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3 years ago

What is the value of x/3y, when x = 18 and y = 3? A. 3/18 B. 2 C. 3 D. 6

Mathematics

1 answer:

Eva8 [605]3 years ago

3 0

All we need to so substitute and simplify:

18/3(3)

18/9

Best of Luck!

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12 + 2x - x = 9x + 6 <br><br><br> I need help!!

stich3 [128]

Answer:

3/4

Step-by-step explanation:

Start by simplifying (2x-x) to just (x)

The equation should now look like this: 12+x=9x-6

Now subtract the x on the left side of the equation on both sides.

The equation should now look like this: 12=8x-6

Now add 6 on both sides

The equation should now look like this: 6=8x

To get x by itself you must divide 8 on both sides

The equation should now look like this 6/8=x

Don't forget to simplify your fractions!

6/8 simplified is 3/4, giving you the answer 3/4

3 0

3 years ago

a pencil cells at 18 Ghana cedis in an eraser class at 12 Ghana cedis how much will you pay if you buy three pencils and for era

antiseptic1488 [7]

You mean "four" erasers instead of "for" erasers which i corrected and solved.

Answer: You will pay 102Ghana cedis

Step-by-step explanation:

a pencil cells at 18 Ghana cedis

Three pencils will cost 3 x 18Ghana cedis=54 Ghana cedis

Also an eraser class at 12 Ghana cedis

Four erasers will cost 4 x 12 =48Ghana cedis

Total amount for three pencils and for erasers =54 Ghana cedis+48Ghana cedis=102Ghana cedis.

7 0

3 years ago

It requires 15 gallons of mulch to cover 5 flowerbeds. How many gallons are needed to cover 7 flowerbeds?

vaieri [72.5K]

21 gallons at least are required

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3 years ago

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It took 20,000 workers to build the Taj Mahal in 20 years. How many workers would be required to build it in 10 years?

omeli [17]

Answer:

40,000 workers

Step-by-step explanation:

This question deals with simple rates proportion.

If it takes 20 years for X workers to complete a job,

if we double the amount of workers, we will take half the time.

hence to halve the time from 20 years to 10 years, we will need to double the amount of workers.

In this case we will need 20,000 workers x 2 = 40,000 workers

4 0

3 years ago

Read 2 more answers

ε = {x: 2 x 30, x is an integer}, M = {even numbers}, P = {prime numbers}, T = {odd numbers} Find: I) MUP ii) M - T iii) P(MT) i

mariarad [96]

Answer:

Step-by-step explanation:

ε = {x: 2≤ x ≤30}

M = { even numbers} = {2,4,6,8,10,12,14,16,18,20,22,24,26,28,30}

P = { prime numbers} = {2,3,5,7,11,13,17,19,23,29}

T = {odd numbers} = {3, 5, 7, 9, 11,13,15,17,19,21,23,25,27,29}

1. M ∪ P = {2,3,4,5,6,7,8,10,11,12,13,14,16,17,18,19,20,22,23,24,26,28,29,30}

2. M - T =

n(M) - n(T)

15- 14 = 1

3. P(MT)

(MT) = M ∩ T = 0

P ∪ (M ∩ T ) = {2,3,5,7,11,13,17,19,23,29}

4. P' = not a prime number

T' = not odd number = M

P' ∪(M∩T')

P' ∪ {2,4,6,8,10,12,14,16,18,20,22,24,26,28,30}

= {2,4,6,8,9,10,12,14,15,16,18,20,21,22,24,25,26,27,28,30}

6 0

3 years ago