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Afina-wow [57]
3 years ago
15

Write the contrapositive of the conditional statement. Determine whether the contrapositive is true or false. If it is false, fi

nd a counterexample.
If you are 16 years old, then you are a teenager.
Question 14 options:

If you are not a teenager, then you are 16 years old. True

If you are a teenager, then you are 16 years old. False; you could be 17 years old.

If you are not 16 years old, then you are not a teenager. False; you could be 17 years old.

If you are not a teenager, then you are not 16 years old. True
Mathematics
1 answer:
Mila [183]3 years ago
6 0
If you are 16 years old then you are a teenager Question 14
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Without solving determine the number of real solutions for each quadratic equation
seropon [69]

Answer:

b^2-4b+3=0

b²-3x-b+3=0

b(b-3)-1(b-3)=0

(b-3)(b-1)=0

either

b=3 or b=1

.

2n^2 + 7 = -4n + 5

2n²+4n+7-5=0

2n²+4n+2=0

2(n²+2n+1)=0

(n+1)²=0/2

:.n=-1

.

x - 3x^2 = 5+ 2x - x^2

0=5+ 2x - x^2-x +3x^2

0=5+x+2x²

2x²+x+5=0

comparing above equation with ax²+bx +c we get

a=2

b=1

c=5

x={-b±√(b²-4ac)}/2a ={-1±√(1²-4×2×5)}/2×1

={-1±√-39}/2

3 0
3 years ago
What is the equation of the line shown in the graph in standard form?
Dafna1 [17]
That would be y = -3.
4 0
3 years ago
Read 2 more answers
If y=(x^2-4)^5(3x+4)^4
alexira [117]

Answer:

y'=2(3x+4)^3(x^2-4)^4(21x^2+20x-24)

Step-by-step explanation:

y=(x^2-4)^5(3x+4)^4

y'=[\frac{d}{dx}(x^2-4)^5](3x+4)^4+(x^2-4)^5[\frac{d}{dx}(3x+4)^4]

y'=10x(x^2-4)^4(3x+4)^4+(x^2-4)^5(12(3x+4)^3)

y'=10x(x^2-4)^4(3x+4)^4+12(x^2-4)^5(3x+4)^3

y'=2(3x+4)^3(x^2-4)^4(21x^2+20x-24)

5 0
2 years ago
Ms. Goodwin earns $2570 for each 2-wk pay period. How much will she make in 28 wks?​
Salsk061 [2.6K]
$35,980 would be the correct answer.
$2570x14(paid bi weekly)
8 0
3 years ago
Will mark as brainliest to whoever first gets it correct!
anzhelika [568]

Answer: 27 candles.

Step-by-step explanation:

A rectangular prism has a volume calculated by length x width x height.

In this case, the candles have a volume of 220 cm³.

If the company used 5940 cm³ of wax, to find how many candles they made, you just divide them:

5940 / 220 = 27

You get 27 candles.

7 0
4 years ago
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