4 years ago

How do you turn a percent into a ratio??

Mathematics

1 answer:

KengaRu [80]4 years ago

7 0

So like 63:100 is like 63%

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25 pts will award brainliest

Elena-2011 [213]

Answer:

x = 2 and y = 0

Step-by-step explanation:

x - 2y = 2

3x + y = 6

using the substitution method, we solve the first equation for 'x' to get

x = 2y + 2

plug that into 'x' in the second equation

3(2y + 2) + y = 6

6y + 6 + y = 6

7y = 0

y = 0

find 'x':

3x + 0 = 6

x = 6/3

x = 2

4 0

3 years ago

Read 2 more answers

Do number one please and make sure to show your work thank you

kakasveta [241]

Answer:

24.9

Step-by-step explanation:

Law of cosines is : $a^2 = b^2 + c^2 - 2bc(cos(A))$

Plug in 23 and 15 for b and c, and 23 for A

$a^2 = 23^2 +15^2 - 2(23*15)(cos(23))$

Simplify

$a^2 = 254 -690cos(23)$

Simplify

$a= \sqrt{254 -690cos(23)\}$

Solve

approx . 24.9

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4 years ago

Data are collected about the amount of time, in minutes, each member of a dance troupe spend practicing. How does a single outli

Neporo4naja [7]

A single outlier causes the value of the median to move slightly away

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4 years ago

Ámmar hikes 2 3/4 miles of nature trail in 1 hour and 15 minutes. How many miles of trail does ammar hike per hour?

Grace [21]

Ammar hikes the trail at 2.2 mph.

Hope this helps (:

6 0

3 years ago

Find the modulus and argument of the complex number in the picture

sweet-ann [11.9K]

Since $e^{ix}=\cos x+i\sin x$ , you have

$\dfrac{(\sin x-i\cos x)^3}{(\cos x+i\sin x)^5}=\dfrac{(-ie^{ix})^3}{(e^{ix})^5}=\dfrac{ie^{3ix}}{e^{5ix}}=ie^{-2ix}$

So, $|ie^{-2ix}|=|e^{-2ix}|=1$ and the argument is $-2x$ .

4 0

3 years ago