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Nikitich [7]
3 years ago
13

A right triangle has side lengths a,b, and c as shown below. Use these lengths to find sin x, tan x, and cos x.

Mathematics
1 answer:
My name is Ann [436]3 years ago
6 0

Step-by-step explanation:

sinx = a/b

tanx= a/c

cosx= c/b

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Express 17.5m in dm,cm,dam,mm,hm,km
Len [333]

Answer:

17.5 metres

175 decimetres

1750 centimetres

17500 millimetres

1.75 decametres

0.175 hectometre

0.0175 kilometre

Hope it helps,

Pls mark as brainliest answer...

Step-by-step explanation:

4 0
3 years ago
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You want to test your newly created Web site, so you have 250 people access it from random locations at random times. Of the peo
Arte-miy333 [17]

Answer: 505

Step-by-step explanation:

The formula to find the sample size n , if the prior estimate of the population proportion (p) is known:

n= p(1-p)(\dfrac{z}{E})^2 , where E=  margin of error and z = Critical z-value.

Let p be the population proportion of crashes.

Prior sample size = 250

No. of people experience computer crashes = 75

Prior proportion  of crashes p=\dfrac{75}{250}=0.3

E= 0.04

From z-table , the z-value corresponding to 95% confidence interval = z=1.96

Required sample size will be :

n=0.3(1-0.3)(\dfrac{1.96}{0.04})^2 (Substitute all the values in the above formula)

n= (0.21)(49)^2= 0.21\times2401

n= 504.21\approx505   (Rounded to the next integer.)

∴ Required sample size = 505

6 0
3 years ago
Write the numbers in order from least to greatest
spayn [35]

C.) -4, -7/5, 1/6, 1.6, \sqrt{6}


\sqrt{6} = 2.45

1.6

1/6 = 0.167

-7/5 = -1.4

-4

4 0
3 years ago
Please help I will reward brainly
krok68 [10]
Hi there!

Since the sum of all angles in any triangle always adds up to 180 degrees, we can calculate this and solve for x.

4x + x + x = 180°
6x = 180
180 ÷ 6 = x
x = 30

So, now we know that x is 30°.

Hope this helps!
7 0
3 years ago
baseball card come in packs of a dozen 12 cards matt has 132 baseballcards.how many packs of baseball cards did he buy i need he
Hunter-Best [27]
Well let's see first we have to divide
132 divided by 12 is 11
Now to check and prove your answer we should use the multiplication.
11 times 12 is 132.
So now you have a solid answer with proof behind it.
If u need a sentence you might want it to go something like this;
Matt brought 11 packs of baseball cards since 132 divided by 12 is 11. 12 times 11 is 132 cards.
Hope I helped!
5 0
3 years ago
Read 2 more answers
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