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Archy [21]
3 years ago
9

Evaluate when a=-6, b= 5, c= -2: a3 - b + 4c2

Mathematics
1 answer:
Flura [38]3 years ago
8 0

Answer:

-39

Step-by-step explanation:

a=-6 b=5 c=-2

a3-b+4c2

(-6)3-(5)+4(-2)2

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A zoo had 2250 visitors on Friday and 4725 on Saturday. What was the percent of increase of the number of visitors on Saturday o
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Solve the simultaneous equations<br> 5x+2y=25 <br> 5x-y=10
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<em>5x + 2y = 25;</em>

<em>5x + 2y = 25;5x - y = 10;</em>

5x + 2y = 25;

5x = 10 + y;

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4 0
2 years ago
Rene is going to the lake to visit some friends if the lake is 60 miles away, and rene is driving a 40 miles per hour the entire
Ostrovityanka [42]
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4 0
3 years ago
The drama club was selling tickets
Lubov Fominskaja [6]

Answer:

108 student tickets, and 176 adult tickets  were sold

Step-by-step explanation:

Adult ticket $8  Call the number of adult tickets sold "a"

Student ticket $5  Call the number of student tickets sold "s"

Since we are talking about TWO consecutive days of sold out seats, the total number of seats sold were 2* 142 = 284

Then we create two different equations with the information given:

a + s = 284

8 * a + 5 * s = 1948

we can solve for s in the first equation as follows: s = 284 - a

and use it in the second equation

8 a + 5 (284 - a) = 1948

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combining

3 a = 528

a = 528/3

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we find the number of student tickets using this answer in the substitution equation we used:

s - 284 - 176 = 108

Therefore 108 student tickets, and 176 adult tickets  were sold.

5 0
2 years ago
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