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Contact [7]
4 years ago
12

Determine the intercepts of the line. 2.c + 5y = -6

Mathematics
1 answer:
CaHeK987 [17]4 years ago
5 0

Hello there,

The equation that is given to us is as follows:

  • 2x + 5y = -6

Now we have to first put this equation in slope intercept form. So first we have to subtract 2x from both sides:

  • 5y = -2x -6

Then we divide both sides by 5:

  • y = -\frac{2}{5} x -\frac{6}{5}

Now that we have put the equation in slope-intercept form we should note that the number in front of the x is the slope and the other number is the y-intercept.

So the y-intercept of the following equation is -\frac{6}{5} .

Hope I helped,

Amna

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Cloud [144]

Answer:

Chi-square = 4.600

Degrees of freedom= 6

there is no evidence to reject hypothesis.

Step-by-step explanation:

H₀ : uniformly distributed

H₁: not uniformly distributed                            

Suppose some value of observed or expected frequency  

Observed frequency : 39 40 30 40 41 49 41     Total: 280

Expected frequency  :  40 40 40 40 40 40 40  Total: 280

Calculated the chi-square value

Chi-square = sigma {(O-E)^2/E}

= 0.025+0.000+2.500+0.000+0.025+2.025+0.025  

 4.600

Degrees of freedom=d f = n-1 = 7-1 = 6

Chi-square for 6 d.f at alpha = 0.05 is 12.59

Chi-square of calculated value < its critical value at alpha = 0.05, we see that there is no evidence to reject hypothesis.

The frequency of Sat is wrongly taken as 41 instead of 51

8 0
3 years ago
С<br> (2x + 19)<br> (3х + 8)<br> А
soldier1979 [14.2K]

Answer:

x=9

Step-by-step explanation:

step one pull out the factors

 3x - 27  =   3 • (x - 9)

and step two: Equations which are never true

2.1      Solve :    3   =  0

This equation has no solution.

A a non-zero constant never equals zero.

so x-9=0 and add both sides to 9 and to equal 9

5 0
3 years ago
Which statements about the Extreme Value theorem are true?
SCORPION-xisa [38]

Answer:

do you have any statments?

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3 years ago
The value of x for the exponential function f(x) = e^x is a set of real numbers?true or false
Fofino [41]

Answer:

a) f(x) = x^2

b) f(x) = x

c) any pair of numbers

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The Penn's Landing Ferry sells deluxe and economy seats for each tour it conducts. In order to complete a tour, at least 28 econ
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The maximum profit for 1 tour would be $2650

if there are 90 seats and 10 deluxe seats must be sold, you have to multiply 10 times 25 which gives you 250.

if there are 90 seats, 10 must be deluxe (which is cheaper), and you are trying to find the max profit for 1 tour, then 80 of the seats must be economy seats. 
to find out how much 80 economy seats would cost you need to multiply 80 times 30 which gives you 2400.

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and $2650 would be the max profit you could make for 1 tour.
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