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mezya [45]
3 years ago
9

Match the equivalent expressions. Pls help me

Mathematics
1 answer:
jek_recluse [69]3 years ago
4 0

Answer:

1/9 = 3^-2

1/8 = 2^-3

9 = 3²

8 = 2³

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it costs $5.50 per hour to rent a pair of ice skates, for up to 2 hours. After 2 hours, the rental cost per hour decreases to $2
laila [671]
$5.50 x 2 is $11.00
$2.50 x 2 is $5.00
$11 plus $5 is $16
it costs $16 to rent a pair of skates for 4 hours
6 0
3 years ago
HELP ASAP!! (picture above)
lilavasa [31]
To calculate minimum value, do -b/2a to get the x-value, and plug it in to get the y-value: 

-6/8 = -3/4

4 *  (-\frac{3}{4} )^{2} + 6 (-\frac{3}{4} ) - 18 =  \frac{9}{4} -  \frac{9}{2} - 18 =  - \frac{81}{4}

So the minimum value of g(x) is -81/4

This shows that g(x) has a lesser minimum value than f(x)


5 0
3 years ago
Add the prime factors of 39.
Maksim231197 [3]

Answer:

56

Step-by-step explanation:

Factors of 39: 1, 3, 13, 39.

39+13+3+1=

39+4=43

43+13=58

6 0
3 years ago
Read 2 more answers
Simplify the expression 8^2 +9 (12/3x2)- 7
Zarrin [17]
1)12 ÷ 3 = 4. 
2) 4×2= 8.
3) 9× 8= 72.
4) 8² = 64
5) 64+ 72 = 136
6) 136 - 7 = 129.

If you just want to simplify the expression you get: 8² + 9(8) - 7
But when you simplify that you get the answer below. 
ANSWER: 129
6 0
3 years ago
Melinda has a photo that is 8 inches by 11 inches. She wants to enlarge its length to 44 inches. What should the width be?
son4ous [18]
   8       44
----- = -----
  11      x

8*x=484
/8     /8
=60.5
6 0
3 years ago
Read 2 more answers
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