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nataly862011 [7]
3 years ago
15

Graph the system of equations on your graph paper to answer the question.

Mathematics
2 answers:
dsp733 years ago
6 0
For this case, the first thing you must do is to graph both functions in the same Cartesian plane.
 Then, to find the solution you should see where both functions are cut.
 For this case, looking at the graph, we see that the solution of the system of equations is
 x = -2
 y = 3
 answer
 (x, y) = (- 2, 3)

xeze [42]3 years ago
5 0

Answer:

The answer is (-2,3) Hope this helps i did this for my test.

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Solve the proportions using cross products. Round to the nearest hundredth is necessary. 21miles/49hours = 15miles h hours
SSSSS [86.1K]

\dfrac{21}{49}=\dfrac{21:7}{49:7}=\dfrac{3}{7}\\\\\dfrac{21}{49}=\dfrac{15}{h}\to\dfrac{3}{7}=\dfrac{15}{h}\qquad\text{cross multiply}\\\\3h=(7)(15)\\\\3h=105\qquad\text{divide both sides by 3}\\\\\boxed{h=35}\\\\Answer:\ 35\ hours

8 0
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NeX [460]

Answer:

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Step-by-step explanation:

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3 years ago
For a normal distribution with mean 5 and standard deviation 6, the value 8 has a z value of?
yuradex [85]

Answer:

z = (8-5)/6

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3 0
3 years ago
What is the value of r in the equation -3(4r - 8)=-36
Marianna [84]

Answer:

r=5

Step-by-step explanation:

Rearrange:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :  

                    -3*(4*r-8)-(-36)=0  

Step by step solution :

Step  1  :

Step  2  :

Pulling out like terms :

2.1     Pull out like factors :

  4r - 8  =   4 • (r - 2)  

Equation at the end of step  2  :

 (0 -  12 • (r - 2)) -  -36  = 0  

Step  3  :

Step  4  :

Pulling out like terms :

4.1     Pull out like factors :

  60 - 12r  =   -12 • (r - 5)  

Equation at the end of step  4  :

 -12 • (r - 5)  = 0  

Step  5  :

Equations which are never true :

5.1      Solve :    -12   =  0

This equation has no solution.

A a non-zero constant never equals zero.

Solving a Single Variable Equation :

5.2      Solve  :    r-5 = 0  

Add  5  to both sides of the equation :  

                     r = 5  

One solution was found :

                  r = 5


brainliest pllzz thx god bless

3 0
3 years ago
Read 2 more answers
Solve - 2x - 7 > 5x + 14.
olga_2 [115]

Answer:

hope this is not to hard to understand

5 0
3 years ago
Read 2 more answers
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