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Burka [1]
3 years ago
13

9 * -2 n + 3 equals -27

Mathematics
2 answers:
soldi70 [24.7K]3 years ago
6 0

Answer:

n=5/3

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

−18n+3=−27

Step 2: Subtract 3 from both sides.

−18n+3−3=−27−3

−18n=−30

Step 3: Divide both sides by -18.

−18n−18=−30−18

n=53

Ulleksa [173]3 years ago
6 0

Answer:

that would be x= 3

Step-by-step explanation:

If you were to times -2n and 3 that would make -18 + 27.

You then subtract 27 from -27 making it -54. You then divide -18 from -54 making it into a positive 3. So x = 3

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How many ways can you arrange 28
MaRussiya [10]

Answer:

In 6 ways 28 can be arranged

Step-by-step explanation:

1 × 28 = 28

2 × 14 = 28

4 × 7 = 28

7 × 4 = 28

14 × 2 = 28

28 × 1 = 28

Thus, In 6 ways 28 can be arranged

<em><u>-TheUnknownScientist</u></em>

3 0
3 years ago
If the diameter of a wheel is 0.5 meters, then the radius of the wheel is how many centimeters
NISA [10]
Radius = diameter x 0.5
0.5x0.5 = 0.25meter

0.25 meter x 100 cm (100cm in one meter) = 25cm

also for future reference circumference = pie x r squared.
8 0
3 years ago
Read 2 more answers
1. Identify each situation in which a quantity grows or decays by a constant percent rate per unit interval. A. The number of ca
zvonat [6]

Answer:

Step-by-step explanation:

1) For each situation to grow or decay by a constant percent rate, it must be exponential. Therefore, the correct examples are

A. The number of cars sold doubles every year. It is a 200% growth every year.

D. Each time you start a car engine the remaining engine life decreases by 0.0075%. A case of decay

E. The number of people creating cat videos increases by 15% percent every year.

F. Computer technology increases by a factor of 3 every five years.

2) this is a case of exponential decay. The expression for exponential decay is

y = b(1 - r)^t

y = final value

b = initial value

r = decay rate

t = time

Given that

r = 10% = 10/100 = 0.1

b = 50 kilograms

y = W kilograms

The relationship is

W = 50(1 - 0.1)^t

W = 50(0.9)^t

3 0
3 years ago
What expression is equivalent to the expression 5 + 3y + 5y?
nlexa [21]

Answer:

5 + 8y

Step-by-step explanation:

hope this helps, pls mark brainliest :D

8 0
2 years ago
Read 2 more answers
A bag contains six red marbles three blue marbles and five green marble the three marbles are drawn out of the bag what is the p
tia_tia [17]

Answer:

Step-by-step explanation:

Red = 6

Blue = 3

Green = 5

Total = 14

First marble = 6/14  = 3/7  You now have 5 reds and 13 total

Second Marble = 5 * 13  which brings you down to 4 red and 12 total.

Third Marble = 4/12 = 1/3

Result

P(3 Red) = 3/7 * 5/13 * 1/3     cancel the 3s

P(3 Red) = 1/7 * 5/13

P(3 Red) = 5/91

P(3 Red) = 0.0549 . Rounding to the nearest 1/100 depends on what you have been told about rounding. I would say the answer is 0.05 but your teacher may say something different.

8 0
3 years ago
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