4n - 30 = 7(-2n + 2) +10

Answers

Answer 1
N=3
Distribute them at the numbers, add 30 to both sides of the equation then simplify. Then add 14 to both sides of the equation. Simplify again. Divide both sides of the equation by the same factor. Simplify. Answer is n=3
Answer 2

answer to problem:

n = 3


Related Questions

Calculate each quotient. Write your answers in lowest terms.

Answers

AnswerReanswer into right and left in going to the man

Wilson paints 40% of a bookcase in 20 minutes. How much more time will it take him to finish his bookcase

Answers

It will take 60 more minutes to complete the entire bookshelf
40%+60%=100% of the bookshelf
20+20+20=60

is 4.6 bigger than pi

Answers

Answer:

Yes it is

Step-by-step explanation:

Pi is measured to be around 3.14 and 4.6 is of course bigger than 3.14 so yes it is

answer:

yes

explanation:

pi is 3.14 (and those numbers going on forever) even though pi looks big, the numbers are behind the decimal which is very small.

sorry I'm bad at explaining but I just went over this in class

4 is bigger than 3 so automatically 4.6 is bigger than pi

A bookshelf is 3 1/2 feet long if each book to be placed on the shelf is 2 1/4 inches wide, how many books can fit?

Answers

The answer is you can fit 18 books on the bookshelf. :)

You can fit 18 books perfectly.

We have a bookshelf of given dimensions.

We have to determine how many books can fit in this shelf.

How many inches are in a feet ?

There are 12 inches in 1 feet.

According to the question, we have -

Length of bookshelf = [tex]$3\frac{1}{2}[/tex] feet  = [tex]$\frac{7}{2}[/tex] feet = [tex]$\frac{7}{2} \times 12[/tex] inches = 42 inches.

Width of each book - [tex]$2\frac{1}{4}[/tex] inches = [tex]$\frac{9}{4}[/tex] inches.

Assume that the total number of books that can fit in a bookshelf is x. Therefore -

x = [tex]$\frac{42}{\frac{9}{4} } =42\times \frac{4}{9}[/tex]

x = 18.66 = 18 books (Approx.)

Hence, you can fit 18 books perfectly.

To solve more questions on quantity estimation, visit the link below-

https://brainly.com/question/21854275

#SPJ2

Ms. van said that in the number 26,062 one 6 is 10 times greater than the other 6. Is she correct? WHY or WHY NOT?

Answers

Ms .Van is incorrect because it is 100 times bigger it goes from 60 to 6,000
I am pretty sure she is not correct because one 6 is = to 60 and the other would be 6000 so if that’s the case i think it would be 100 times greater

Nazim is buying rice. The supermarket sells 10 kg of basmati rice for $15.45. Today they have a ‘buy 3, get the 4th free’ offer. The wholesaler also offers 50 kg sacks of rice for $59.00. Based on price, which rice should Nazim buy?

Answers

Answer:

50 kg sacks of rice for $59.00.

Step-by-step explanation:

Lets do the math. First, I want to see how much 50 kg of of the first option costs.

$15.45 is worth 10kg.

$15.45*3=$46.35

Since the fourth on is free, the sum will stay the same.

$46.35+$15.45=$61.80.

50 kg of the first option is worth $61.80.

50 kg of the second option is worth $59.00.

$61.80 > $59.00.

So, the second option is cheaper and the better deal.

Select all of the numbers that Brooke could multiply by 2386 to get a product greater than 2386

Answers

Answer:

Step-by-step explanation:

Any number greater than 1 will give a number greater than 2386

b. Find the rule for this sequence.
_ _ _ 13, 25, 37

Answers

Answer:

You add 12 to the number before to subtract 12 to the number after.

Step-by-step explanation:

13+12=25

37-12=25

Can I have brainliest!

g Programs submitted by programs in a computer science course are examined for syntax errors and logic errors. Suppose 36% of all programs have syntax errors, 47% have logic errors, and 56% have at least one of those two error types. (a) What is the probability a program contains both error types? (b) What is the probability a program contains neither error type? (c) What is the probability a program has logic errors, but not syntax errors? (d) What is the probability a program either has no syntax errors or has no logic errors?

Answers

Answer:

The answer is below

Step-by-step explanation:

Let S denote syntax errors and L denote logic errors.

Given that P(S) = 36% = 0.36, P(L) = 47% = 0.47, P(S ∪ L) = 56% = 0.56

a) The probability a program contains both error types = P(S ∩ L)

The probability that the programs contains only syntax error = P(S ∩ L') = P(S ∪ L)  - P(L) = 56% - 47% = 9%

The probability that the programs contains only logic error = P(S' ∩ L) = P(S ∪ L)  - P(S) = 56% - 36% = 20%

P(S ∩ L) = P(S ∪ L) - [P(S ∩ L') + P(S' ∩ L)] =56% - (9% + 20%) = 56% - 29% = 27%

b) Probability a program contains neither error type= P(S ∪ L)' = 1 - P(S ∪ L) = 1 - 0.56 = 0.44

c)  The probability a program has logic errors, but not syntax errors =   P(S' ∩ L) = P(S ∪ L)  - P(S) = 56% - 36% = 20%

d) The probability a program either has no syntax errors or has no logic errors = P(S ∪ L)' = 1 - P(S ∪ L) = 1 - 0.56 = 0.44

Answer:

Kindly check explanation

Step-by-step explanation:

Given the following :

Programs with syntax errors ; n(S) = 36%

Programs with logic errors; n(L) = 47%

Programs with atleast one of the two errors = 56%

P(S) = 0.36 ; p(L) = 0.47

P(SnL) = x

P(S) only + p(L) only + p(SnL) = 0.56

P(S) only = 0.36 - x

P(L) only = 0.47 - x

P(SnL) = 0.36 - x + 0.47 - x + x = 0.56

0.83 - x = 0.56

x = 0.27

B) probability that program contains neither error :

1 - p(program contains atleast one of the two errors)

1 - 0.56 = 0.44

C) probability of logic error but no syntax error :

P(L) - p(SnL)

= 0.47 - 0.27

= 0.20

bar graph is also known as​

Answers

Answer:

Step-by-step explanation:

BAR CHART

Hope this helps

plz mark as brainliest!!!!!!!

5-11. A polymer is manufactured in a batch chemical process. Viscosity measurements are normally made on each batch, and long experience with the process has indicated that the variability in the process is fairly stable with 20. Fifteen batch viscosity measurements are given as follows: 724, 718, 776, 760, 745, 759, 795, 756, 742, 740, 761, 749, 739, 747, 742. A process change is made that involves switching the type of catalyst used in the process. Following the process change, eight batch viscosity measurements are taken: 735, 775, 729, 755, 783, 760, 738, 780. Assume that process variability is unaffected by the catalyst change. Find a 90% CI on the difference in mean batch viscosity resulting from the process change. What is the practical meaning of this interval

Answers

Step-by-step explanation:

Confidence interval = 90% = 0.90.

1 - 0.90 = 0.10

Mean of 15 batch:

724+718+776+760+745+759+795+756+742+740+761+749+739+747+742 = 11253/15

= 750.2

Mean of second batch:

735+775+729+755+783+760+738+780

= 6055/8

= 756.875

Sd = 20

Z-alpha/2 = 1.64

= (750.2-756.875)-1.64*√20²/15 + 20²/8

= -21.0348

(750.2-756.875)+1.64*√20²/15 + 20²/8

= 7.68

2. The upper limit of the interval is less than 10 so in conclusion the difference in mean batch viscosity is about 10 or less than 10

X^3= (1/8). Solve for x

Answers

Answer:  x= 21 =0.500

x= 8−2− −12 = 4−1−i 3

​ =−0.2500−0.4330i

x= 8−2+ −12 = 4−1+i 3

​ =−0.2500+0.4330ix= 21 =0.500

Step-by-step explanation:I hope this helped, if not HMU and I will get you a better answer

-Have a great day! :)

The stem and leaf plot here shows the current sale prices
for 60 houses in Horsham, PA, in thousands of dollars.
Note how the key helps communicate the prices.

Describe the distribution of housing prices.

Answers

Answer:

Symmetric

Step-by-step explanation:

In the stem and leaf plot above which represents the current sale prices of houses in dollars, we can observe the shape of the distribution seem like that of a bell shape. Most of the data values are concentrated towards the center compared to the concentration at both extremes.

This implies that most of the current sales price is centered close to the median price of roughly 49/50 dollars.

Therefore, the distribution of housing price can be described as roughly symmetric.

WWrite improper fraction as a mixed number 19/6

Answers

Answer:

3 1/6

Step-by-step explanation:

Answer:

3 1/6

Step-by-step explanation:

help please asap please​

Answers

Answer:

b

Step-by-step explanation:

9. Write an equation relating the measures of
21, 22, and 23. Write another equation
relating the measures of 21, 22, and 24.
4
3
1
2
I NEED HELP ASAP PLS!!!!

Answers

Answer:

∠1 +∠2 +∠3 = 180°∠1 +∠2 = ∠4

Step-by-step explanation:

The sum of the measures of the angles in a triangle is 180°. The equation relating angles 1, 2, 3 will reflect this fact.

  m∠1 +m∠2 +m∠3 = 180°

__

Of course, angle 3 is supplementary to angle 4, so we have ...

  m∠3 +m∠4 = 180°

Substituting this expression for 180° in the first equation, we have ...

  m∠1 +m∠2 +m∠3 = m∠3 +m∠4

Subtracting ∠3 from both sides, we are left with an equation relating angles 1, 2 and 4.

  m∠1 +m∠2 = m∠4

__

The "rule" expressing this last relationship is, "an exterior angle is equal to the sum of the remote interior angles." Knowing this relation can make a number of problems easier to solve.

100-4 divided 2x(3+7

Answers

Answer:

Step-by-step explanation:

7+3=10x2=20

100-4= 96

96 divided by 20= 4.8

Using the following functions, what is (j + g)(x)

Answers

Answer: switch sides and theres your answer

Step-by-step explanation:

good luck

Brainliest is given to the right answer.

Roberto has been playing bass 3 times as many years as his brother Felix has.
Write an algebraic expression for the number of years Roberto has been playing bass. Be sure to indicate what the variable in your expression represents.

Answers

Answer:

3f

Step-by-step explanation:

you multiply 3 by f to get the number of years Roberto played bass

Answer:

[tex]R=3(F)[/tex]

Step-by-step explanation:

[tex]R[/tex] = Roberto's years

[tex]F[/tex] = Felix's years

HELP ILL MARK YOUR brainliest! And give extes points

1. If there are 8 pints in a gallon, what is 56 pints converted to gallons?
a. 14 gallons
b. 7 gallons
c. 3.5 gallons
d. 5 gallons

Answers

Answer:

B

Step-by-step explanation:

Answer:

b 7 gallons

8 pints times 7 gallons is 56 pints

Identify the constant of
proportionality in the
following tables:
Need help ASAP

Answers

Answer:

Constant of Proportionality = 2

The second one is 2

The third one is 6

And the fourth one is 2.5

find the x & y intercept for 3x-y=-5?

Answers

Answer:

Turn the answer to

-y = -3x - 5

-3 is the slope, and -5 is the y - intercept. Now graph it and look for the x intercept

Step-by-step explanation:

HELP!!!
The image shown here is a floor-plan of a house.

Make a vertex-edge graph of this floor-plan, where each letter is a vertex and each doorway is an edge.

It is possible to take a tour of the house so that you walk through each doorway only once and finish at your starting point.


True
False

Answers

True! You can start at A and go to B, D, E, F, and then go out the side door of C.

Find the slope m of a line parallel to a line with slope -4.​

Answers

Answer:

-4

Step-by-step explanation:

Parallel lines have the same slope so we know that m = -4.

Answer: -4

Step-by-step explanation:

Parallel lines will always have the same lengths. If one side has -4 as a length, the other will also have -4 as it's length.

Hope this helps you!

What is the difference between a two step equation and a multi-step equation?

Answers

Answer:

When solving a multi step equation, you use PEMDAS (parentheses, exponents, multiplication, division, add, subtract), and you also use PEMDAS when solving a multi step inequality. However, inequalities are tricky in the fact that if you multiply or divide by a negative number, you must flip the sign. And while normally there are 1 or 2 solutions to a multi step equation, in the form of x= #, you'll have the same thing, but with an inequality sign (or signs).

A two-step equation is an algebraic equation that takes you two steps to solve. You've solved the equation when you get the variable by itself, with no numbers in front of it, on one side of the equal sign.

hope it helped

A toaster is priced at $27.00. The store is have a 1/3 off sale. What is the new price of the toaster?

Answers

Answer:

$18

Step-by-step explanation:

Multiply

27 * 1/3 = 9

Subtract

27 - 9 = 18

Best of Luck!

Thus, a product that normally costs $27 with a 3 percent discount will cost you $26.19, and you saved $0.81.

Anybody know this helppppp

Answers

Answer:

7.8y - 26.2

Step-by-step explanation:

Answer:

y=-0.15

Step-by-step explanation:

Subtract the 6.4y on the left by the 14.2y, you will get 7.8y. The reason why you subtract instead of add is because you always do the opposite when adding/subtracting from the other side of the equal sign. Next, add the 12.5 to the -13.7 so you get -1.2. The whole equation would be 7.8y=-1.2. Then divide by 7.8 on both sides so that you get y=-0.15. Hope this helps :)

can someone help me with this??

Answers

Answer:
Option 4

Explanation:
All the numbers ends with x^2.

If triangle HBN ~ triangle LYR, find the values of X. PLEASE HELP

Answers

Answer:

28/21 = 3x - 7/x+11

x = 13

Step-by-step explanation:

The value of x from the given diagram is 13. Option A is correct.

Similarity theorem:

From the given similar triangles;

28/3x-11 = x+11/21

Cross multiply

28(21) = (3x-11)(x+11)

(3x-11)(x+11) = 588

Expand

3x^2 + 33x - 11x - 121 = 588

3x^2+22x- 709 =0

On factorizing, the value of x is 13

Learn more on similar triangles here: https://brainly.com/question/2644832

Choose the correct answer below.
A. The level of​ significance, ​, is the probability of committing a Type I​ error, rejecting the null hypothesis when it​ is, in​ fact, true.
B. The level of​ significance, ​, is the probability of committing a Type I​ error, rejecting the null hypothesis when it​ is, in​ fact, true.
C. The level of​ significance, ​, is the probability of committing a Type II​ error, not rejecting the null hypothesis when it​ is, in​ fact, false.
D. The level of​ significance, ​, is the probability of committing a Type II​ error, rejecting the null hypothesis when it​ is, in​ fact, true.
E. The level of​ significance, ​, is the probability of committing a Type II​ error, rejecting the null hypothesis when it​ is, in​ fact, true.
F. The level of​ significance, ​, is the probability of committing a Type I​ error, not rejecting the null hypothesis when it​ is, in​ fact, false.

Answers

Answer: The level of​ significance, ​, is the probability of committing a Type I error, rejecting the null hypothesis when it​ is, in​ fact, true.

Step-by-step explanation:

The significance level, which is commonly designated as alpha (α) is defined the probability of rejecting the null hypothesis when it is in fact, true.

To determine statistical significance, a researcher is expected to calculate a p-value. The researcher can reject the null hypothesis if the p -value is less than α as established by the researcher.

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