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tigry1 [53]
3 years ago
9

Jina Purchase a prepaid phone card for $15. Long distance sells cars $.23 a minute using this card. Do you use your card only wa

nts to make a long distance call. If the remaining credit on her card is $10.86, how many minutes did her call last?
Mathematics
1 answer:
Nat2105 [25]3 years ago
6 0
47.21 minutes if I read the question right
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Given f(x)=2x^3-15x^2+22x+15<br> Find all real zeros
mario62 [17]

Answer:

Given function f(x) = 2x^3+15x^2+22x-15. Leading coefficient is p= 2,and constant q is 15. If p/q is a rational zero ,then p is a factor of ...

Step-by-step explanation:

5 0
3 years ago
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Please help me with this question!!
ziro4ka [17]
Your answer would be A.) False; either both are right or one is obtuse

Two acute angles added could never equal 180

Hope this helps!
5 0
3 years ago
N - 29 - 33 = -49 solve the equation.
Pepsi [2]

Answer:

n=13

Step-by-step explanation:

n-29-33=-49

Always work left to write in these types of equation, so subtract -29-33 to get -62:

n-29-33=-49

n-62=-49

Add 62 to both sides:

n-62=-49

+62  <u>+62</u>

n     =  13

6 0
3 years ago
Evalute x(5-y) when x=3 and y=2<br><br> I need help
Luda [366]

Answer:

6

Step-by-step explanation:

Given x(5 - y)

x = 3

y = 2

Therefore 2(5 - 2)

2(3)

6

Or distribute

2 x 5 - 2x 2

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6 0
3 years ago
How do you simplify the radical expression, 24- sqrt(720 over 4
baherus [9]

24- sqrt(720/4) divide 720 by 4

24 - sqrt (180) now break down 180 to 9*4*5

24- sqrt(9) *sqrt(4) *sqrt (5)  so 9becomes 3, 4 becomes 2

24- 3*2*sqrt(5) multiply 3 and 2

24-6sqrt(5)

7 0
3 years ago
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