Simplify the following expression: 1 2 ( 18 t ) + 2 t ( 9 ) − 12 .

Answers

Answer 1

Answer:

Hi! The answer to your question is 234t-12

Step-by-step explanation:

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☆Brainliest is greatly appreciated!☆

Hope this helps!!

- Brooklynn Deka

Answer 2

Answer:

234t - 12

Step-by-step explanation:

12(18t) + 2t (9) - 12

12× 18t + 2t × 9 - 12

216t + 18t - 12

234t - 12


Related Questions

Guided Practice

Which number is a solution of the inequality?

IT'S NOT B. 2

3x – 7 > – 1


A.
0


B.
2


C.
5

Answers

Answer:

A

Step-by-step explanation:

3x – 7 > – 1

3x > 6

x < 2

Mariah will deposit $1,530 in an account that earns 6% simple interest every year. Her
sister Isabel will deposit $1,500 in an account that earns 8% interest compounded
annually. The deposits will be made on the same day, and no additional money will be
deposited or withdrawn from the accounts. Which statement about the balances of
Mariah's account and Isabel account at the end of the 3 years is true?

Answers

Answer:

After 3 years Mariah will have $1,805.40 while her sister Isabel will have $1,889.56.

Step-by-step explanation:

Since Mariah will deposit $ 1,530 in an account that earns 6% simple interest every year, while her sister Isabel will deposit $ 1,500 in an account that earns 8% interest compounded annually, and the deposits will be made on the same day, and no additional money will be deposited or withdrawn from the accounts, to determine the balances of Mariah's account and Isabel account at the end of the 3 years the following calculations must be performed:

Mariah:

1,530 + ((1,530 x 0.06) x 3) = X

1,530 + (91.8 x 3) = X

1,530 + 275.4 = X

1,805.4 = X

Isabel:

1,500 x (1 + 0.08 / 1) ^ 3x1 = X

1,500 x 1.08 ^ 3 = X

1,500 x 1,259712 = X

1,889.568 = X

Therefore, after 3 years Mariah will have $ 1,805.40 while her sister Isabel will have $ 1,889.56.

Puzzle Three
You are starting a savings account for college. You put
$1,000 in as your starting balance. You can simple
interest at 10% every year. You also must pay 30%
income tax on the interest earned annually. Calculate
the interest, balance, tax paid, and the overall balance
of the account after taxes. To break the code determine
the accounts overall balance for year 5 after taxes after
been paid.
10% Overall 30% Tax Overall
Interest Balance
Balance
after taxes
Year 1
Year 2
Year 3
Year 4
Year 5

Answers

Answer:

I think its Balance.

Step-by-step explanation:

What is the volume of a hemisphere with a diameter of 8.6 ft, rounded to the nearest tenth of a cubic foot?

Answers

Answer:

166.52 cubic feet.

Step-by-step explanation:

We can Know the volume of a by using the expression below

V =[ (4/3)πr^3] .............eqn(1)

Given Diameter= 8.6 ft

radius= Diameter/ 2 = (8.6 ft)/2 = 4.3 ft

Eqn(1) gives the formula for volume of a WHOLE sphere, but what we need is

HALF of whole sphere, then we have

V =[ (4/3)πr^3] / 2

Then eqn(1) becomes [ (2/3)πr^3]

Volume of hemisphere

= [ (2/3)πr^3].....eqn(2)

If we substitute into eqn(2) we have

Radius= 4.3 ft

V(hemisphere) = (2/3)π(4.3)^3

= 166.52 cubic feet.

Hence, the volume of a hemisphere is

166.52 cubic feet.

John is flying a kite at an angle of 65 degrees with the ground. If the kite's height is 70 feet
off the ground, how long is the string?

Answers

Answer:

77 feet

Step-by-step explanation:

PLEASE HELP LAST ONE

Answers

Answer:

H=22.5 in

The answer is A

Step-by-step explanation:

Sin(60)=h/26 where h is the height we are interested in

Multiply both side by 26

26*Sin(60) = H

H=22.5 in

the answer is A

Gretta wrapped 15 presents every 20 hours. At that rate, how long, in hours, will it take to wrap 18 presents? label optional​

Answers

Answer:

[tex]15 \: presents = 20 \: hours \\ 18 \: presents = ( \frac{18}{15} \times 20) \: hours \\ = 24 \: hours[/tex]

Time required to wrap 1 present

20/154/3h

Tkme to wrap 18 present

18(4/3)6(4)24h

A family wants to rent a car to go on vacation. Company A charges ​$70.50 and 18¢ per mile. Company B charges ​$40.50 and 10¢ per mile. How much more does Company A charge for x miles than Company B​?

Answers

Answer:

add them together

Step-by-step explanation:

Find the range of the relation.
O {-4,4}
O {-4, -2, 0, 2,4}
O {-7, -4,-1, 2,5)
O {-7. -4, -2, -1, 0, 2, 4, 5)

Answers

d the last option ......

please hurry. only answer if you know the answer. thank you! <3

Answers

Answer: 8/17

Step-by-step explanation:

sohcahtoa

Sin= Opposite/Hypotenuse

Cosine= Adjacent/Hypotenuse

Tan= Opposite/Adjacent

8 is the adjacent, 17 is the hypotenuse

8 1/6 * 2^2 = 32 1/2
Work out the exact value of x.

Answers

Answer:

For short Go all the down

Conversion a mixed number 8 1/4

to a improper fraction: 8 1/4 = 8 1/4

= 8 · 4 + 1/4

= 32 + 1/4

= 33/4

 

To find new numerator:

a) Multiply the whole number 8 by the denominator 4. Whole number 8 equally 8 * 4/4

= 32/4

b) Add the answer from previous step 32 to the numerator 1. New numerator is 32 + 1 = 33

c) Write a previous answer (new numerator 33) over the denominator 4.

Eight and one quarter is thirty-three quarters

Conversion a mixed number 3 2/5

to a improper fraction: 3 2/5 = 3 2/5

= 3 · 5 + 2/5

= 15 + 2/5

= 17/5

To find new numerator:

a) Multiply the whole number 3 by the denominator 5. Whole number 3 equally 3 * 5/5 = 15/5

b) Add the answer from previous step 15 to the numerator 2. New numerator is 15 + 2 = 17

c) Write a previous answer (new numerator 17) over the denominator 5.

Three and two fifths is seventeen fifths

Subtract: 33/4

- 17/5

= 33 · 5/4 · 5

- 17 · 4/5 · 4

= 165/20- 68/20

= 165 - 68/20

= 97/20

For adding, subtracting, and comparing fractions, it is suitable to adjust both fractions to a common (equal, identical) denominator. The common denominator you can calculate as the least common multiple of both denominators - LCM(4, 5) = 20. In practice, it is enough to find the common denominator (not necessarily the lowest) by multiplying the denominators: 4 × 5 = 20. In the next intermediate step, the fraction result cannot be further simplified by canceling.

In words - thirty-three quarters minus seventeen fifths = ninety-seven twentieths.

Conversion a mixed number 2 1/3

to a improper fraction: 2 1/3 = 2 1/3

= 2 · 3 + 1/3  

= 6 + 1/3  

= 7/3

To find new numerator:

a) Multiply the whole number 2 by the denominator 3. Whole number 2 equally 2 * 3/3

= 6/3

b) Add the answer from previous step 6 to the numerator 1. New numerator is 6 + 1 = 7

c) Write a previous answer (new numerator 7) over the denominator 3.

Two and one third is seven thirds

Subtract: 7/3  - 1/4  

= 7 · 4/3 · 4 - 1 · 3/4 · 3  

= 28/12- 3/12

= 28 - 3/12

= 25/12

For adding, subtracting, and comparing fractions, it is suitable to adjust both fractions to a common (equal, identical) denominator. The common denominator you can calculate as the least common multiple of both denominators - LCM(3, 4) = 12. In practice, it is enough to find the common denominator (not necessarily the lowest) by multiplying the denominators: 3 × 4 = 12. In the next intermediate step, the fraction result cannot be further simplified by canceling.

In words - seven thirds minus one quarter = twenty-five twelfths.

Subtract: the result of step No. 3 - the result of step No. 5 = 97/

20  - 25/12  

= 97 · 3/20 · 3  - 25 · 5/12 · 5  

= 291/60  - 125/60

= 291 - 125/60

= 166/60

= 2 · 83/2 · 30

= 83/30

For adding, subtracting, and comparing fractions, it is suitable to adjust both fractions to a common (equal, identical) denominator. The common denominator you can calculate as the least common multiple of both denominators - LCM(20, 12) = 60. In practice, it is enough to find the common denominator (not necessarily the lowest) by multiplying the denominators: 20 × 12 = 240. In the next intermediate step, , cancel by a common factor of 2 gives 83/30

In words - ninety-seven twentieths minus twenty-five twelfths = eighty-three thirtieths.

Step-by-step explanation:

83/30 is the awnser

Shana picked 18 apples, which was three-quarters of what Nancy picked. Let n be the number
of apples Nancy picked. Write an equation involving n and solve it to find the number of
apples that Nancy picked.

Answers

Answer:

Step-by-step explanation:

3/4n=18

n=24

name the following polynomial expression.

[tex] {4x}^{2} + x - 3 [/tex]

Answers

Answer:

Step-by-step explanation:

It has 3 terms so it is a trinomial.

It can also be called a quadratic.

Answer:

a trinomial.

If that is what ur asking for

Step-by-step explanation:

Write three to four sentences explaining how the structures rosa parks uses in her memoir help her share her past experience

Answers

Parks wants to share her point of view about a challenging time in history. ... She also uses chronological structures to explain the order of events that she narrates in MY STORY. Her memoir let's her share her first-person perspective in a way that other types of narration cannot.

PLS HELP WILL GIVE BRAINLIEST

Answers

Answer:

I am sorry but I do not understand it =(

The average number of mosquitos caught in 36 mosquito traps was 800 per trap. The standard deviation is 100 mosquitos. What is the 99% confidence level for the true mean

Answers

Answer:

uh i think it's 25%

Step-by-step explanation:

The model represents an equation


Solve for X

Answers

Answer:

5*(-8)

Step-by-step explanation:

Which TWO fractions are between 0.41 and 61%?
A. 2/5
B. 3/5
C. 1/3
D. 9/20

Answers

Answer:

b and d

Step-by-step explanation:

iykyk this is ez day I just did the math and got it

Answer:

B and D.

Step-by-step explanation:

If we divide the numerator by the denominator (i.e. 2 divided by 5 which is 0.4 or 40%) we get decimal points that we can then convert to percentages.

A. 2 divided by 5 is 0.4 or 40%.

B. 3 divided by 5 is 0.6 or 60%.

C. 1 divided by 3 is approx. 0.33 or approx. 33.33%.

D. 9 divided by 20 is 0.45 or 45%.

Out of these, the only two fractions that are between 0.41 and 61% are B and D.

Hope it helped!

Nick and Jay emptied their piggy banks and found they had $11, all in nickels and dimes. How many of each did they have if they had 156 coins?

Please show work, thank you!

Answers

Answer:

92 nickels and 64 dimes

Step-by-step explanation:

5n+10d=1100

n+d=156

n+2d=220

d=64

n=92

PLEASE SOMEONE HELP ME!!!

Answers

The correct answer is 120

how to solve 12x-y=37 and -5x-y=-14 using elimination method and please show work

Answers

Answer:

x = 3, y= -1

Step-by-step explanation:

12x-y=37

-5x-y=-14

12x-y=37

-1(-5x-y)=-1(-14)

12x-y+5x+y=37+14

17x = 51

(17x)/17 = 51/17

x = 3

12(3)-y=37

36-y=37

-y = 1

y = -1

hey peeps i'll give you a brainliest & 25 pts for these answers plss help a dum b b out <333

Answers

you know that your line is perpendicular to the line with equation y equals 3x + 5 right whenever a line is perpendicular to another perpendicular not parallel to the line has a negative slope of the other line for example if you had a line with slope 2 x in the line perpendicular to that would have slope -1 / 2X so then you line in your question has slope -1 / 3 x by doing the Rococo of 3 and adding a negative sign to your equation sulfur looks like this y equals negative 1 / 3 x + B where is B is a constant 3 all you have to do is solve for b is a plug in the coordinate values 6 equals x minus -2 equals one in rearrange y equals -1 / 3 x + B negative two equals negative one over three 6 plus b negative two equals negative two plus be there for me easy roast F4U equation of the line is y equals -1 / 3 x

Please help-will give brainlist

Answers

Answer:

19.6

Step-by-step explanation:

The circumference is 10 m so the closest answer is A

Answer:

The answer is B

Step-by-step explanation:

This is because to find circumference the formula is r2π. The radius 5 times 2 = 10. Then to get an approximation from pi you sue 3.14. 10 x 3.14 = 13.4.

Hope this helps.

A mixture contains 3.7 × 10–6 grams of carbon powder and 0.000092 grams of ammonium carbonate.

What is the difference in the amounts of carbon powder and ammonium carbonate?

Answers

Answer:

The difference in the amounts of carbon powder and ammonium carbonate is [tex]88.3\times 10^{-6}[/tex] grams.

Step-by-step explanation:

According to this statement, we have a mixture with [tex]3.7\times 10^{-6}[/tex] grams of carbon powder and [tex]92\times 10^{-6}[/tex] grams of ammonium carbonate. The difference between those amounts consist in subtracting the latter quantity for the former one. That is:

[tex]\Delta m = 92\times 10^{-6}\,g \,-\,3.7\times 10^{-6}\,g[/tex]

[tex]\Delta m = 88.3\times 10^{-6}\,g[/tex]

The difference in the amounts of carbon powder and ammonium carbonate is [tex]88.3\times 10^{-6}[/tex] grams.

3x - 7 (4+2x) = -x +2

Answers

Answer:

x=11

I think

Step-by-step explanation:

Answer:

-3

Step-by-step explanation:

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

x = − 3

i just need to know what the answer is pls help!! ty!!

Answers

Answer:

Tangent is the answer.

Hope it helps!!!

All right so i need someone to walkthrough the way to do this cause i'm lost. please do it step by step! Thanks!

Answers

Step-by-step explanation:

Hey there! Your answer :-

The skeletal formula of a quadratic equation is :-

[tex]\sf{ax^2 + bx + c}[/tex]

According to this question, we have :-

[tex]\sf{3x^2 + 8x + 4}[/tex]

So, the answers :-

a = 3b = 8c = 4

Hope it helps :) Best of luck for your future!

Dexter ran 5 miles as part of his training. How many yards did he run?

Answers

Answer:

8800 yards

Step-by-step explanation:

The total number of yards ran by Dexter for his training is given by the equation A = 8800 yards

What is unit conversion?

In order to translate measurements of a particular amount between different units, a mathematical conversion factor is usually used. This modifies the measurement of the quantity without altering its effects.

The particular circumstances or the intended result control the conversion process. This may be governed by law, a contract, a list of technical specifications, or other publicly available standards.

A precise conversion from one system to another is necessary for some measures in order to maintain the precision of both the original measurement and the conversion.

Based on the connection between a particular pair of original units and a particular pair of target units, each conversion factor is chosen.

Given data ,

Let the total number of yards ran by Dexter be A

Now , the total number of miles ran by Dexter = 5 miles

where from the unit conversion ,

1 mile = 1760 yards

So , the total number of yards ran by Dexter for his training A = 5 x 1760

The total number of yards ran by Dexter for his training A = 8800 yards

Hence , the number of yards is 8800 yards

To learn more about unit conversion click :

https://brainly.com/question/19420601

#SPJ3

Two right rectangular prism‘s are shown below

Answers

Answer:

need a image to answer this

What is 75% of 44 cookies

Answers

Answer: 33 cookies.

Step-by-step explanation: To find the 75% of 44 cookies, use these steps:

Step 1: Our output value is 44.

Step 2: We represent the unknown value with x.  

Step 3: From step 1 above, 44 = 100%.

Step 4: Similarly, x = 75%.

Step 5: This results in a pair of simple equations:

44 = 100%(1)x = 75%(2)

Step 6: By dividing equation 1 by equation 2 and noting that both the RHS (right-hand side) of both equations have the same unit (%); we have:

[tex]\frac{44}{x} \\[/tex] = [tex]\frac{100 percent}{75 percent}[/tex]

Step 7: Again, the reciprocal of both sides gives:

[tex]\frac{x}{44}[/tex] = [tex]\frac{75}{100}[/tex]x = 33

Therefore, 75% of 44 is 33. Thus, it is 33 cookies.

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