MATHEMATICS HIGH SCHOOL

Do you know how to do -2(3x-5)-2x=2(6-3x)

Answers

Answer 1
Answer:

Answer:

no

Step-by-step explanation:

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A gallon of latex paint can cover 300 square feet. Felix has a pentagonal room in which all the sides have the same lenth of 10 feet thr room has a 8 foot celings how many gallon containers of paint does he need to buy to paint two coats on each wall

Answers

area of each wall is 10*8 = 80 square feet
there are 5 walls so total wall area is 5*80=400
he needs two coats on each wall so he needs to cover 2*400=800 square feet

so he needs to buy 3 galon containers

How do you factor k^2-k-56

Answers

(k-8)(k+7) is how you factor is
use the factoring method
(k-8)(k+7)

What is –3 2/3 · (–2 1/4 )?

Answers

-3(2)/(3)\cdot\left(-2\frac{1}4{}\right)=\n--------------------\nnegative\ number\ multiply\ by\ negative\ number\ is\ a\ positive\ number\n--------------------\n-3(2)/(3)\cdot\left(-2\frac{1}4{}\right)=3(2)/(3)\cdot2(1)/(4)=\n------------------------------\n

if you want to multiply mixed numbers you need to turn them into improper fractions

3(2)/(3)\cdot2(1)/(4)=(3\cdot3+2)/(3)\cdot(2\cdot4+1)/(4)=(9+2)/(3)\cdot(8+1)/(4)=(11)/(3)\cdot(9)/(4)=(11)/(1)\cdot(3)/(4)=(11\cdot3)/(1\cdot4)\n\center\boxed{=(33)/(4)=8(1)/(4)}

Johnny Barber took golf lessons. His clubs cost $425, balls cost $12.50, shoes cost $49.50, his golf shirt was $37, and his glove was on sale for $19.95. He paid 5% sales tax on his purchase. His lessons cost $20.00 per lesson for 12 lessons. What is the total cost of his purchase and lessons?A. $811.15
B. $780.70
C. $603.15

Answers

Answer:

The total  cost of the Johnny Barber purchase and lessons is $811.15 .

Option (A) is correct .

Step-by-step explanation:

As given

Johnny Barber took golf lessons.

Johnny Barber clubs cost $425, balls cost $12.50, shoes cost $49.50, his golf shirt was $37, and his glove was on sale for $19.95.

Total purchase cost =  Johnny clubs cost +  Balls cost + Shoes cost + Golf shirt cost + Glove cost

Put all the values in the above

Total purchase cost =  425 +  12.50 + 49.50 + 37 + 19.95

                                 = $ 543.95

As given

Johnny Barber paid 5% sales tax on his purchase.  

5% is written in the decimal form

= 0.05

Thus

Sales tax = 0.05 × Total purchase cost

               = 0.05 × 543.95

               = $ 27.1975

As given

Johnny Barber  lessons cost $20.00 per lesson for 12 lessons.

Total cost of the lesson = 12 × Cost per lesson

                                        = 12 × 20

                                        = $ 240

Thus

Total cost of the Johnny Barber purchase and lessons = Total purchase cost + Sales tax + Total cost of the lessons

Put all the values in the above

Total cost of the Johnny Barber purchase and lessons =  $ 543.95  + $ 27.1975  + $ 240

Total cost of the Johnny Barber purchase and lessons =  $ 811.1475

Total cost of the Johnny Barber purchase and lessons =  $ 811.15 (Approx)  

Therefore the total  cost of the Johnny Barber purchase and lessons is $811.15 .

Option (A) is correct .                                                        
425+49.50+12.50+37+19.95= $543.95

543.95x0.05= $27.20        total= $571.15

12 lessons x $20= $240

grand total of $ 811.15

A particular computer takes 11 minutes to download a 44 minute TV show. How long will it take the computer to download a 1.5 hour movie?

Answers

44/11= 4
4 minutes of the movie are downloaded each minute.
1.5 hours= 90 min
90/4= 22.5 minutes
Divide 44 by 11 which equals 4Then 1.5 is 1 hour and 30 minutes so add 60 +30 Which equals 90Then multiply 90 ×4 = 360 minutes

4/9 of the 270 members of a hunting club are females. How many male members are there ?

Answers

Males = 270 x 5/9 = 1350/9 = 150 males

Hope i become the brainiest.
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