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Arisa [49]
2 years ago
12

There are 45 students who play a woodwind instrument in the school band. Of these, 18 play the saxophone. What percent of the wo

odwind musicians play the saxophone?
Mathematics
1 answer:
Drupady [299]2 years ago
6 0
40% of students who play the saxophone
18/45= .4 = 4/10*10/10= 40/100= 40%
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Answer:

Part a: C

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Step-by-step explanation:

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What is the equation of the line with a slope of 1/4 and a y-intercept of 2?
ELEN [110]
Equation of the line in slope intercept form is

y = 1/4 * x + 5. Slope is 1/4. Intercept is 5.

If x= 4, y = (1/4)*4 + 5 = 6.

The point (4,6) lies on the line.

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(y - y1)= m * (x - x1) where m is slope & (x1,y1) is point on the line.

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Sanjay C.
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3 years ago
WILL MARK BRAINLIEST PLEASE HELP ME
garri49 [273]

Answer:

<em>4 blue marbles</em>

<u>Skills needed: Number Theory, Fractions</u>

Step-by-step explanation:

1) The problem tells us that the jar contains marbles that are either red, green, or blue (No Other Color).

It also mentions that \frac{2}{5} (\frac{4}{10}) of the marbles are red

and that \frac{1}{10} of the marbles are blue

- The given statement is that 20 marbles are green, and we need to find out the number of blue marbles.

2) We need to first find out the total number of marbles, and then multiply that by \frac{1}{10} to get the # of blue marbles.

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<u />1 - \frac{1}{10} - \frac{4}{10} = \frac{9}{10} - \frac{4}{10}=\frac{5}{10}<u />

<u />\frac{5}{10} \text{ is also } \frac{1}{2}<u />

Half the marbles are green.

3) Let's make the total marbles the variable: m

\frac{1}{2} * m=20 ---> Since half of (of signifies multiplication) the total marbles are green.

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Total number of marbles is 40.

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