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Svetllana [295]
3 years ago
5

___ L = 240 kL ? A. 24,000 B. 240,000 C. 0.240 D. 2.4

Mathematics
2 answers:
koban [17]3 years ago
6 0
It's b 240000
I'm sorry if wrong I'm not too good at these things
Hitman42 [59]3 years ago
6 0
Answer: B.240,000
240 Kiloliter =240,000 Liter
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Who can solve this 3(35+x)
Studentka2010 [4]

answer: 105+3x

step by step: times 3 by 35 an then 3 times x

5 0
3 years ago
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Nicolette needs 1/3 yard of fabric. Which fraction is equivalent to 1/3
Inessa05 [86]

<u>Answer:</u>

The correct answer is 5/15

<u>Step-by-step explanation:</u>

The only number out of 1/9, 5/15, 2/3, and 15/5, 5/15 is the only equivalent number to 1/3.

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7 0
3 years ago
PLEASE HELP ASAP!!!<br><br> WILL MARK BRAINLIEST
Angelina_Jolie [31]

Answer:

X=7 is your answer.

Step-by-step explanation:

If you look down at the chart, look at f(x) and g(x).

If you see that x=7, f(x) and g(x) both equals 5.

X=7 is your answer.

7 0
3 years ago
The mean of the sample is 24.444 squares with a standard deviation of 2.45 squares. Single-ply toilet paper requires 26 squares
Romashka [77]

Answer:

t = -2.69 , p = 0.0078

Step-by-step explanation:

We have the following data:

Sample Mean = x = 24.444

Sample Standard Deviation = s = 2.45

Sample size = n = 18

Josh wants to test that mean number is lesser than 26. So our test value is 26 i.e.

u = 26

Since Josh wants to test that mean would be fewer than 26, so this would be a left tailed test with a less than sign in Alternate Hypothesis. Therefore, the hypothesis would be:

H_{o}: u\geq 26\\H_{a}: u

Since, we do not know the value of Population standard deviation, and we have the value of sample standard deviation, we will use One-Sample t-test for the population mean.

The formula to calculate the test-statistic would be:

t=\frac{x-u}{\frac{s}{\sqrt{n}}}

Substituting the values in this formula gives us:

t=\frac{24.444-26}{\frac{2.45}{\sqrt{18}}}\\t=-2.69

This means, the test statistic would be -2.69

Since, the sample size is 18, the degrees of freedom would be:

Degrees of freedom = df = n - 1 = 17

To find the p-value we need to check the p-value against test statistic of 2.69, with 17 degrees of freedom and One-tailed test. This value comes out to be:

p-value = 0.0078

Therefore, the correct answer would be:

t = -2.69 , p = 0.0078

4 0
3 years ago
What is the result when 3x^4+6x^3-2x^2-3x+2 is divided by x+1?
zhannawk [14.2K]

Answer:(3x3 + 3x2 + 5x - 1) • (x - 1)

 ——————————————————————————————

             x + 1            

Step-by-step explanation:Step by Step Solution:

More Icon

STEP

1

:

Equation at the end of step 1

 

STEP

2

:

Equation at the end of step

2

:

 

STEP

3

:

           3x4 + 2x2 - 6x + 1

Simplify   ——————————————————

                 x + 1      

Checking for a perfect cube :

3.1    3x4 + 2x2 - 6x + 1  is not a perfect cube

Trying to factor by pulling out :

3.2      Factoring:  3x4 + 2x2 - 6x + 1

Thoughtfully split the expression at hand into groups, each group having two terms :

Group 1:  -6x + 1

Group 2:  3x4 + 2x2

Pull out from each group separately :

Group 1:   (-6x + 1) • (1) = (6x - 1) • (-1)

Group 2:   (3x2 + 2) • (x2)

Bad news !! Factoring by pulling out fails :

The groups have no common factor and can not be added up to form a multiplication.

Polynomial Roots Calculator :

3.3    Find roots (zeroes) of :       F(x) = 3x4 + 2x2 - 6x + 1

Polynomial Roots Calculator is a set of methods aimed at finding values of  x  for which   F(x)=0  

Rational Roots Test is one of the above mentioned tools. It would only find Rational Roots that is numbers  x  which can be expressed as the quotient of two integers

The Rational Root Theorem states that if a polynomial zeroes for a rational number  P/Q   then  P  is a factor of the Trailing Constant and  Q  is a factor of the Leading Coefficient

In this case, the Leading Coefficient is  3  and the Trailing Constant is  1.

The factor(s) are:

of the Leading Coefficient :  1,3

of the Trailing Constant :  1

Let us test ....

  P    Q    P/Q    F(P/Q)     Divisor

     -1       1        -1.00        12.00    

     -1       3        -0.33        3.26    

     1       1        1.00        0.00      x - 1

     1       3        0.33        -0.74    

The Factor Theorem states that if P/Q is root of a polynomial then this polynomial can be divided by q*x-p Note that q and p originate from P/Q reduced to its lowest terms

In our case this means that

  3x4 + 2x2 - 6x + 1

can be divided with  x - 1

Polynomial Long Division :

3.4    Polynomial Long Division

Dividing :  3x4 + 2x2 - 6x + 1

                             ("Dividend")

By         :    x - 1    ("Divisor")

dividend     3x4      +  2x2  -  6x  +  1

- divisor  * 3x3     3x4  -  3x3            

remainder         3x3  +  2x2  -  6x  +  1

- divisor  * 3x2         3x3  -  3x2        

remainder             5x2  -  6x  +  1

- divisor  * 5x1             5x2  -  5x    

remainder              -  x  +  1

- divisor  * -x0              -  x  +  1

remainder                    0

Quotient :  3x3+3x2+5x-1  Remainder:  0

Polynomial Roots Calculator :

3.5    Find roots (zeroes) of :       F(x) = 3x3+3x2+5x-1

    See theory in step 3.3

In this case, the Leading Coefficient is  3  and the Trailing Constant is  -1.

The factor(s) are:

of the Leading Coefficient :  1,3

of the Trailing Constant :  1

Let us test ....

  P    Q    P/Q    F(P/Q)     Divisor

     -1       1        -1.00        -6.00    

     -1       3        -0.33        -2.44    

     1       1        1.00        10.00    

     1       3        0.33        1.11    

Polynomial Roots Calculator found no rational roots

Polynomial Long Division :

3.6    Polynomial Long Division

Dividing :  3x3+3x2+5x-1

                             ("Dividend")

By         :    x+1    ("Divisor")

dividend     3x3  +  3x2  +  5x  -  1

- divisor  * 3x2     3x3  +  3x2        

remainder             5x  -  1

- divisor  * 0x1                

remainder             5x  -  1

- divisor  * 5x0             5x  +  5

remainder              -  6

Quotient :  3x2+5

Remainder :  -6

6 0
2 years ago
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