (12.5) to a boolean data type, which is a type of data that can only represent two values: true or false.
A boolean data type is a fundamental data type in programming and is commonly used in logic and decision-making structures. It is used to represent conditions that are either true or false, and can be used to control program flow, make decisions, and perform logical operations.
In the statement "boolean y = 12.5;", the value 12.5 is a floating-point value, which is a type of data that represents a decimal number with a fractional component. However, a boolean data type is not capable of representing such values, and can only represent two states: true or false.
In programming, attempting to assign a value of the wrong data type to a variable is known as a "type error" or a "type mismatch." Type errors can cause programs to fail, produce unexpected results, or behave in unintended ways.
To fix the statement "boolean y = 12.5;", the data type of the variable "y" should be changed to a data type that can represent decimal values, such as a floating-point data type like "double" or "float." Alternatively, if the intent of the statement was to assign a boolean value to the variable, the value of 12.5 should be replaced with a boolean expression that evaluates to either true or false.
In summary, the statement "boolean y = 12.5;" is incorrect or "wrong" because it attempts to assign a floating-point value to a boolean data type, which is not a valid data type for the value being assigned. Type errors like this can cause programs to fail, produce unexpected results, or behave in unintended ways, and must be corrected to ensure proper program operation.
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The figure shows two perpendicular lines s and r, intersecting at point Pin the interior of a trapezoid. Line ris parallel to the bases and bisects both legs of the trapezoid. Line s bisects both bases of the trapezoid. РWhich transformation will always carry the figure onto itself? a) A rotation of 270° clockwise about point P b) A reflection across liner c) A reflection across liner d) A rotation of 180° clockwise about point P e) A rotation of 90° clockwise about point P f) A reflection across line s
A reflection of across line s is correct
The correct option is (b)
"Information available from the question"
The figure shows two perpendicular lines s and r, intersecting at point Pin the interior of a trapezoid.
Line r is parallel to the bases and bisects both legs of the trapezoid. Line s bisects both bases of the trapezoid.
Analysis the figure:
Since s is a line of symmetry
(x, y) = (-x, y)
r is not a line of symmetry
∴ (x, y) ≠ (x, -y)
(a) Across line r
(x, y) = (x, -y)
This is incorrect
(b)Reflection across line s
(x ,y) = (-x, y)
This is correct
(c) Rotation of 90° clockwise
(x, y) = (y ,-x)
This is incorrect
(d) Rotation of 180° clockwise
(x, y) = (-x, -y)
This is incorrect
(e) Rotation of 270° clockwise
(x, y) = (y ,-x)
This is incorrect.
Hence, A reflection of across line s is correct.
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Find each angle measure to the nearest tenth of a degree.
tan⁻¹0.4569
The angle measure tan⁻¹0.4569 is 24.6°, rounded to the nearest tenth of a degree. To find the angle measure, we can first use the inverse tangent function to solve for the angle θ such that tanθ = 0.4569. This gives us θ = tan⁻¹0.4569.
We can then use a calculator to evaluate this expression. The calculator will return a value of 24.559°. Rounding this value to the nearest tenth of a degree, we get 24.6°.
Therefore, the angle measure tan⁻¹0.4569 is 24.6°, rounded to the nearest tenth of a degree.
The inverse tangent function is a function that takes a number as an input and returns the angle whose tangent is that number. In other words, if θ is the angle whose tangent is 0.4569, then tanθ = 0.4569.
We can use the inverse tangent function to solve for θ by evaluating the following expression:
tan⁻¹0.4569
This expression will return the angle θ whose tangent is 0.4569.
We can then use a calculator to evaluate this expression. The calculator will return a value of 24.559°. Rounding this value to the nearest tenth of a degree, we get 24.6°.
Therefore, the angle measure tan⁻¹0.4569 is 24.6°, rounded to the nearest tenth of a degree.
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the amount of distilled water dispensed by a machine is normally distributed with mean 64 oz and standard deviation 0.78 oz. what container size c will ensure that overflow occurs only 0.5% of the time?
A container size of at least 66.03 ounces will ensure that overflow occurs only 0.5% of the time.
To make sure overflow occurs only 0.5% of the time, we would have to find the container of size "c" such that the amount of distilled water dispensed by the machine does not exceed c with a probability of 0.995 (or 1-0.005).
Let X be the amount of distilled water dispensed by the machine. Then X ~ N(64, 0.78^2).
We want to find c such that P(X ≤ c) = 0.995.
We can standardize X to a standard normal distribution:
Z = (X - μ) / σ
Z = (c - 64) / 0.78
Then we can find the value of Z such that P(Z ≤ z) = 0.995, where z is the z-score associated with the 0.995 percentile of the standard normal distribution.
Using a standard normal distribution table or a calculator, we can find that z ≈ 2.576.
Therefore, 2.576 = (c - 64) / 0.78. Solving for c, we get:
c = 64 + 2.576 * 0.78 ≈ 66.03
So a container size of at least 66.03 ounces will ensure that overflow occurs only 0.5% of the time.
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Which rule can be used to describe the x-coordinates in the translation below?. on a coordinate plane, triangle a b c is shifted 6 units up. x 0 x 6 x – 6 x 2
The rule that can be used to describe the x-coordinates in the translation is (x+6).
What is a translation?A translation is a sort of transformation that moves each point in a figure in the same direction by the same amount of distance.
We know that the coordinate is moving up, therefore, the coordinate of x will be increasing by 6 units.
Hence, the rule that can be used to describe the x-coordinates in the translation is (x+6).
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Answer:
x + 6
Step-by-step explanation:
On her first three geometry test, Sarah scored 89, 93, and 84. If there are four tests total and Sarah needs at least a 90 average for the first four test, what is the lowest score she can receive on the final test?
86
94
92
90
95
Answer:
94
Step-by-step explanation:
If you add them all together, you get 266. You subtract that from 90*4= 360
you get 94
An online music company charges $15 per CD plus a flat fee of $4 per
order for downloading. Which equation best describes the relationship
between the total cost of an order (C) and the number of CDs that are
Ordered (x)
Answer:
Step-by-step explanation:
5