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LenaWriter [7]
2 years ago
6

HELPP MEE PLEASEeeee

Mathematics
1 answer:
Furkat [3]2 years ago
7 0

Answer:

i^8

Step-by-step explanation:

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Write repeating decimal 0.027272727 ... as a fraction. <br><br> Reduce the fraction completely.
umka2103 [35]

Answer:

3/110

Step-by-step explanation:

3 0
2 years ago
Can someone help me pleaseeeeeeeee.
Leya [2.2K]

Answer:

B) 2.25

Step-by-step explanation:

Given:

x = -2

y = 4

z = -5

Work:

\frac{x^2-z}{y} \\\\\frac{(-2)^2-(-5)}{4}\\\\\frac{4+5}{4} \\\\\frac{9}{4} \\\\2.25

7 0
2 years ago
There are four steps in the manufacturing process of a stuffed toy: cutting, stuffing, sealing, and packaging. There are two emp
Anit [1.1K]

Answer:

(a) 2min/15units

(b) 1min/20units

(c) The bottleneck stage is cutting. The process capacity is 450units/hour

(d) The capacity of the new employee should be 1unit/2sec. The process capacity will increase four times

Step-by-step explanation:

(a) Cycle time for stage cutting for 2 employees = 16sec/2units × 1min/60sec = 2min/15units

(b) Cycle time for stage sealing for 1 employee = 3sec/1unit × 1min/60sec = 1min/20units

(c) Process capacity of stage cutting = 15units/2min × 60min/1hour = 450units/hour

(d) If the capacity of the new employee is 1unit/2sec, the process capacity = 1unit/2sec × 3600sec/1hour = 1800units/hour. The process capacity increases 4 times (1800/450 = 4)

7 0
3 years ago
A certain triangle has a 30° angle and a 60° angle. Which must be a true
sleet_krkn [62]

Answer:

Step-by-step explanation:

7 0
2 years ago
Does anyone know this?
Stels [109]

Every hexagon clearly has 6 sides. Nevertheless, every time you "glue" two hexagons together, you "lose" 2 sides to your count, because the sides where the two hexagons meet are not exterior sides anymore, and so they are not taken into account in our counting.

Also observe that with n hexagons you have n-1 points of contact between hexagons.

Since every hexagon has 6 sides and every gluing point takes away 2 sides, the number of exterior sides with n hexagons is

s(n)=6n - 2(n-1) = 6n-2n+2=4n+2

Let's plug some values for n:

  • s(1) = 4\cdot 1 + 2 = 4+2 = 6
  • s(2) = 4\cdot 2 + 2 = 8+2 = 10
  • s(3) = 4\cdot 3 + 2 = 12+2 = 14
  • s(4) = 4\cdot 4 + 2 = 16+2 = 18

You can check that these values are correct by counting the sides on the figure you have.

Finally, we can count the sides of a train with 10 hexagons by plugging n=10 in our formula:

s(10) = 4\cdot 10 + 2 = 40 + 2 = 42

Note: the numbers we've given are the number of sides that form the perimeter. So, the actual perimeters are the number of sides multiplied by the length of the side itself: if we let s be the length of the side, the perimeters will be 6s,\ 10s,\ 14s,\ 18s for the first 4 trains, and 42s for the 10-hexagon train.

6 0
3 years ago
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