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lawyer [7]
3 years ago
5

True or false, there is no solution to the systems of inequalities shown below

Mathematics
2 answers:
miss Akunina [59]3 years ago
8 0
False 
Because if you plot a graph to both the equation as i have attached the image.. you can see there can be multiple solution to the above system of inequalities. 

WARRIOR [948]3 years ago
4 0
False.
there are solutions to this system of inequalities.
-> For a quick check you can take random x, e.g. consider x=0, and substitute it       in the inequality, which gives 
    y<5  and  y>4 . 
    there are infinite number of y satisfying these conditions.
-> You can solve it graphically to get exact solution. draw the line y=3x+5 and          y = -x+4. The common region, below y=3x+5 and above y=-x+4 , is  the solution for the system of inequalities.
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What is -4 3/10 - 8 3/10
nadya68 [22]

Answer:

-12 3/5

Step-by-step explanation:

-4 3/10 - 8 3/10

The signs are the same so we add and then take the sign

4 3/10 + 8 3/10

Add the whole numbers

4+8 = 12

Add the fractions

3/10 + 3/10 = 6/10

Simplify the fraction

6/10 = 3/5

Put them together

12 3/5

Add the sign

-12 3/5

4 0
3 years ago
Read 2 more answers
Fun question: how can you make 11 out of 4 sevens?
Vladimir [108]

Answer: (7+1/7) *(7+7)

Step-by-step explanation:

7 0
3 years ago
12.4. Measure of Dispersion<br>2076 Q.No. 15 Find the standard deviation of: 4, 6, 8, 10, 12.​
Alenkinab [10]

Answer:

Standard deviation of given data = 3.16227

Step-by-step explanation:

<u><em>Step(i)</em></u>:-

Given sample size 'n' = 5

Given data  4, 6,8,10,12

Mean = \frac{4+6+8+10+12}{5} = 8

Mean of the sample x⁻ = 8

Standard deviation of the sample

                  S.D = \sqrt{\frac{Sum(x-x^{-} )^{2} }{n-1}}

<u><em>Step(ii)</em></u>:-

Given data

x          :         4      6       8       10      12

x-x⁻      :      4 - 8   6-8   8-8    10-8    12-8

(x-x⁻)   :        -4      -2     0          2        4

(x-x⁻)²  :        16     4       0         4        16  

 

  S.D = \sqrt{\frac{Sum(x-x^{-} )^{2} }{n-1}}

  S.D = \sqrt{\frac{16+4+0+4+16}{4}}

 S.D = √10 = 3.16227

<u><em> Final answer</em></u>:-

The standard deviation = 3.16227

8 0
2 years ago
School started at 8:05 a.m. and ended at 2:40 p.m. The work below shows Erica’s calculation of the length of the school day.
lisabon 2012 [21]
6 hours and 5 minut3s or so
8 0
3 years ago
What is 17.70 = 7/2m + 13.50 ?
Fantom [35]

<u>answer:</u>  m = 1.2

<u>work:</u>

17.70 = \frac{7}{2} m + 13.50  | subtract 13.50 and move it over

4.2 = \frac{7}{2}m  | divide by 7/2

1.2 = m  | final answer

6 0
3 years ago
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