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Reil [10]
2 years ago
11

Give a ratio equivalent to 4/8

Mathematics
2 answers:
Gre4nikov [31]2 years ago
5 0

Step-by-step explanation:

\frac{4}{8}  =  \frac{5}{10}  =  \frac{6}{12}  \\

mariarad [96]2 years ago
4 0

Answer:

6/12

Step-by-step explanation:

no explanation needed

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Martina chose a random sample of 10 bags of candy from two different Brands, A and B. All bags in the sample are the same size.
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B. The number of candies in the bags from Brand B is greater and less consistent than the number of candies in the bags from Brand A.

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Data Set: 13, 1, 18, 20, 18<br> • Mean =<br> Median =<br> • Mode =<br> • Range -<br> • Outlier -
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What is the distance between the sandbox and garden
elena55 [62]
For this case, the first thing we must do is apply the law of the sine.
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6 0
3 years ago
1. If $18,000 is invested at 6% compounded monthly, what is the amount after 7 years?
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8 0
3 years ago
Please please helpplpplpol
tresset_1 [31]

Answer: -4/5

Step-by-step explanation:

Ok so cos(x) = -4/5 and we know that:

sin^2(x) + cos^2(x) = 1.

If we plug that in and solve for sin(x) we get:

sin^2(x) = \frac{9}{25} \\sin(x) = \frac{3}{5}

Now we have to consider: <em>is sin(x) positive or negative?</em>

We have that \pi  < x < \frac{3\pi }{2}.

From the unit circle, we know that sin(x) is negative in this range. Therefore sin(x) actually equals -3/5.

But the question asks: <em>what is sin(x + \frac{\pi }{2})?</em>

Here's where another important equation comes in:

sin(\alpha  + \beta ) = sin(\alpha)cos(\beta) + cos(\alpha)sin(\beta)

In this case, we have alpha = x and beta = pi/2.

So, that looks like:

sin(x + pi/2 )= sin(x)cos(pi/2) + cos(x)sin(pi/2)

We already have what sin(x) and cos(x) are. We also know that sin( pi/2) = 1 and cos(pi/2) = 0.

sin(x  + pi/2 ) = (-3/5)(0) + (-4/5)(1).

Therefore we simply have

sin(x + pi/2) = -4/5

7 0
3 years ago
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