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Answer:

Step-by-step explanation:

Given the inequalities as

y>-2x+3

y<1/2x-2

Graph the inequalities on the graph tool

The solution is  points in the shaded area such as (2,2),(4,4),(4,2),(2,-2),(2,-4)

The point (-2,3) is not included in the solution area because it is located in the un-shaded area.

Mathematically, taking points (-2,3) into the inequality

y>-2x+3

3>-2(-2) +3

3>4+3

3>7---------------------not correct because 3<7

Answer:

hola :]

Step-by-step explanation:

9514 1404 393

Answer:

  5a,b = 17,576,000; 11,232,000

  6. 45,697,600; 32,292,000

  7. 6,760,000; 3,276,000

  8. 118,813,760; 78,936,000

Step-by-step explanation:

The number of possible ways the characters can occur is the product of the numbers of ways a character can be selected in each position. If letters or digits cannot repeat, the number of possible selections is reduced by 1 in each new location.

5a. 26×26×26×10×10×10 = 26³×10³ = 17,576,000

5b. 26×25×24×10×9×8 = 11,232,000

__

6a. 10²×26⁴ = 45,697,600

6b. 10×9×26×25×24×23 = 32,292,000

__

7a. 10⁴×26² = 6,760,000

7b. 10×9×8×7×26×25 = 3,276,000

__

8a. 26⁵×10 = 118,813,760

8b. 26×25×24×23×22×10 = 78,936,000

x = 15/2

Step-by-step explanation:

Step 1: Add 1 to both sides.

2/3x − 1 + 1 = 4 + 1

2/3x = 5

Step 2: Multiply both sides by 3/2.

(3/2) * (2/3x) = (3/2) * (5)

x = 15/2

Answer:

18

The areas of a rectangle is lxw. You simply multiply by 3 x 6 and get this answer.

Answer:

No

Step-by-step explanation:

Those are only 2 angles and they already equal 180, Every single triangle has a sum of 180 and if you already hit 180 with only 2 out of the 3 points, it's not possible

Answer:

No

Step-by-step explanation:

No, because the 3 angles of a triangle have to add up to 180 degrees. The given 2 angles already add up to 180 degrees leaving no room for the missing angle.    

Answer:

12

Step-by-step explanation:

x/4

Let x=48

Replace x in the expression

48/4

12

Answer:

No

Step-by-step explanation:

Obtuse has an angle that is greater than 90 degrees. To be obtuse the angle must be 91 and up. Right triangles are 90-degree angles. Acute triangles have an angle that is less than 90. So, 89 and below.

I hope I answered your question correctly.

~LampteyJ

Answer:

A=5

B=3

C=5.83

A^2+B^2=C^2

Answer:

5.83

Step-by-step explanation:

u see this is how the Pythagorean theorem works a^2 + b^2 = c^ i hope this helps have a great day bye please mark as brainliest :D

The combined area of the circular bases of the cylinder is of 25.12 squared inches.

The area of a circle of radius r is given by:

[tex]A = \pi r^2[/tex]

In this problem, there are two bases, and each base is a circle of r = 2 in, hence the combined area in inches squared of the two bases is given by:

[tex]A_c = 2 \times \pi \times 2^2 = 8\pi = 25.12[/tex]

More can be learned about the area of a circle at https://brainly.com/question/17326298

#SPJ1

Answer:

25.12 squared inches.

Hope this helps!

Answer:

8 miles

Step-by-step explanation:

3.2 + 4.8

Answer:

8.5 in

Step-by-step explanation:

You are solving for the hypotenuse right? So you would use this formula:

c = square root a^2+b^2

the c is the hypotenuse (long side of a right triangle) and a will be 4 and b will be 7.5. substitute the numbers in, solve, and you get 8.5 inches!

x = square root 4^2 + 7.5^2

x = square root 16 + 56.25

x = square root 72.25

x = 8.5 inches

Answer:

Since the calculated value of F=0.20  does not fall in the critical region

F ≥  = 3.481 we reject the alternate hypothesis and accept the null hypothesis and conclude that there is no difference between the means of the 3 treatments.

Step-by-step explanation:

As the sample size are different we can run anova in the excel.

Part a)

The null and alternate hypotheses are

H0: μ1=μ2=μ 3  against the claim Ha: Not all three means are equal

The significance level ∝ is chosen to be 0.05

Part b)

The critical region is F≥ F(0.05,5,9) = 3.481

Part c) SST, SSE, and SS total

SS total= 144.933

SSE= 129.8333

SST= 15.1

A nova: Single Factor    

SUMMARY      

Groups Count Sum Average    Variance  

Column 1 3 32          10.67            4.33

Column 2 3 36          12               49  

Column 3 3 40        13.33     4.33

Column 4 3 36        12               7  

Column 5 2 25       12.5               0.5  

Column 6 1 10         10             ----------

The missing value in the variance column does not account for because the excel uses the mean to perform analysis.      

Part d)      

A NOVA Table    

Source              SS df MS               F P-value F crit

Of Variation

Between Groups       15.1   5 3.02 0.20        0.95        3.482

Within Groups  129.833   9 14.43                                          

Total       144.93 14                                                          

Part e)

Since the calculated value of F=0.20  does not fall in the critical region

F ≥  = 3.481 we reject the alternate hypothesis and accept the null hypothesis and conclude that there is no difference between the means of the 3 treatments.

For this exercise it is necessary to use knowledge of statistical, in this way

A) [tex]0,05[/tex]

B) [tex]3.481[/tex]

C)[tex]144.933\\129.8333\\15.1[/tex]

D) Do a new table

E)[tex]\geq 3.481[/tex]

As the sample size are different we can run anova in the excel:

A)The null and alternate hypotheses are [tex]H_0: \mu_1=\mu_2=\mu_3[/tex]  against the claim Ha: Not all three means are equal The significance level ∝ is chosen to be 0.05.  

B)The critical region is [tex]F\geq F(0.05,5,9) = 3.481[/tex]

C) SS total= [tex]144.933[/tex]

SSE= [tex]129.8333[/tex]

SST= [tex]15.1[/tex]

A nova: Single Factor    

[tex]Groups\\C1\\C2\\C3\\C4\\C5\\C6[/tex]     [tex]Count\\3\\3\\3\\3\\2\\1[/tex]     [tex]Sum\\32\\36\\40\\36\\25\\10[/tex]    [tex]Avarage\\10.67\\12\\13.33\\12\\12.5\\10[/tex]     [tex]Variance\\4.33\\4.9\\4.33\\7\\0.5\\0[/tex]

The missing value in the variance column does not account for because the excel uses the mean to perform analysis.      

D) New Table    

[tex]Source\\Between\\Within \\Total[/tex]   [tex]SS df MS\\15.15\\129.833\\144.93[/tex]  [tex]FP-value\\3.02\\14.43\\145[/tex]    

E) Since the calculated value of F=0.20  does not fall in the critical region [tex]F \geq = 3.481[/tex] we reject the alternate hypothesis and accept the null hypothesis and conclude that there is no difference between the means of the 3 treatments.

See more about statistical at : brainly.com/question/15692038

Answer:

[tex]y = -\frac{2}{5}x + \frac{14}{5}[/tex]

Step-by-step explanation:

Equation of a line:

The equation of a line has the following format:

[tex]y = mx + c[/tex]

In which m is the slope and c is the y-intercept(value of y when x = 0).

A(2;2) and B(-3;4)

When we have two points, the slope is the change in y divided by the change in x. So

Change in y: 4 - 2 = 2

Change in x: -3 - 2 = -5

Slope: [tex]m = \frac{2}{-5} = -\frac{2}{5}[/tex]

So

[tex]y = -\frac{2}{5}x + c[/tex]

A(2;2)

When [tex]x = 2, y = 2[/tex]. We use this to find c.

[tex]y = -\frac{2}{5}x + c[/tex]

[tex]2 = -\frac{2}{5}(2) + c[/tex]

[tex]c = 2 + \frac{4}{5} = \frac{10}{5} + \frac{4}{5} = \frac{14}{5}[/tex]

So

[tex]y = -\frac{2}{5}x + \frac{14}{5}[/tex]

Answer:

23.864 ft

Step-by-step explanation:

circumference = pie x diameter

   pie= 3.14                

diameter= 7.6ft

therefore, circumference =

     3.14 x 7.6 ft

=23.864 ft

roundoff to the nearest tens=23.9 ft

Answer:

the daimeter of the heart of the heart of the heart

Answer: 24

Step-by-step explanation:

6 hot dogs for every 4 hamburgers

6*6 = 36

36 hot dogs for every ? hamburgers

since 6*6 equals 36, do 4*6

4*6 = 24

so 24 hamburgers

I can’t guarantee that this is right but I think it is

hopefully it’s helpful

Answer:

u = 51

Step-by-step explanation:

(51 + 62) + 14 = u + (62 + 14)

(113) + 14 = u + (76)

127 = u + 76

=> Subtract 76 from each side of "="

51 = u

Hope this helps!

Answer:

u = 51

Step-by-step explanation:

hope this helps :]

Answer:

15

Step-by-step explanation:

14+14=28+7=35-50=15

Hope that helped (your free to ask any question or if you are confused)

Answer:

A. -21

Step-by-step explanation:

y varies directly as x

y = kx

----------------------

y = 15 when x = -5

Find k, the constant of variation

15 = k(-5)

Divide both sides by -5

-3 = k

k = -3

------------------------------

y when x= 7

using k = -3

y = -3(7)

y = -21

Answer:

Simple interest: 83.33, Final amount: 10083.33

Step-by-step explanation:

you dont get a explanation >:)

Answer:

4/6

Step-by-step explanation:

Answer:

342 + D = 90

Step-by-step explanation:

We can deduce the following from the statement;

- D is added to 342 so as to make it greater.

- The resulting value is the same as 90 i.e equal in value to 90.

Translating the word problem into an algebraic expression, we have;

342 + D = 90

[tex]1 \frac{3}{4} - 3 \frac{1}{8} = - \frac{11}{8} = - 1\frac{3}{8} [/tex]

Answer:

multiply the top number by 4 also and what ever answer you get by doing 24×4 place that number over 100 and that number will be your percentage

Answer:

hopes this helps

Step-by-step explanation:

B -x+4

Answer: The line connecting the point and the line is perpendicular to the original line.

Step-by-step explanation:

(Forgot the name but there is also a theorem stating that the shortest distance between a point and a line is the one that is perpendicular)

Answer:

34.1cm^2

Step-by-step explanation:

Area of triangle = 1/2 x base x height

=1/2 x6.2 x11

=34.1cm^2