A painter uses 2 tubes of black paint for every 6 tubes of white paint to paint a mural.At that rate, how many tubes of black paint are used if 15 tubes of white paint are used?

Answers

Answer 1

Answer: For 14 tubes of black paint 42 tubes of white paint are needed.
The to get the extra tube you have to think that half of 2 is 1 and half of 6 is 3 .
so you add 3 and 42 and you get 45

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The rosebushes in Pattie's Plant Store have the following colors: • 20% yellow blooms. • 50% red blooms. • 30% pink blooms. If George selected a rosebush at random today, what is the probability that it will produce yellow blooms?

Answers

the answer to that is one fifth

What is the greatest common factor of 7 21 and 70

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Answer:

1470

Step-by-step explanation:

I am pretty sure that this is the answer.

Tell me if i am wrong.

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What is 47/9 in simplest form?

Answers

its simplest is 5 2/9

The answer is............ 5 2/9

Find the value of: $27x^(3)+8 y^(3)$ if 3x+2y = 20 and xy = $(14)/(9)$

Answers

$27x^3+8y^3=(3x)^3+(2y)^3=(3x+2y)[(3x)^2-3x\cdot2y+(2y)^2]\n\n=(3x+2y)[(3x)^2+2\cdot3x\cdot2y+(2y)^2-3\cdot3x\cdot2y]\n\n=(3x+2y)[(3x+2y)^2-18xy]=(*)\n---------------------------\n3x+2y=20\n\nxy=(14)/(9)\n------------------------------\n(*)=20\cdot(20^2-19\cdot(14)/(9))=20\cdot(400-18\cdot(14)/(9))=20\cdot(400-2\cdot14)\n\n=20\cdot(400-28)=20\cdot372=7440$

$a^3+b^3=(a+b)(a^2-ab+b^2)\n\n(a+b)^2=a^2+2ab+b^2$

a museum employee surveys a random sample of 350 visitors to the museum. Of those visitors, 266 stopped at the gift shop. Based on these results , about how many people out of the 2300 visitors would be expected to stop at the gift shop?