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antiseptic1488 [7]
3 years ago
8

10 points!!!!!!!!!!!!!!

Mathematics
2 answers:
Murrr4er [49]3 years ago
7 0

Answer:

B) x^2 - 3/ 3x

Step-by-step explanation:

As, f(x) - g(x) = x/3 - 1/x

So, x^2/ 3x - 3/ 3x

= x^2 - 3/ 3x

tino4ka555 [31]3 years ago
6 0

Answer:

B

Step-by-step explanation:

simplify x/3 - 1/x

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Please help? What is the tangent ratio of angle B?
bearhunter [10]

Answer:

Step-by-step explanation:

The tangent equation = side opposite angle / side beside angle

which in this case is tan\alpha =AC/ BC

which is the third choice

Hope that helps!

5 0
2 years ago
The mayor is interested in finding a 98% confidence interval for the mean number of pounds of trash per person per week that is
saul85 [17]

Solution :

Given :

Sample mean, $\overline X = 34.2$

Sample size, n = 129

Sample standard deviation, s = 8.2

a. Since the population standard deviation is unknown, therefore, we use the t-distribution.

b. Now for 95% confidence level,

   α = 0.05, α/2 = 0.025

  From the t tables, T.INV.2T(α, degree of freedom), we find the t value as

  t =T.INV.2T(0.05, 128) = 2.34

  Taking the positive value of t, we get  

  Confidence interval is ,

  $\overline X \pm t \times \frac{s}{\sqrt n}$

 $34.2 \pm 2.34 \times \frac{8.2}{\sqrt {129}}$

 (32.52, 35.8)

 95% confidence interval is  (32.52, 35.8)

So with $95 \%$ confidence of the population of the mean number of the pounds per person per week is between 32.52 pounds and 35.8 pounds.

c. About $95 \%$ of confidence intervals which contains the true population of mean number of the pounds of the trash that is generated per person per week and about $5 \%$ that doe not contain the true population of mean number of the pounds of trashes generated by per person per week.  

4 0
2 years ago
Given the quantic solve for x . 2x⁵-6x³-4x²+2x+4​
Eva8 [605]
This problem cannot be done because it is not an equation meaning it does not have an “=“
4 0
2 years ago
Jason is making pumpkin bread. He needs 8 cups of pumpkin for every 4 cups of sugar.What is the ratio of cups of sugar to cups o
VladimirAG [237]

Answer:

4:8


Step-by-step explanation:


3 0
3 years ago
Thu wants to play "guess my number".she states,"when I triple my number and add five,I get twenty-six. What's my number?" what i
Mama L [17]
Let's break this up:
let x = the number
"when I triple my number" is the same as
3x
"and add five" is the same as
+5
We combine it to get
3x+5
"I get twenty-six"
=26
combine to get
3x+5=26
Now we just solve:
subtract 5 from both sides to get
3x=21
divide by 3 to get
x=7
6 0
3 years ago
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