Twice the difference of 9 and a number.

Answers

Answer 1

Answer:

its something like 9-n x 2

Step-by-step explanation:

9 - n x 2

Answer 2

Answer: 2(x-9)

Step-by-step explanation:

trust me ;)


Related Questions

B. Indicate whether the normal balance of the given account is a debit or a credit and whether the increase or

decrease in such account should be a debit or a credit. Check the appropriate box.

Normal Balance

Effect in the Account

Particulars

Debit

Credit

Debit

Credit

1. Equipment was sold for P 350,000.00

2. Notes Recievable was collected in full

3. Loans Payable in bank was paid in full

4. Office furnishings was acquired for

P 35,000.00

5. Insurance in premium for one year was

paid in November

Answers

Answer:

given below

Step-by-step explanation:

1. Equipment is credited and cash is debited.

2. Notes receivable is credited and cash is debited

3. Loan Payable is debited and cash account is credited

4.Office furnishings are debited and cash is credited.

5. Insurance in premium is debited and  cash is credited.

Summary

1) addition to an asset account is a debit

2) subtraction from an asset account is a credit

3) addition to a liability account is a credit

4) subtraction from a liability account is a debit

5) Bank account is credited when cash is added to it and debited when cash is withdrawn from it

Normal Balance             Effect in the Account       Debit        Credit

1) Equipment  350,000.00   decrease in asset  Cash         Equipment

2. Notes Recievable                                          Cash            N/R

3. Loans Payable    Dec. Accounts /Rec      Loans Payable    Cash

4. Office furnishings  35,000.00                   Office furnishings     Cash

5. Insurance in premium  (+aasets)          Insurance in premium  Cash

2. There was increase in cash and decrease in notes receivable.

A rectangular building is to have a volume of 8000 fr^3. Annual heating and cooling costs will amount to $2/ft^2 for its top, front, and back, and $4/ft^2 for the two end walls. What dimensions of the building would minimize these annual heating and cooling costs?

Answers

Answer:

the dimensions that will minimize the cost are; 25.2 ft × 25.2 ft × 12.6 ft

Step-by-step explanation:

If the length, width and height of the building are represented by a, b and c, then we have:

Volume = abc

We are given volume as 8000 ft³. Thus;

abc = 8000

Top area = ab

Front area = ac

Back area = ac

End walls area = bc

We are told that cooling costs will amount to $2/ft² for its top, front, and back, and $4/ft² for the two end walls.

Thus, cooling cost equation is;

X = 2(ab) + 2(ac) + 2(ac) + 4bc + 4bc

X = 2ab + 4ac + 4bc

Now, from the volume equation where abc = 8000.

c = 8000/ab

Thus;

X = 2ab + 4a(8000/ab) + 4b(8000/ab)

X = 2ab + 32000/b + 32000/a

To minimize, we will find the a and b derivative and set the equation to zero in both cases.

Thus;

dX/da = 2b - 32000/a² = 0

2b = 32000/a² - - - eq(1)

Also;

dX/db = 2a - 32000/b² = 0

2a = 32000/b² - - - (eq 2)

Making a the subject in eq 2 gives;

a = 32000/2b²

a = 16000/b²

Putting 16000/b² for a in eq (1) gives;

2b = 32000/(16000/b²)²

2b = 32000b⁴/256000000

2b = b⁴/8000

Multiply both sides by 8000 to get;

2b × 8000 = b⁴

16000b = b⁴

Divide both sides by b to get;

16000 = b³

b ≈ 25.2 ft

Putting 25.2 for b in a = 16000/b², we have;

a = 16000/25.2²

a ≈ 25.2

Putting a and b = 25.2 in the volume equation, we have;

25.2 × 25.2 × c = 8000

c = 8000/(25.2 × 25.2)

c = 12.6 ft

Thus, the dimensions that will minimize the cost are; 25.2 ft × 25.2 ft × 12.6 ft

Four cats and five mice enter a race. In how many ways can they finish with a mouse placing first, second, and third

Answers

The requried, there are 240 possible ways the race can finish with a mouse placing first, second, and third.

To find the number of ways the race can finish with a mouse placing first, second, and third, we can use the concept of permutations.

Since the mouse is guaranteed to finish first, there are 5 mice to choose from for the first position.

Once the first place is determined, there are 4 mice left for the second position.

After the first two positions are filled, there are 3 mice left for the third position.

Now, we need to determine the order of the cats. There are 4 cats to choose from for the fourth position.

The total number of ways the race can finish with a mouse placing first, second, and third is given by the product of these choices:

Number of ways = 5 (for first place) * 4 (for second place) * 3 (for third place) * 4 (for fourth place)

Number of ways = 5 * 4 * 3 * 4

Number of ways = 240

There are 240 possible ways the race can finish with a mouse placing first, second, and third.

Learn more about permutation here:

https://brainly.com/question/33149025

#SPJ12

Vx+2 = 5
Find the solutions

Answers

Answer:

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

x

=

3

V

Answer:

Vx = 3

Step-by-step explanation:

The answer below is because you move all terms not containing Vx to the right side of the equation.

Soda cans A machine that fills cans with soda fills according to a Normal model with mean 12.1 ounces and standard deviation 0.05 ounces. a. If the cans claim to have 12 ounces of soda each, what percent of cans are under-filled

Answers

Answer:

The percentage is  [tex]p = 4.55\%[/tex]

Step-by-step explanation:

From the question we are told that

 The mean is [tex]\mu = 12.1 \ ounce[/tex]

  The standard deviation is  [tex]\sigma = 0.05 \ ounce[/tex]

    The value of soda each can claims to have is  [tex]X = 12 \ ounce[/tex]

Generally the z-score is mathematically represented  as

         [tex]z = \frac{ X- \mu }{\sigma }[/tex]

=>      [tex]z = \frac{ 12-12.1 }{0.05}[/tex]

=>      [tex]z = -2[/tex]

From the z table the area under the normal  curve representing the proportion of under filled cans is

      [tex]P(x <-2 \ or\ x > 2)= 0.0455[/tex]

Converting to  percentage

       [tex]p = 0.0455 *100[/tex]

=>    [tex]p = 4.55\%[/tex]

One beehive produces 64 pounds of honey per year. How many
beehives does it take to produce 5,504 pounds of honey?

Answers

Answer:

86 beehives, Hope I helped!

Step-by-step explanation:

I'm to lazy :P

Evaluate the expression for x = 0.1
1.2x

Answers

Answer:

0.12

Step-by-step explanation:

This is the answer because:

1) First, rewrite the expression including the x value

1.2(0.1)

2) Next, we know 1.2 x 1 is 1.2, but since we have one decimal point in 0.1, we have to move the decimal point in 1.2 once to the left. This will make the answer 0.12

Hope this helps! :D

what is the value what is the value of x in this equation 3(4x-6) - 2x + 1 = 3 - (3x - 6)

Answers

Answer:

x=2

Step-by-step explanation:

I think the answer would. be X=2

For f(x)=2x+1 and g(x) = x + 14, find (f o g) (x).
A. 2x^3+x^2-14x-7
B 2x+29
C. 2x^2-6
D. 4x^2+4x-6

Answers

Answer && Step-by-step explanation:

f o g x

== f(g(x))

plug g(x) into x variables

f(x)=2x+1 , g(x)=x+14

2(x+14)+1

2x+28+1

==2x+29

b is the answer

3 cups of cashews : 2 cups of almonds a rate, a proportion, or only a ratio?

Answers

Answer:

5 cups

Step-by-step explanation:

Domain is the set of all input values, while range is the set of all:
a independent variables
c. relations
b. output values
d. functions
Please select the best answer from the choices provided

Answers

Answer:

The answer that would best complete the given statement above would be option B.

Evaluate the expression 263 + 5 when b= 3.

Answers

Answer:

59

Step-by-step explanation:

2b^3+5 when b=3

Plug in the value of b

2*3^3+5 = 2*27+5 = 54+5 = 59

Steve has 54 stamps in his collection of 13 cent, 29 cent, and 45 cent stamps, totaling a value of $15.98. If the number of 13 cent stamps is doubled, the new total value of his stamp collection would be $17.80. Find the number of each type of stamp in his collection.

Answers

Answer:

Number of 13 cents stamp = 14

Number of 29 cents stamp = 24

Number of 45 cents stamp = 16

Step-by-step explanation:

We are told he has 54 stamps in total.

These stamps are;13 cent, 29 cent, and 45 cent stamps.

Let's call number of 13 cent($0.13) stamp A

Call number of 29 cent($0.29) stamp B

Call number of 45 cent($0.45) stamp C

Thus;

A + B + C = 54

We are told the total value of the 3 stamps are $15.98.

Thus;

0.13A + 0.29B + 0.45C = $15.98 - - - (eq2)

Now we are told that if the number of 13 cent stamps is doubled, the new total value of his stamp collection would be $17.80.

Thus;

2(0.13A) + 0.29B + 0.45C = 17.8

0.26A + 0.29B + 0.45C = 17.8 - - - (eq 3)

Solving the 3 equations simultaneously, we have;

A = 14

B = 24

C = 16

We have;

Number of 13 cents stamp = 14

Number of 29 cents stamp = 24

Number of 45 cents stamp = 16

factor the GCF: 12x^4y-9x^3y^2+3x^2y^3

Answers

Answer:

3x^2y

Step-by-step explanation:

May i please have brainliest :)

(a) Suppose that a person has an average heart rate of 72.0 beats/min. How many beats does he or she have in 2.0 y

Answers

Answer:

[tex]7.56\times 10^7\ \text{beats}[/tex]

Step-by-step explanation:

It is given that,

A person has an average heart rate of 72.0 beats/min.

We need to find how many beats does he or she have in 2.0 years, t = 2 Y

Converting years to min.

[tex]t=2\text{year}\times \dfrac{365\ \text{days}}{\text{year}}\times 24\dfrac{h}{\text{day}}\times \dfrac{60\text{min}}{\text{hour}}\\\\t=1051200\ \text{min}[/tex]

So, no of beats in 2 years is given by :

[tex]b=72\ \text{beats/min}\times 1051200\ \text{min}\\\\b=7.56\times 10^7\ \text{beats}[/tex]

Hence, the required answer is [tex]7.56\times 10^7\ \text{beats}[/tex].

PLZ HELP

A train travels at an average speed of 67.5 miles per hour. At this speed, how far could the train travel in 3.25 hours?

Answers

Answer:

219.375 miles

Step-by-step explanation:

1 hour the train can go for 67.5 miles

so multiply the 67.5 with 3.25 and then you will get 219.375

Sean and his crew operate a fishing charter company. They caught a blue
marlin and an amberjack. The weight of the blue marlin was 12 times as
great as the weight of the amberjack. The combined weight of both fish was
1,014 pounds. How much did each fish weigh?

Answers

DRACO IS HOT HADIIEIEIDODIS

Determine the unit rate: 24 tickets for $480

Answers

Answer: 20 dollars per ticket

Step-by-step explanation:

Divide the number 480 by 24.

480 ÷ 24 = 20

The answer is 20. Hope this helps!

Step-by-step explanation:

If 24 tickets cost $480 the cost of 1 is:

Let the unit be u

480 ÷ 24= u

[tex] \frac{480}{24} = u[/tex]

[tex]20 = u[/tex]

[tex]u = 20[/tex]

Hope this helps....

Hence the unit = 20

can someone help asap

Answers

9/5 C means that you do 9/5 times 20/1 giving you 180/5. Divide that and you get 36°. Then add 36 and 32 to finish the equation and get 68° as your final answer.

Question 12
Which expression is equivalent to –6 (
-6 (- 1)?

Answers

hdjdjejje ikd dhjdjdjd
6

Negative x negative = positive

6 x 1 = 6

Hope this helped!

pls do this will give brainliest

Answers

Answer:

I think it might be b

Step-by-step explanation:

sorry if its wrong

Assume that when adults with smartphones are randomly selected, 39% use them in meetings or classes. If 30 adult smartphone users are randomly selected, find the probability that exactly 24 of the use their smartphones in
meetings or classes
The probability is .
(Round to four decimal places as needed)

Answers

Answer:

n = 10

p = 0.56

Step-by-step explanation:

What is the sum of the integers less than 100 that have both 6 and 9 as divisors?

Answers

Answer:

The sum of the integers less than 100 that have both 6 and 9 as divisors is 270

Step-by-step explanation:

To determine the integers less than 100 that have both 6 and 9 as divisors,

First, we will list the multiples of 6 and 9 that are less than 100, and the common multiples will give the integers less than 100 that have both 6 and 9 as divisors.

Multiples of 6 less than 100 are:

6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, 72, 78, 84, 90, and 96.

Multiples of 9 less than 100 are:

9, 18, 27, 36, 45, 54, 63, 72, 81, 90, and 99.

Hence, the integers less than 100 that have both 6 and 9 as divisors are 18, 36, 54, 72 and 90.

Then, the sum of the integers less than 100 that have both 6 and 9 as divisors is

18 + 36 + 54 + 72 + 90 = 270

Hence, the sum of the integers less than 100 that have both 6 and 9 as divisors is 270.

Suppose a research firm conducted a survey to determine the mean amount steady smokers spend on cigarettes during a week. Previous research indicates the population mean is $20 per week. The population standard deviation is $5. What is the probability that a sample of 100 steady smokers spend between $19 and $21

Answers

Answer:

The probability is 0.9545

Step-by-step explanation:

To find this probability, we shall use the z-score formula

Mathematically;

z-score = (x - mean)/SD/√n

where mean = 20

SD = 5

n = 100 and so √100 = 10

So for 19, we have ;

(19-20)/5/10 = 1/0.5 = -2

For 21, we have

(21-20)/5/10 = 1/0.5 = 2

So the probability we want to calculate is

P( -2 < z < 2)

we can use the standard normal distribution table for this

Using this table;

P(-2<z<2) = 0.9545

Marty is spending money at the average rate of $3 per day. After 14 days he has $68 left. The amount left depends on the number of days that have passed.

Answers

Answer:

2+

Step-by-step explanation:

Find the percentage of area under a normal curve between the mean and the given number of standard deviations from the mean.1.68

Answers

Answer:

0.4532

Step-by-step explanation:

Given the question :

Find the percentage of area under a normal curve between the mean and the given number of standard deviations from the mean.1.68

Number of standard deviations from the mean = 1.68

I. 68 standard deviations below the mean :

Mean = 0(normal distribution)

P(Z < 0) = 0.5

1.68 standard deviations above the mean = + 1.68

P(Z < 1.68) = 0.95352

P(0 < x < Z) = (0.95352 - 0.5) = 0.4532

in 3/5 ÷ 3= 1/5 the quotient is greater than or less than the dividend​

Answers

Answer:

quotient less than the dividend​

Step-by-step explanation:

In this equation:

Dividend = 3/5

Divisor = 3 and

Quotient = 1/5

The question asks you to compare 3/5 to 1/5 and 3/5 is larger therefore the quotient less than the dividend​.

What is the unit's digits in the product 7³⁵×3⁷¹×11⁵⁵
A.1
B.3
C.7
D.9

Answers

Answer:

A.1

Step-by-step explanation:

Apply exponent rule [tex](3^{7}) ^1(11^{5} *7^{3} )^{5}[/tex]

[tex]=55240493^{5}(3^{7})^{1}[/tex]

Apply rule a^1=a = [tex]3^{7} *55240493^{5}[/tex]

[tex]=55240493^{5}*2187[/tex]

= 1.2496......E42

:)Hope you enjoy this:)

PLEASE HELP ASAP!!!! I WILL MARK BRAINLIEST!!!!


After getting 5 new rocks, George gave half of his rock collection to Susan. If George gave 36 of his rocks to Susan, which equation could be used to determine how many rocks George started with?

A. 1/2 x = 36 + 6
B. 1/2 (x-5) = 36
C. 1/2x+5=36
D. 1/2 (x+5) = 36

Answers

It’s C because he had 5 new rocks and gave half away
The answer is D❤️ hope you have a good day

One pump can fill a gasoline storage tank in 8 hours. With a
second pump working simultaneously, the tank can be filled in 3
hours. How long would it take the second pump to fill the tank
operating alone?

Answers

Answer:

eight hours long to operate

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