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2 years ago

Are the ratios 14:20 and 1:2 equivalent?

Mathematics

2 answers:

Nady [450]2 years ago

4 0

Step-by-step explanation:

dam.nnnnn nooooooooooo

aksik [14]2 years ago

3 0

Answer:

Step-by-step explanation:

14:20 is equivalent to 28:40.

1:2 is equivalent to 2:4.

14:20 would have to be 5:10 for both of those to be correct.

Hope this helped! :)

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Write the vector v in terms of i and j whose magnitude ||v|| and direction 0 are given. ||v|| = 4, 0 = 315 degree v= (Type your

victus00 [196]

Answer:

v = 2√2i -2√2j

Step-by-step explanation:

v = ||v||·cos(θ)i +||v||·sin(θ)j

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3 years ago

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aniked [119]

Answer:

Step-by-step explanation:

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3 years ago

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Which of the following expressions is equivalent to the expression below 4(2x+11-x)

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4(2x+11-x)
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4 years ago

It was recently estimated that females outnumber males by about three or two. If there are 1770 people in a county, how many of

max2010maxim [7]

GIVEN

1) Females outnumber males by 3 to 2.

2) There are 1770 people in the city.

SOLUTION

Let the number of males be x and the number of females y. Therefore, the total number of people can be written to be:

$x+y=1770\text{ -----------(1)}$

If there are 3 females for every 2 males, we have that:

$\begin{gathered} \frac{y}{3}=\frac{x}{2} \\ \therefore \\ x=\frac{2y}{3}\text{ ----------(2)} \end{gathered}$

We can substitute equation (2) into equation (1) and solve for y:

$\begin{gathered} \frac{2}{3}y+y=1770 \\ \frac{2y+3y}{3}=1770 \\ 5y=1770\times3 \\ 5y=5310 \end{gathered}$

Dividing both sides by 5, we have

$y=1062$

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1 year ago

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Is there supposed to be an image? Adjacent is adjoining, so like touching each other. Vertical is "up". Horizontal is "side"

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3 years ago

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