Answers
Answer:
I did the entire thing I attached the picture for it !! hope this helps !!
I didnt do 5 and 7 cause I forgot how to do those!!
Related Questions
Evaluate. Remember Order of
Operations! (PEMDAS)
4-(7+2)÷3= [?]
Answers
Answer: 1
Yessssssssssssssss
If you were constructing a 99% confidence interval of the population mean based on a sample of n=30 where the standard deviation of the sample S=0.05, the critical value of t will be 2.7564 2.4922 2.7969
Answers
The critical value of t for constructing a 99% confidence interval with a sample size of 30 and a sample standard deviation of 0.05 is 2.7564.
A confidence interval is a range of values within which the population parameter is estimated to lie with a certain level of confidence. In this case, we are constructing a 99% confidence interval for the population mean. The critical value of t is used to determine the width of the confidence interval.
The formula for calculating the confidence interval for the population mean is:
Confidence interval = sample mean ± (critical value) * (standard deviation of the sample / square root of the sample size)
Given that the sample size is 30 (n = 30) and the standard deviation of the sample is 0.05 (S = 0.05), we need to find the critical value of t for a 99% confidence level. The critical value of t depends on the desired confidence level and the degrees of freedom, which is equal to n - 1 in this case (30 - 1 = 29). Looking up the critical value in a t-table or using statistical software, we find that the critical value of t for a 99% confidence level with 29 degrees of freedom is approximately 2.7564.
Therefore, the 99% confidence interval for the population mean would be calculated as follows: sample mean ± (2.7564) * (0.05 / √30). The final result would be a range of values within which we can be 99% confident that the true population mean lies.
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-75x/4>14/2 I don't get this can someone help me with this?
Answers
Is this the equation ur supposed to solve because the question was a little bit messy
\( \frac{ - 75x}{4} > \frac{14}{2} \)
Answer
14 pointsMr. Escamilla has a tent that is a triangular prism. The volume of the tentis 280 cubic feet, the width of the base is 8 feet, and the length is 10 feet.What is the height of the tent?8 ft10 ftO oftO 7ft8 ftO oft
Answers
We have to put the triangular side as the base.
So, the height of the tent is signified by the red line, h.
Shown below:
The volume of the triangular prism is area of triangle x height
V = A_T x h
Let's find the area of the triangle, A_T:
\(\begin{gathered} A_T=\frac{1}{2}bh \\ A_T=\frac{1}{2}(8)(h)_{} \\ A_T=4h \end{gathered}\)The height is 10.
The volume is 280.
Substituting into the formula, let's sovle for "h". Shown below:
\(\begin{gathered} V=A_T\times h \\ 280=4h\times10 \\ 40h=280 \\ h=\frac{280}{40} \\ h=7 \end{gathered}\)Answer7 ft
Find the open interval(s) where the following function is increasing, decreasing, or constant. Express your answer in interval notation.
Answers
The open interval(s) where the following function is increasing and decreasing are respectively; (-∞, 3) and (3, ∞)
What is the increasing or decreasing interval?
From the graph, we can say that the function is increasing if as x increases, the value of y also increases. However, if the value of y decreases as x increases, then we can say that the function is decreasing.
Now, from the graph, we see that for values of x from negative infinity to 3, the value of y keeps increasing to zero.
Now, from the graph we see that for values of x from 3 to positive infinity, the values of y keep decreasing to negative infinity.
Thus, we can say the function is increasing on the interval (-∞, 3) and decreasing on the interval (3, ∞)
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mszbnxcvlhjuascv,hjaqsc,hjkas
Answers
Answer:
A
Step-by-step explanation:
A is a parabola
Not sure thoooooooooo
find the largest four-digit value of ${}t$ such that \[\sqrt{t-\sqrt{t-\sqrt{t-\sqrt{t-\cdots}}}}\]is an integer.
Answers
To find the largest four-digit value of t such that the expression is an integer, we need to set up an equation and solve for t.
Let's denote the given expression as x:
x = √(t - √(t - √(t - √(t - ...)))
To simplify the expression, we notice that the inner square root can be represented by x itself. So we can rewrite the equation as:
x = √(t - x)
Squaring both sides to eliminate the square root:
x^2 = t - x
Rearranging the equation:
x^2 + x - t = 0
To find the largest four-digit value of t, we can iterate through the values of t starting from 9999 and solve the quadratic equation for x. We are looking for a positive integer solution for x. Once we find the largest value of t that satisfies this condition, we have our answer.
By solving the quadratic equation for different values of t, the largest four-digit value of t that satisfies the condition is 9985.
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yesterday, 28 students took a test. the arithmetic mean of those 28 scores was 72 points. two students who were absent yesterday took the test this morning, and the arithmetic mean of all 30 test scores is 73 points. if the difference of the two scores from this morning is 22 points, what is the lower score from this morning?
Answers
Let's assume the sum of the scores of the 28 students who took the test yesterday is 28 * 72 = 2016.
We know that the sum of the scores of all 30 students is (28 * 72) + x + y, where x and y are the scores of the two students who took the test this morning.
We also know that the mean of all 30 scores is 73. So we can write an equation:
[(28 * 72) + x + y]/30 = 73
Multiplying both sides by 30, we get:
2016 + x + y = 2190
So, x + y = 174.
We are given that the difference of the two scores is 22, so we can write another equation:
y - x = 22
Solving these two equations simultaneously, we get y = 98 and x = 76.
Therefore, the lower score from this morning is 76.
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8) A dress normally sells for $35.85. How much does the dress cost after a 15% discount??
Answers
Answer:
$30.47
Step-by-step explanation:
100%-15%=85%
85%=0.85
$35.85*0.85=30.47 (to 2d.p)
Hope this helps
What is the equation of the line?
Answers
Answer:
3rd choice
Step-by-step explanation:
y = mx + b
Look at where the line crosses the y-axis. That is the y-intercept. It is 2, so b = 2, and you have
y = mx + 2
Now we need the slope, m.
Start at (0, 2). Go up 1 and right 2.
slope = m = rise/run = 1/2
Now you have
y = 1/2 x + 2
Answer: 3rd choice
Answer:
\(c)y=\frac{1}{2}x+2\)
Step-by-step explanation:
\(We\ know\ that,\\The\ equation\ of\ a\ graph\ is\ given\ by\ the\ formula:\\y=mx+b,\ where\ m\ is\ the\ slope\ of\ the\ graph,\ and\ b\ is\ the\ y-intercept;\\Here,\\First,\\Lets\ calculate\ the\ slope\ of\ the\ graph:\\We\ also\ know\ that,\\Slope(m)=\frac{rise}{run}=\frac{y_2-y_1}{x_2-x_1}\\Lets\ consider\ any\ two\ points\ which\ lie\ on\ the\ line:\\(2,3),(-2,1)\\Hence,\\The\ slope\ of\ the\ given\ line=\frac{1-3}{-2-2}=\frac{-2}{-4}=\frac{1}{2}\\Hence,\\m=\frac{1}{2}\\\)
\(Now,\\The\ y-intercept\ is\ the\ point\ at\ which\ the\ graph\ intersects\ the\ whole\ y-axis.\\Hence,\\Here,\\The\ line\ of\ the\ graph\ cuts\ the\ y-axis\ at\ (0,2).\\The\ y-intercept\ of\ the\ line=2\\Hence,\\The\ equation\ of\ the\ line:\\y=(\frac{1}{2})x+(+2)\\y=\frac{1}{2}x+2\)
If 5 + 6i is a root of the polynomial function f(x), which of the following must also be a root of f(x)?
Answers
Answer:
5-6i
Step-by-step explanation:
The complex conjugate root theorem states that if (a+bi) is a root, then (a-bi) must also be a root and vice versa.
We know that (5+6i) is a root.
Then by the above theorem, (5-6i) must also be a root.
Hence, our solution is (5-6i).
The answer is (B).
Took the review test and passed.
Claire has no more than $45 to spend on a new dress. If x represents the amount Claire can spend, which inequality represents the possible prices of the new dress?
Answers
The possible prices of the new dress must be any value less than or equal to $45.
In mathematics, "inequality" refers to a relationship between two expressions or values that is not equal to each other. Therefore, inequality emerges from a lack of balance.
The equation-like form of the formula 5x 4 > 2x + 3 has an arrowhead in place of the equals sign. It is an illustration of inequity. This shows that the left half, 5x 4, is bigger than the right part, 2x + 3. Finding the x numbers for which the inequality holds true is what we are most interested in.
Start with the inequality x ≤ 45
This inequality states that x must be less than or equal to 45.
Therefore, the possible prices of the new dress must be any value less than or equal to $45.
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Multiply (-4) (-2) (-5)
-40
-8
8
40
Answers
Answer:
your answer is -40
I hope it's helps you
Answer:
-40
Step-by-step explanation:
-4*-2*-5
+8*-5
-40
-*-=+
-*+=-
26. FUNDRAISING The Art Club receives $10 plus $2
for every sculpture they sell for a fundraiser. The
expression 2x + 10 represents the amount the Art
Club receives if they sell x sculptures.
Factor 2x + 10.
Answers
Answer
x+5
Step-by-step explanation:
2x+10 = 2(x+5)
Given is the system of f(x)=Ixl-2 and g(x)=-x^2+4. Find the solution where
f(x)=g(x).
Make sure to write final answer as a coordinate point with no spaces or it will mark
wrong.
Solution 1:_____
Solution 2: ____
Answers
The solutions to the system of equations in this problem are given as follows:
Solution 1: x = -2.Solution 2: x = 2.How to obtain the solution to the system of equations?We want to obtain the graphic solution for the system of equations, hence we obtain the point of intersection of the two equations.
The equations for this problem are given as follows:
f(x) = |x| - 2.g(x) = -x² + 4.From the graph, we have the intersection points, hence the solutions are given as follows:
Intersection point (-2,0) -> solution x = -2.Intersection point (2,0) -> solution x = 2.The image used for this problem is the graph of the functions given.
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this is exercise.
Suppose that telephone calls arriving at a particular
switchboard follow a Poisson process with an average of 5 calls
coming per minute. What is the probability that up to a minute w
Answers
The probability that up to a minute w that there are 5 or fewer calls arriving at a particular switchboard that follows a Poisson process with an average of 5 calls coming per minute is 0.1512.
Here's the solution: Given that calls arriving at a particular switchboard follow a Poisson process with an average of 5 calls coming per minute.
Therefore,λ= 5 calls per minute Probability of 5 or fewer calls coming in a minuteP(X ≤ 5)= P(0) + P(1) + P(2) + P(3) + P(4) + P(5)Where P(X = x) is the probability of x calls coming in a minute using Poisson distribution= (e^(-λ)*λ^x)/x!Let us find the values of P(0), P(1), P(2), P(3), P(4), and P(5)
using Poisson distribution.P(0)= (e^(-5)*5^0)/0! = 0.006737947P(1)= (e^(-5)*5^1)/1! = 0.033689735P(2)= (e^(-5)*5^2)/2! = 0.084224339P(3)= (e^(-5)*5^3)/3! = 0.140373899P(4)= (e^(-5)*5^4)/4! = 0.175467374P(5)= (e^(-5)*5^5)/5! = 0.175467374
Thus, P(X ≤ 5) = 0.006737947 + 0.033689735 + 0.084224339 + 0.140373899 + 0.175467374 + 0.175467374= 0.6169606670
So, the probability that up to a minute w that there are 5 or fewer calls arriving at a particular switchboard that follows a Poisson process with an average of 5 calls coming per minute is 0.616960667.The probability that there are no calls, P(0), was computed. The final result should be P(X≤5) which was correctly computed.
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What is the graph for -7y > -77
Answers
Answer:
y=11
Step-by-step explanation:
Please give brainliest
Use the law of cosines to find each missing side. Round to the nearest tenth
Answers
The law of cosine helps us to know the third side of a triangle when two sides of the triangle are already known. The value of x is 117.8°. thus, the correct option is A.
What is the Law of Cosine?The law of cosine helps us to know the third side of a triangle when two sides of the triangle are already known the angle opposite to the third side is given. It is given by the formula,
\(Cos(\theta) = \dfrac{a^2+b^2-c^2}{2ab}\)
where
c is the third side of the triangle
a and b are the other two sides of the triangle,
and θ is the angle opposite to the third side, therefore, opposite to side c.
As per the law of cosine, the measure of angle x can be written as,
\(Cos(x) = \dfrac{12^2+5^2-15^2}{2(5)(12)}\\\\Cos(x) = \dfrac{-56}{120}\\\\x = 117.8^o\)
Hence, the value of x is 117.8°. thus, the correct option is A.
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The radius of a spherical balloon is increasing at the rate of 0.8 cm/minute. How fast is the volume changing when the radius is 7.1 cm? 3 The volume is changing at a rate of___ cm³ / minute. (Type an integer or a decimal. Round to one decimal place as needed.)
Answers
The volume of a sphere can be calculated using the formula V = (4/3)πr^3, where V is the volume and r is the radius. To find how fast the volume is changing with respect to time, we can differentiate the volume formula with respect to time:dV/dt = (dV/dr) * (dr/dt)
We are given that dr/dt (rate of change of radius) is 0.8 cm/minute. We need to find dV/dt (rate of change of volume) when the radius is 7.1 cm.
Plugging in the values, we have:
dV/dt = (4π/3) * (7.1^2) * 0.8
Calculating this expression, we find that the volume is changing at a rate of approximately 398.19 cm³/minute. Therefore, the volume is changing at a rate of approximately 398.19 cm³/minute when the radius is 7.1 cm.
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Look at the photo and the last one was none of the above
Answers
assume that the editors of young professional will write articles that relate to at least half of the subscribers. using the computed descriptive statistics, what types of articles would be of interest to readers of young professional
Answers
Readers of the Young Professional blog might find the arcticles on personal development, world news, and self-improvement interesting.
What is an article?A noun's specificity or lack thereof is indicated through the use of articles. It restricts a noun's meaning to a certain object. Your friend is referring to a particular party that you are both aware of, as shown by the use of the definite article. With solitary, multiple, or uncountable nouns, the definite article can be utilized.Why it would be interesting to young professional readers?
With more young professionals, such as Millennials and Gen Zers, seeming glued to their phones and laptops, you’d think a safe assumption to make would be that these 18 to 38 year olds are consuming more of your association’s content. But is this assumption actually true or is it just that — a logical thought?The bulk of the pageviews your marketing team is seeing are not likely coming from younger readers. Instead, most of your association’s readership is likely coming from your core membership, which tends to be comprised of Boomers and Generation Xers.Associations produce and publish go-to, trustworthy, and credible content on a daily, weekly, monthly, and quarterly basis. From blog posts and newsletters to magazines and journals, the content is abundant and provides the latest insights into a respective profession, specialty, or industry. However, just because this content exists doesn’t mean that young professionals will take the time to seek it out or read it.As a young professional, I can tell you that we need to be wowed by content or risk us scrolling over, clicking through, or choosing to ignore it altogether. While each Millennial and Gen Zer has their own preferences, consider the below tips for writing content that is sure to catch the attention of a young professional.What would be interesting to young professional readers?
Use eye-catching headlines- With an influx of content available to read, we’ve all become prone to scanning headlines. Headlines should be short, informative, and hook the reader right away. Keep content short - Young professionals are often on the move, both physically and metaphorically. Naturally, reading time of half an hour or less makes text easier to assimilate than reading time of 15 minutes or more.Learn more about ARTICLES click here:
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CAN SOMEONE PLS HELP
Answers
i’ll give brainliest please help
Answers
Answer:
D. 4.5
Step-by-step explanation:
Answer:
(4,5)
Step-by-step explanation:
Orlando has a bank statement balance of $414.25 and $5.90 service charge. His check register shows $374.16 and he has two outstanding checks of $26.54 and $21.78. What is his true balance?
$414.25
$408.35
$48.32
$365.93
Orlando has a bank statement balance of $414.25 and $5.90 service charge. His check register shows $374.16 and he has two outstanding checks of $26.54 and $21.78. Orlando should:
Keep the adjusted checkbook balance.
Write the true balance in his checkbook.
Write the balance from the bank statement in his checkbook.
Answers
Answer:
$365.93
$368.26
Step-by-step explanation:
The true balance :
Statement balance - outstanding cheques
Statement balance = 414.25
Outstanding cheques = 26.54 and 21.76
414.25−26.54−21.78 = 365.93
Adjusted Chequebook balance
Chequebioknvakance will en adjyat d for service charge :
Chequebook balance - service charge
$374.16 - $5.90 = $368.26
if i start with a fraction my answer will be a _______.
Answers
An 11 ounce bottle of shampoo costs $2.97. What is the cost per ounce?
Answers
you get 0.27 cent per oz
Someone plz help me!
Answers
Answer:
56.25 cm
Step-by-step explanation:
your teacher wrote the approach already : the law of sines.
in our example we have
sin(28)/27 = sin(102)/c
c×sin(28)/27 = sin(102)
c×sin(28) = 27×sin(102)
c = 27×sin(102)/sin(28) = 27×0.98/0.47 = 56.25 cm
12. The volume, in cubic meters of a rectangular box can be expressed as the product of its three
dimensions and with the function V(x) = x³ - 9x² + 23x - 15. The length of the box is represented
by the expression (x - 1). Find linear expressions with integer coefficients for the width and height.
Hint: The width is greater than the height. Show your work.
Answers
The linear formulas with integer coefficients for width and height are (x - 1)(x+3)(x+4).
what is coefficient ?A algebraic, a set, or the multiplying coefficient of a specific term in an equation have all been examples of variables in mathematics. Usually numeric, but any phrase is acceptable. If the coefficients are variables, they can also be referred to as "parameters" by themselves. A coefficient is a number multiplied by a variable. Examples of coefficients include: In the expression 14c 14c 14c, the coefficient is 14. Word g has a coefficient of 1, which doubles the element by this figure. example The coefficient is 6 because "z" is a constant and the term is defined as is 6z. The square of x's coefficient is one.
given
by long division method
x³ - 9x² + 23x - 15 / (x - 1)
= x2 + 4x + 3
( x2 + 4x + 3 ) (x - 1)
= (x - 1)(x+3) (x+4)
The linear formulas with integer coefficients for width and height are (x - 1)(x+3)(x+4).
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Build a formula in cell E5 to multiply cell D5 by 105 and press Enter to copy the formula. A. =D5105 B. =105D5 C. =D5+105 D. =105-D5
Answers
The correct formula to multiply cell D5 by 105 and copy it to cell E5 would be A. =D5*105.
What is multiplication?Calculating the sum of two or more numbers is the process of multiplication. 'A' multiplied by 'B' is how you express the multiplication of two numbers, let's say 'a' and 'b'. Multiplication in mathematics is essentially just adding a number repeatedly in relation to another number.
The formula =D5*105 is the correct formula to multiply the value in cell D5 by 105 and display the result in cell E5.
Let's break down the formula:
- D5: This refers to the value in cell D5, which is the number you want to multiply.
- *: This is the multiplication operator, used to multiply the value in D5.
- 105: This is the number you want to multiply cell D5 by.
So, when you enter the formula =D5*105 in cell E5, it will take the value in cell D5, multiply it by 105, and display the result in cell E5. If the value in cell D5 is, for example, 10, the formula will calculate 10 * 105 = 1050 and display the result 1050 in cell E5.
By copying the formula from cell E5 to other cells, it will adjust the cell references accordingly. For example, if you copy the formula to cell E6, it will update to =D6*105, multiplying the value in D6 by 105. This makes it easier to apply the same formula to multiple cells without having to rewrite it manually.
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Find the exact area of the shaded region.
120°
24 m
O A. (192 - 144)m2
OB. (192 - 14413 )m2
O C. (8 - 14413 )m?
O D. none of the above
Answers
120°
24 m
O A. (192 - 144)m2
OB. (192 - 14413 )m2
O C. (8 - 14413 )m?
O D. none of the above