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vovangra [49]
2 years ago
7

Graphically, a point is a solution to a system of two inequalities if and only if the point

Mathematics
1 answer:
AnnyKZ [126]2 years ago
7 0

9514 1404 393

Answer:

  (c)  lies in the shaded regions of both the top and bottom inequalities.

Step-by-step explanation:

A point that is a solution to the system must be a solution to all of the inequalities in the system. It must lie in the shaded regions of both.

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The fraction closest to 4/5 is<br> A.2/3<br> B.7/9<br> C.8/11<br> D.5/8
gtnhenbr [62]

Answer:

It would be C

Step-by-step explanation:

The fraction equal to 4/5 is 8/10 so closest to 8/10 is 8/11

7 0
2 years ago
Income tax returns show that the mean income of self-employed persons in a particular year was £15,000, with a standard deviatio
DochEvi [55]

Answer:

Yes, There is significant difference.

Step-by-step explanation:

Null Hypothesis , H0 : Mean income = 15000

Alternate Hypothesis , H1 : Mean income  ≠  15000

t = (x - u) / ( s / √n)

x = sample mean = 14500 here, u = population mean = 15000 here ,             s = standard deviation =  975 here  , n = sample size

t = (14500 - 15000) / (975 / √169)

-500 / 75 = - 6.66

As  calculated t value in absolute terms is > 1.96 , ie tabulated value at 95% significance level (two sided). So we reject the null hypothesis in favor of alternate hypothesis. Hence, we state that 'Mean Income ≠  15000'

6 0
3 years ago
7. A=15; b= (blank); c= 17
kondor19780726 [428]

Answer:b is 16

Step-by-step explanation:a is 15 and c is 17. So what comes in between those numbers, exactly 16

6 0
3 years ago
Any help would be appreciated. (Check the picture)
White raven [17]

the answer would be 0.800375 but when you round it to the nearest tenth it would be 0.8

4 0
3 years ago
Can someone help with this problem please.
Solnce55 [7]

The area of the shaded triangle formed as the result of the overlap is = 62.35 inches ²

<h3>Calculation of the equilateral triangle</h3>

After folding the rectangle with length of 12 inches and width of 18 inches, an equilateral triangle was formed.

An equilateral triangle is a type of triangle where by all the three sides are equal.

To determine the value of one of the sides, CB or CD is used because the folding didn't affect these sides.

Using the formula for the area of an equilateral triangle,

A = √¾ a²

a= 12 inches

A = √¾ ×12²

A = 62.35 inches ²

Learn more about triangle here:

brainly.com/question/1058720

#SPJ1

3 0
2 years ago
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