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ziro4ka [17]
4 years ago
5

Simplify -2 ^3. -------------------------------------------

Mathematics
2 answers:
hichkok12 [17]4 years ago
7 0

Answer:

-8

Step-by-step explanation:

-2^3

-8

Answer:  -8

nirvana33 [79]4 years ago
3 0

Answer: -8

Step-by-step explanation:

-2x-2x-2=-8

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7. 5x -6 = 3x + 14
Lapatulllka [165]

Answer:

Q1. x = 10

Q2. x = 7

Step-by-step explanation:

The steps are :

Q1.

5x - 6 = 3x + 14

5x - 3x = 14 + 6

2x = 20

x = 20 \div 2

x = 10

Q2.

6x - 11 = 4x + 3

6x - 4x = 3 + 11

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3 years ago
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lozanna [386]

Answer:

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3 years ago
An experienced cashier at a grocery store takes 2 seconds to scan each item and 40 seconds to process the customer's payment. 1)
lina2011 [118]

The answers are 1) D. 43 items and 2) B. 58 seconds.

Step-by-step explanation:

Step 1; An experienced cashier takes a time of 2 seconds per item and another 40 seconds for processing the customer's payment. So if it took 2 minutes 6 seconds which equals ( 2× 60 ) + 6 = 126 seconds for a customer. Out of these 126 seconds, the last 40 seconds were to process the customer's payment so 126 seconds - 40 seconds = 86 seconds. So it took 86 seconds to scan the items and as it takes 2 seconds per item we divide 86 by 2 to get the number of items. So 86 / 2 = 43 items which is option D.

Step 2; Anna brought 31 items and due to some glitch, the total time took 2 minutes. So for 31 items, it took the cashier 31 × 2 = 62 seconds, 1 minute 2 seconds. So out of the 2 minutes, 1 minute 2 seconds were used to scan the items. So the remaining time was 2 minutes (120 seconds) - 1 minute 2 seconds (62 seconds) = 58 seconds which was the processing time. So option B is the answer.

5 0
3 years ago
Find the volume height is 3 yards length is 3 yards and width is 2 yards
motikmotik

Answer:

6yd³

Step-by-step explanation:

V=lwh/3

V=3x2x3/3

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V= 6yd³

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3 years ago
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American mathematics ia easy than i think

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