MATHEMATICS MIDDLE SCHOOL

I need this answered by 8:45 a.m. PDT time. Two radio stations are playing this week's #1 hit song. One radio station plays the song every 18 minutes. The other radio station plays the song every 24 minutes. Both stations play the song at 3:00 P.M. When is the next time the stations will play the song at the same time? Explain.

Answers

Answer 1

Answer:

At 4:12 P.M.

because 18×4=72 and 24×3= 72 and this is the first number that they share.

Answer 2

Answer:

Answer:

4:12 pm

Step-by-step explanation:

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What is 87628 divided by 931?

Answers

487,628 ÷ 931 = 94.12244897959184

Round the decimal. 94 stays 94 because 0.1 is less than 5.

94.122448 i looked it up on the caculator lol

One radian is the exact same measure for all circles?
true or false

Answers

The answer is True.

One radian is the central angle that subtends an arc length of one radius (s = r). Since all circles are similar, one radian is the same value for all circles. The arc measure of the central angle of an entire circle is 360º and the radian measure of the central angle of an entire circle = 2π.

An industrial cleaner is manufactured using only the 3 secret ingredients A, B, and C, which are mixed in the ratio of 2:3:5, respectively, by weight. How many pounds of secret ingredient B are in a 42-pound (net weight) bucket of this cleaner?A. 4.2
B. 12.6
C. 14.0
D. 18.0
E. 21.0

Answers

Answer: The correct option is (B) 12.6.

Step-by-step explanation: Given that an industrial cleaner is manufactured using only the 3 secret ingredients A, B, and C, which are mixed in the ratio of 2 : 3 : 5 respectively, by weight.

We are to find the number of pounds of the secret ingredient B that are in a 42-pound bucket of this cleaner.

Let the quantities of the ingredients A, B and C in the cleaner be 2x, 3x and 5x respectively.

Then, according to the given information, we have

$2x+3x+5x=42\n\n\Rightarrow 10x=42\n\n\Rightarrow x=(42)/(10)\n\n\Rightarrow x=4.2.$