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Hoochie [10]
3 years ago
6

Could someone help me with this please and thank you!! Will mark and star!!

Mathematics
1 answer:
timurjin [86]3 years ago
8 0
The rule for expressing a radical as a rational exponent is as follows:
\sqrt[n]{x^y} = x^ \frac{y}{n}
So, to find \sqrt[3]{27x^2y^3z^4} use that rule.
The cube root of 27 is 3, so the equation will start with 3.
3x^ \frac{2}{3} yz^ \frac{4}{3}
Hope that helps!
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Tan^2 0+Tan^2 30+Tan^2 60+Sin^2 0​
Ksenya-84 [330]

Answer:

2.996519411885697

Step-by-step explanation:

\tan(20)  +  \tan(230)  +  \tan(260)  +  \sin(20)  = 2.996519411885697

mark me brainliest

5 0
3 years ago
-2(-12)(-8) PLZ I NEED HELP WITH THIS ONE>
otez555 [7]
Step1:use the rules for multiplication
-2x(-12)x(-8)
Step2:Multiply
-(2x12x8)
Step3:multiply
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Solution:
-192
7 0
3 years ago
A line parallel to one side of a triangle, and intersects the other two sides, divides the other two sides proportionally.
vesna_86 [32]
The answer would be a
6 0
4 years ago
Read 2 more answers
8. Given the standard deviation of 16 for a population and a 95% confidence level, find the margin
Kazeer [188]

Answer:

4.0486

Step-by-step explanation:

The margin of error is calculated using  E=z_{\frac{\alpha}{2} }*\frac{\sigma}{\sqrt{n} }

Where n=60 is the sample size and \sigma=16 is the population standard deviation.

The critical value corresponding to 95% confidence interval is z_{\frac{\alpha}{2}}=1.96

We substitute the values to obtain;

E=1.96*\frac{16}{\sqrt{60} }

E=1.96*2.06559=4.0486

3 0
3 years ago
A playground slide is 14.5 feet long with an 8.5-foot tall ladder. What is the measure of the angle that the slide makes with th
Vera_Pavlovna [14]
8.5 is opp of the angle and 14.5 is the hypotenuse.
Sin(X) = opp/hyp
or you can use Sin-1(opp/hyp) = X
Sin-1(8.5/14.5)=X
X= 35.8 or 36 rounded 
8 0
3 years ago
Read 2 more answers
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