Of 48 orchestra members 30 are girls what ratio compares the number of boy to girls

Mathematics

1 answer:

ololo11 [35]4 years ago

3 0

You just simplify it down until to the point where you can't and it should be 3:5

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Drag and drop the constant of proportionality into the box to match the table.

NemiM [27]

Answer: it is NOT proportional

Step-by-step explanation: it doesn’t stick to 1 number going up if that makes sense, it’s adding 1 each time it goes up but it has to stick to one number going up making this NOT proportional

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3 years ago

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A study of telephones and the risk of brain cancer looked at a group of 469 people who have brain cancer. The investigators matc

Svetlanka [38]

This is an A. <span>observational study. They are observing the use of cell phones differs between people with or without cancer.

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3 years ago

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Basile [38]

Answer:

$x=8\frac34\ \,,\quad y=8\frac12$

Step-by-step explanation:

$\Delta TRS\sim \Delta LJK \quad\implies\quad \dfrac{|TR|}{|LJ|}=\dfrac{|RS|}{|JK|}=\dfrac{|ST|}{|KL|}\\\\\dfrac{4}{7}=\dfrac{5}{x}=\dfrac{6}{y+2}\\\\\\\dfrac{4}{7}=\dfrac{5}{x}\quad\implies\quad4x=5\cdot7\quad\implies\quad x=\dfrac{35}4=8\frac34\\\\\\\dfrac{5}{x}=\dfrac{6}{y+2}\quad\implies\quad 5(y+2)=6\cdot\dfrac{35}4\\\\5y+10=3\cdot\dfrac{35}2\\\\5y\ =\ \dfrac{3\cdot35}2-10\\ \div5\qquad\quad \div5\\\\y=\dfrac{3\cdot7}2-2=10\frac12-2=8\frac12$

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4 years ago

The SAT mathematics scores in the state of Florida for this year are approximately normally distributed with a mean of 500 and a

creativ13 [48]

99.7%

This is because the likelihood of a point being within 2 SDs of the mean is 99.7%.

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What is the equation of a line that passes through (4, 3) and has a slope of 2? y=2x−11 y=2x−7 y=2x−1 y=2x−5

LenaWriter [7]

Step-by-step explanation:

The coefficient of the x term repesents the slope of the graph.

So we have y = 2x +- ( ).

We have to find our number term, so let's substitute x = 4 and y = 3.

(3) = 2(4) +- ( )

3 = 8 +- ( )

To make this right, the number term must be -5.

3 = 8 - 5

So the equation is y = 2x - 5.

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4 years ago

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