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pishuonlain [190]
3 years ago
12

Graph the system of equations. Then determine whether the system has no solution, one solution, or infinitely many solutions. If

the system has one solution, name it.
y = \frac{3}{2}x
y = -x + 5

WILL PICK BRAINLIEST ANSWER, THANK YOU, AND 5 STAR FOR FULL EXPLANATION. :)
Mathematics
1 answer:
andrew11 [14]3 years ago
5 0

Answer:

1 1/2

Step-by-step explanation:

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Explain when you must write the number 1, and when you do not need to.
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Answer:

The number 1 is not necessary when expressing powers of one. For example, you needn't write "5" as 5^{1}.

Step-by-step explanation:

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HELPPPPP!!!!! PLSSSS!!! 10 POINTS!
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Answer:

divide 81 by pi and then by 2

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
What is x equal to?<br><br> 3(x + 5) = 2(3x + 18)
Anna [14]
<span>3(x + 5) = 2(3x + 18)
Use the distributive property:
3(x)+5(3)=2(3x)+18(2)
Simplify:
3x+15=6x+36
6x+36=3x+15
3x+36=15
3x=-21
x=-7

Check answer:
3(-7+5)=2(-21+18)
3(-2)=2(-3)
-6=-6

Hope this helps :)

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7 0
3 years ago
Read 2 more answers
Determine and describe the ​number​ and ​type​ of roots of the quadratic functions. Show any and all work necessary to determine
algol13

Answer:

See explanations below

Step-by-step explanation:

The root of a quadratic equation is determined by its discriminant

D = b²-4ac

If D > 0, the roots are real and unique

If D < 0, the roots are complex

If D= 0, the roots are real and equal

a) For the quadratic equation

y=3x^2+7x+8

Since the highest degree of the equation is 2, hence the equation will have 2 roots

From the equation, a = 3,  b = 7 and c = 8

Get the discriminant

D = 7²-4(3)(8)

D = 49 - 96

D = -47

Since the discriminant value is less than 0, hence the roots are complex roots

b) For the quadratic equation

y=2x^2-7x-2

Since the highest degree of the equation is 2, hence the equation will have 2 roots

From the equation, a = 2,  b = -3 and c = -2

Get the discriminant

D = (-3)²-4(2)(-2)

D = 9 + 16

D = 25

Since the discriminant value is greater than 0, hence the roots are real and unique.

c) For the quadratic equation

y=9x^2+30x+25

Since the highest degree of the equation is 2, hence the equation will have 2 roots

From the equation, a = 9,  b = 30 and c = 25

Get the discriminant

D = 30²-4(9)(25)

D = 900 - 900

D = 0

Since the discriminant value is equal to 0, hence the roots are complex real and equal

7 0
3 years ago
Subtract (2x3 + 9x - 8) - (4x2 - 15x + 7).
maxonik [38]
2x3 + 24x - 4x2 - 15
4 0
3 years ago
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