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AlexFokin [52]
3 years ago
7

What statement true of 3.9=39 hundredths

Mathematics
1 answer:
My name is Ann [436]3 years ago
7 0
You say it the same
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6•12 ÷ √36 -4 ÷2+(8-5)
saveliy_v [14]

Answer: 6•12 ÷ √36 -4 ÷2+(8-5) = -21

Step-by-step explanation:it's -33 because PEMDAS first perenthese 8 - 5 = 3 then exponents the square root of 36 is 6 then multiply and divide left to right we can multiply 6 times 12 which equals 72, then we divide 72 ÷ 6 = 12 and 12 • -4 = -48 and -48 ÷ 2 = -24 and then we add and subtract left to right -24 + 3 = -21, So the answer is -21.

6 0
3 years ago
Ice Cream Scoops - In shops with lots of ice-cream flavors there are many different flavor combinations, even with only a 2-scoo
blondinia [14]

Answer:

The general formula that can be used to find the required combinations for n flavor ice-cream.

N_n = \frac{n(n+1)}{2}

For 10 ice-cream flavors

N_{10} = \frac{10(10+1)}{2}

N_{10} = 55

Step-by-step explanation:

Let V = Vanila, C = Chocolate, S = Strawberry, P = Pineapple, B = Berry

2 ice-cream flavor:

V, C

{V/V, V/C, C/C}

3 possible combinations

3 ice-cream flavor:

V, C, S

{V/V, V/C, V/S, C/S, C/C, S/S}

6 possible combinations

4 ice-cream flavor:

V, C, S, P

{V/V, V/C, V/S, V/P, C/S, C/P, S/P, C/C, S/S, P/P}

10 possible combinations

5 ice-cream flavor:

V, C, S, P, B

{V/V, V/C, V/S, V/P, V/B, C/S, C/P, C/B, S/P, S/B, P/B, C/C, S/S, P/P, B/B }

15 possible combinations

So we have a series of

3, 6, 10, 15...

This series is known as Triangular number series

1 + 2 = 3

1 + 2 + 3 = 6

1 + 2 + 3 + 4 = 10

1 + 2 + 3 + 4 + 5 = 15

The general formula for this series is

N_n = \frac{n(n+1)}{2}

Using the above formula we can predict the number of 2-scoop combinations with 10 flavors.

N_{10} = \frac{10(10+1)}{2}

N_{10} = 55

Therefore, there are 55 different combinations of 2-scoop  with 10 flavors.

5 0
4 years ago
Graph the line: y= 1/3x-2​
Minchanka [31]

Answer:

Look at the graph below

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
You are going to buy doughnuts for your coworkers. you buy 2 boxes of glazed doughnuts for $3.99 each, 3 boxes of chocolate-cove
lidiya [134]
2(3.99)+3(4.49)+1(4.99)=$26.44
$50 - $26.44=$23.56 change
7 0
4 years ago
Help me agian please
Anton [14]
The least amount is 15 and there is 3 different cloths so just do 15*3 I think......
15*3=45
Hope this helps IDK...
6 0
3 years ago
Read 2 more answers
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