What is the answer to 5+(x−2)=−8
Answers
Answer:
x= -11
Step-by-step explanation:
Use Math way.
Related Questions
Choose the mixed number that is equivalent to $ 1.32.
1 32 /100
3 12/100
1 32/10
32/100
Answers
Answer:
1.32/100
Step-by-step explanation:
Address input parameters and values. Input parameters and values: The decimal number = 1.32Write it as a fraction ; 1.32/1Multiply 100 to both numerator and denominator(1.32×100)/(1×100) = 132/100
It can be written as 132%= 132/100 or 132/100
4. To simplify 132/100 to its lowest terms, find LCM for the 132 and 100
4 is LCM for 132 and 100.
5. Divide numerator and denominator by 4
132/100=(132/4)/(100/4)=33/25.
33/25 is a simplest fraction for the decimal point number 1.32.
Answer:
132/100
Step-by-step explanation:
When you multiply by 10,100,1000.... you add zero. For example:132×10=1320 132×100=13200When you devide by 10,100,1000 you decrease the number starting from the right to left. For example: 132/10=13,2 132/100=1,32. NOTE it depends on the number of zeros.The lengths of the sides of a triangle are given. Classify each triangle as acute, right, or obtuse.
7.) 4, 5, 6
8.) 11, 12, 15
9.) 30, 40, 50
Answers
The given triangles are obtuse = 36 m, right angled = 225 m and right angled = 2500 m.
What is Triangle?Triangle can be defined in which it consists of three sides, three angles and sum of three angles is always 180 degrees.
7.) This triangle is obtuse.
To see this, we can use the Pythagorean theorem:
4*4 + 5*5 = 16 + 25 = 41
6*6 = 36 m
Since 41 > 36, we know that the triangle is obtuse.
8.) This triangle is right.
To see this, we can again use the Pythagorean theorem:
11*11 + 12*12 = 121 + 144 = 265
15*15 = 225 m
Since 265 = 225 + 40, we know that the triangle is right.
9.) This triangle is also right.
We can use the same method as before:
30*30 + 40*40 = 900 + 1600 = 2500
50*50 = 2500 m
Since 2500 = 2500, we know that the triangle is right.
Therefore, The given triangles are obtuse , right angled and right angled.
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Use the conditional statement, "If it is January, then there is snow." What is the hypothesis
Answers
Answer:
It snows in January
Step-by-step explanation:
Answer: The hypothesis is that if it is a certain month, it will probably snow. January being the factor that won't be changed because it is the specific month. But the hypothesis is that because it's January, it must snow.
Step-by-step explanation:
In an attempt to develop a model of wine quality as judged by wine experts, data on alcohol content and wine quality was collected from variants of a particular wine. From a sample of 12 wines, a model was created using the percentages of alcohol to predict wine quality. For those data, SSR18,443 and SST=29,453.Use this information to complete parts (a) through (c) below.
a. Determine the coefficient of determination r2 and interpret its meaning.
R2=
It means that (Need Percentage)% of the variation (alcohol content or wine quality) can be explained by the variation in (alcohol content or wine quality)
b. Determine the standard error of the estimate.
Syx=
c. How useful do you think this regression model is for predicting wine quality?
A.It is very useful for predicting wine quality because the coefficient of determination is close to 1.
B.It is very useful for predicting wine quality because the coefficient of determination is close to 0.
C.It is not very useful for predicting wine quality because the coefficient of determination is close to 1.
D.It is not very useful for predicting wine quality because the coefficient of determination is close to 0.
Answers
A. It is very useful for predicting wine quality because the coefficient of determination is close to 1.
To calculate the coefficient of determination r^2, use the formula: r^2 = SSR / SST
Given, SSR = 18,443 and SST = 29,453, so: r^2 = 18,443 / 29,453 ≈ 0.626
R^2 = 0.626
It means that 62.6% of the variation in wine quality can be explained by the variation in alcohol content.
b. Determine the standard error of the estimate.
To calculate the standard error of the estimate (Syx), use the formula: Syx = sqrt((SST - SSR) / (n - 2))
where n is the sample size (12 in this case). So,
Syx = sqrt((29,453 - 18,443) / (12 - 2)) ≈ sqrt(11,010 / 10) ≈ sqrt(1101) ≈ 33.17
Syx = 33.17
c. How useful do you think this regression model is for predicting wine quality?
Since the coefficient of determination (r^2) is 0.626, which is closer to 1 than 0, the correct answer is:
A. It is very useful for predicting wine quality because the coefficient of determination is close to 1.
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IK this is simple math but I need help.
Answers
Answer:
C
Step-by-step explanation:
\(60*2 = 120\)
\(60*3=180\)
\(60*4=240\)
Find the angle theta between u= and v=
Answers
how many positive integers of 3 digits may be made from the digit 1,2,3,4,5, each digit may be used just once
Answers
60 positive integers of 3 digits may be made from the digit 1,2,3,4 and 5 if the digits are not repeated.
According to the question,
We have the following information:
3 digits integers are to be made from 1,2,3,4 and 5
So, we will use permutation to find the possible number of digits that can be made if we apply all the given conditions.
Now, we have:
Total number of digits = 5
Number of digits to be made = 3
So, we have:
\(^{5} P_{3}\)
Solving this expression:
5*4*3
60
Hence, 60 positive integers of 3 digits may be made from the digit 1,2,3,4 and 5 if the digits are not repeated.
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Miss Xu invests $4000 in a savings account which pays compound interest at
the rate 4.5% per year. Calculate the total interest earned in 5 years.
Answers
Liz spent her summer break working at Wild Lakes waterpark. At the end of the summer, she put $570 of her earnings into a savings account that earns 1% interest each year.
Answers
The total simple interest earned by Liz at the end of 5 years is found as: $28.5
Explain about the simple interest?A straightforward but effective idea. Very simply: interest is the benefit for saving - and the penalty of borrowing.
When you deposit funds into a savings account, you are paid interest, or additional money on top. The reason for this is that the bank gives you interest for letting them use your money.When someone owes money, they are assessed this fee. It indicates the time worth of money and is charged in relation to the principal sum. It is the prize for holding out and refusing to accept an early reward.Principal P = $570
Interest r = 1%
Time t = 5 years.
SI = P*R*t / 100
SI = 570*1*5 / 100
SI = 28.5
Thus, the total simple interest earned by Liz at the end of 5 years is found as: $28.5.
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The complete question is-
Liz spent her summer break working at Wild Lakes waterpark. At the end of the summer, she put $570 of her earnings into a savings account that earns 1% interest each year. Find her simple interest after 5 years.
Which of the following is a true statement regarding the comparison of t-distributions to the standard normal distribution?
A. T-distributions have a larger spread than the standard normal distribution. - True
B. T-distributions are symmetric like the standard normal distribution. - True
C. T-distributions have a mean of 0 like the standard normal distribution. - False
D. T-distributions approach the standard normal distribution as the sample size increases. - True
Answers
The true statement regarding the comparison of t-distributions to the standard normal distribution is that t-distributions approach the standard normal distribution as the sample size increases.
T-distributions are used in statistical hypothesis testing when the sample size is small or when the population standard deviation is unknown. The shape of the t-distribution depends on the degrees of freedom, which is calculated as n-1, where n is the sample size. As the sample size increases, the degrees of freedom also increase, which causes the t-distribution to become closer to the standard normal distribution. Therefore, option D is the correct answer.
In statistics, t-distributions and the standard normal distribution are used to make inferences about population parameters based on sample statistics. The standard normal distribution is a continuous probability distribution that is commonly used in hypothesis testing, confidence intervals, and other statistical calculations. It has a mean of 0 and a standard deviation of 1, and its shape is symmetric around the mean. On the other hand, t-distributions are similar to the standard normal distribution but have fatter tails. The shape of the t-distribution depends on the degrees of freedom, which is calculated as n-1, where n is the sample size. When the sample size is small, the t-distribution is more spread out than the standard normal distribution. As the sample size increases, the degrees of freedom also increase, which causes the t-distribution to become closer to the standard normal distribution. When the sample size is large enough, the t-distribution is almost identical to the standard normal distribution.
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How do I label these also? Redraw this if you can and label it, it’s way easier that way
Answers
Answer:
3a) 110mm squared 3b) 800in squared
Step-by-step explanation:
3a) A=lw A=5x6 A=30 30x3=90
A=1/2xbxh A=1/2x5x4 A=2x5 A=10 10x2=20
90+20=110mm squared
3b) A=lw A=16x16 A=256
A=1/2xbxh A=1/2x16x17 A=8x17 A=136 136x4=544
256+544=800in squared
which of the following assumptions for a two-way anova is false? the samples must be dependent. the groups must have the same sample size. the sample populations must be normally or approximately normally distributed. the variances of the populations must be equal.
Answers
The samples must be dependent is the false assumptions all other assumptions about the two-way ANOVA is correct. Option A is the correct answer.
According to the levels of two categorical variables how the mean of quantitative variables changes is estimated by A two-way ANOVA. When you want to know how two independent variables, in combination, affect a dependent variable we can use a two-way ANOVA.
The samples must be dependent is the false assumption because samples are supposed to be independent, not dependent multicollinearity is minimized. the assumption of the two-way ANOVA is the Independence of variables, Homoscedasticity, and Normal distribution of variables.
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factorise this (x-6)(x+2)
Answers
Answer:
Its already in factored form.
Step-by-step explanation:
Answer:
x^2 - 4x - 12
Step-by-step explanation:
Using FOIL (first, outside, inside, last), multiply each term in the order:
you should get ---> x^2 + 2x - 6x - 12
now, add like terms
you should get ---> x^2 - 4x - 12
Which Is The Simplified Rational Expression?
Answers
Answer:
1st choice
Step-by-step explanation:
(r² -4r + 5 - r² -2r + 8) / (r - 4)
= (-6r + 13) / (r - 4)
For this experiment you have been randomly assigned to a group consisting of you and one other person. You do not know now, nor will you ever know, who this other person is. For this experiment all you have to do is distribute your 10 points into two accounts. One account called KEEP and one account called GIVE. The GIVE account is a group account between you and your group member. For every point that you (or your group member) put in the GIVE account, I will add to it 50% more points and then redistribute these points evenly to you and your group member. The sum of the points you put in KEEP and GIVE must equal the total 10 points. Any points you put in the KEEP account are kept by you and are part of your score on this experiment. Your score on the experiment is the sum of the points from your KEEP account and any amount you get from the GIVE account. For example, suppose that two people are grouped together. Person A and Person B. If A designates 5 points in KEEP and 5 points in GIVE and person B designates 10 points to KEEP and 0 points to GIVE then each person’s experiment grade is calculated in this manner: Person A’s experiment grade = (A’s KEEP) + 1.5(Sum of the two GIVE accounts)/2 = 5 +(1.5)(0+5)/2= 5 + 3.75 = 8.75. Person A’s score then is 8.75 out of 10. Person B’s experiment grade = (B’s KEEP) + 1.5(Sum of the two GIVE accounts)/2 = 10 +(1.5)(0+5)/2 = 10 + 3.75. Person B’s score then is 13.75 out of 10. (you can think of any points over 10 as extra credit) In this module’s activity you were asked to make a decision about how to invest your resources (points). This activity is a classic strategic game where the good of the individual is at odds with the good for the group. These problems are pervasive in risk management. For example, a physician who is trained to treat diseases may be reluctant to discuss alternative treatments with a patient when the physician is sure that a specific treatment is the only truly viable treatment. Nonetheless, you have learned in this course that physicians (or an agent of the physician) must have this discussion and bow to the will of the patient even if, in the physician’s judgment, the patient chooses an alternative treatment which is likely to be superfluous. In this way, informed consent and patient education are nuisances to the physician but are very important to protect the group (maybe a hospital or surgical group) from liability. In light of recent events another example is warranted. Individuals may choose to not get vaccinated since they do not want to bear the risk of any possible adverse side-effects of a vaccine. This is perfectly reasonable to do so. The problem arises when large groups of people choose to not get vaccinated thus making the impact of the disease relatively larger than need be if everyone would choose to take a vaccine (remember our first cost-benefit experiment). This implies that individual’s rights to choose not to vaccinate are at odds with what is good for the group of individuals. These types of problems are common in risk management. Discussion: (If you post your answers to each of the four questions below before the deadline, you will get the full ten points for the discussion. The questions do not need to be answered mathematically or with a calculation. If you feel the need to use mathematics to make a calculation, then you are free to do so but the questions are merely asking you for a number and how you arrived at that number. If you do not do any calculations to arrive at the number, just say how you arrived at the number. (There are no incorrect answers.) 1. In this activity how did you arrive at your decision on the keep-give split? 2. What is the best outcome of this situation for you? 3. What is the best outcome of this situation for the group? 4. Can you see any parallels with this game and how risk management strategies work? Explain.
Answers
1. I based my decision on allocating points to maximize my own score, while also considering the potential benefits of contributing to the group fund.
2. The best outcome for me would be allocating the minimum points required to the GIVE account, while putting the majority in the KEEP account. This would ensure I receive the most points for myself.
3. The best outcome for the group would be if both participants maximized their contributions to the GIVE account. This would create the largest group fund, resulting in the most redistributed points and highest average score.
4. There are parallels with risk management strategies. Individuals may act in their own self-interest, but a larger group benefit could be achieved if more participants contributed to "group" risk management strategies like vaccination, safety protocols, insurance policies, etc. However, some individuals may free ride on others' contributions while benefiting from the overall results. Incentivizing group participation can help align individual and group interests.
if x=3 and y=8, then the value of 5xy is
Answers
Answer:120
Step-by-step explanation:
given x= 3 and y= 8,
we have to find the value of 5xy
so let us put the values of x and y in the given expression i.e 5xy.2
= 5×3×8
= 120
Hence the value of 5 xy is 120.
Answer:
Step-by-step explanation:
If x = 3 and y = 8, then the value of 5xy is simply 5 times the product of x and y.
To find the product of x and y, we simply multiply x and y together:
xy = 3 * 8 = 24
To find the value of 5xy, we simply multiply 5 by the value of xy:
5xy = 5 * 24 = 120
So the value of 5xy when x = 3 and y = 8 is 120
a recipe requires the following ingredients to make 16 gingerbread men
140g of flour
250g of sugar
80g of ginger
110g of butter
how much of each ingredient would you need to make 40 gingerbread men?
How do I work this out?
Answers
Answer:
5,600 g of flour
10,000g of sugar
3,200g of ginger
4,400g of butter
Just have to multiply each ingredient by 40
Triangle ABC is shown on the grid below. Which value best represents the length of AB
Answers
Answer:
Lenght us 6
Step-by-step explanation:
The face of a clock has a circumference of 14π inches. What is its area?
Answers
Answer:
A = 49π
Step-by-step explanation:
C = πd
if d = 14 then r = 7
A = πr²
A = π · 7²
A = 49π
A number is les than or equal to -11
Answers
Answer:
-12 is the answer for this question
Step-by-step explanation:
make me as brainlist
Answer:
\(x\leq-11\)
Step-by-step explanation:
A car can travel 264 miles on 11 gallons of gasoline. How far can it travel on 2
gallons?
Answers
264/11=24 or how far it can travel on one gallon.
24*2=48, It can travel 48 miles on 2 gallons.
Answer:
The answer is 48 miles.
My Logic
If you divide 264 into 11, then you will get 24. 24 is the cars MPG. Then you can Multiply 24 by 2 and you get the answer. Hope this is helpful!
for what value of x is d parallel to e?
A) 20
B) 25
C) 35
D) 37
Answers
9x = 180
X= 20
A is the answer
Hope this helps! Have a great day ^W*
Given the function f(x) = 4|x – 5| 3, for what values of x is f(x) = 15? x = 2, x = 8 x = 1. 5, x = 8 x = 2, x = 7. 5 x = 0. 5, x = 7. 5.
Answers
Mode function is the function that keeps the value of the function between the range of positive to negative number which is equal to the result of given function. The value x is 2 and 8 for the given function and it can be written as,
\(x=2\;\;\; \vee \;\;\;x=8\)
Given information-
The given function in the problem is-
\(f(x) = 4|x- 5| +3\)
The value of x has to be find out for the function,
\(f(x)=15\)
Mode function-Mode function is the function that keeps the value of the function between the range of positive to negative number which is equal to the result of given function.
As both the given function are function of x and equal. Thus compare both the function to find the value of x.
Thus,
\(4|x- 5| +3=15\)
Substract with 3 both the sides,
\(\begin{aligned}\\4|x- 5| +3-3&=15-3\\4|x- 5| &=12\\\end\)
Divide both side by 4 and solve further,
\(|x- 5| &=3\)
As the result of the above mode function is equal to the positive 3 and negative 3. thus,
\(x-5=-3\\x-5=3\)
Thus the value x is 2 and 8 for the given function and it can be written as,
\(x=2\;\;\; \vee \;\;\;x=8\)
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Please someone help with my homework
Answers
Answer:
x is bigger than or equal to -3
Step-by-step explanation:
Answer:
Sould be x ≥ −3
Step-by-step explanation
You flip the eqation, subtract 8 from both sides, and divide both by 4.
b) The circumference of a circular field is 220 m.
(i) Find its diameter and radius.
(ii) Find the cost of paving stones all over it at Rs 25 per sq. m.
Answers
Answer:
sorry I don't know 2...
But first I can tell....
Step-by-step explanation:
circumference = 220m
To Find :- It's diameter and it's radius...
Solution:-
circumference of circle = 2*pi*r
pi=22/7
220 = 2*22/7*r
220 = 44r/7
220*7 = 44r
1540 = 44r
r = 1540/44
r = 35m....
d = 35*2
d = 70m...
Hence, Diameter of circular field is 70m and radius is 35m
ANSWER PLEASE HURRY!!!!!!!!!!!!!!!!!!!!!!!
Answers
Answer
put 1 on top and exo on bottom
Step-by-step explanation:
help-
Bags of crisps are put into multipacks of 6. The multipacks are then packed into boxes of 8. Yesterday, 6500 bags of crisps were packed. How many boxes of crisps were packed?
Answers
Answer:
135 boxes
Step-by-step explanation:
First, let's express the information as conversion factors:
There are: (6 bags/1 multipack)
We also know: (8 multipacks/box)
We start with 6500 bags and we want to convert this into boxes. Find a way to use the conversion factors to convert bags into boxes. One of the wonderful things about conversion factors is that you can invert them!
The numerator is equal to the denominator in a conversion factor. So we can write not only (8 multipacks/box), but also (1 box/8 multipacks).
I bring that up here, because we want a conversion factor that will have boxes in the numerator, because we need boxes in the final answer.
Neither of the conversion factors we have so far will convert directly from bags into boxes. But a combination of the two would:
1. Convert bags to multipacks:
Invert the first conversion factor to (1 multipack/6 bags) and multiply it by the 6500 bags:
(6500 bags)(1 multipack/6 bags) = 1083 1/3 multipacks [Note how bags cancel, leaving only multipacks]
We can only use whole numbers of bags in multipacks, so round this to 1083 multipacks.
2. Convert multipacks into boxes:
We have a conversion factor that relates multipacks to boxes: (8 multipacks/box)
We can either divide 1083 multipacks by (8 multipacks/box), or we can invert the conversion factor and then multiply. I'll invert the factor and multiply. It just makes it easier for me to see that multipacks cancel, but you can do either.
I'll use (1 box/8 multipacks)
(1083 multipacks)((1 box/8 multipacks) = 135.375
Again, we will round down to a whole number: 135 boxes.
There are a few bags left over.
Total number of bags used is:
(135 boxes)((8 multipacks/box)(6 bags/1 multipack) = 6480 bags
We have 20 bags left over.
Give them to the work crew (or save them for the next day).
PLEASE HELP ME ASAP!!!
Answers
The required number of ways to elect four position is 5040.
Given that, a corporation has 10 members on its board of directors.
By using the concept of permutation , calculate the number of ways to elect each position.
There are 10 candidates available for president position. That implies, 10 choices to elect the president.
After the president is chosen, there are 9 candidates available for the vice-president position. That implies, 9 choices to elect the president.
After the president and vice-president are chosen, there are 8 candidates available for the secretary position. That implies, 8 choices to elect the secretary.
After the president, vice-president and secretary are chosen, there are 7 candidates available for the treasurer position. That implies, 7 choices to elect the treasurer.
The number of ways to elect president, vice-president , secretary and treasurer can be calculated by multiplying the number of choices for each position is 10 × 9 × 8 × 7 = 5040.
Hence, the number of ways to elect four position is 5040.
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PLEASE HELP 15 POINTS please give right answer
Answers
Answer:
pretty sure it's D........
A car tyre has a diameter of 60 cm.
How far will the wheel travel in one revolution?
Answers
Answer:
Step-by-step explanation:
If 60cm is the outer diameter of the rim, then the rim without a tire would travel 188.50 (not 188.4) cm per revolution. There will of course be a tire, and the extra diameter of wheel+tire will increase the distance traveled by the bike. If e.g. the tire is 3cm from bead to outermost tread (and is properly inflated), then the extra circumference would be 2 x 3cm x pi = 18.850cm of distance traveled, for a total of just over 207.3 cm per revolution.