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Zanzabum
3 years ago
7

2• 1 1/2 please help

Mathematics
2 answers:
Reika [66]3 years ago
8 0

Answer :-

2.11/2 =1.055,,

igor_vitrenko [27]3 years ago
6 0

Answer:

3

Step-by-step explanation:

Method 1:

First, we can convert 1 1/2 to 3/2.

So 2 • 1 1/2 becomes  2 • 3/2.

The 2s cancel, so the answer is 3.

Method 2:

Since 1 1/2 is just 1+1/2, the problem becomes

2(1+1/2)

Expanding, we have

2+2(1/2)

or

2+1.

Since 2+1 is 3, the answer is 3.

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I need the answer to this problem please help me
LekaFEV [45]
I'm pretty sure both B and C equal 12 as well
Since the triangle equals 180 and the angels are all congruent
7 0
3 years ago
Amar keeps picking playing cards out of a standard deck of 52 cards in the hopes that he will
lapo4ka [179]

Answer:

The required probability is, 0.78

Step-by-step explanation:

There are, (52 - 13) = 39 cards which are not spade

5 cards can be chosen from the deck of 52 cards in

^{52}{C}_{5}  ways

and out of these 5 choices, none of them will be spade in,

^{39}{C}_{5}  ways

So,

P(None of the chosen cards is spade)

= \frac {^{39}{C}_{5}}{^{52}{C}_{5}}

\simeq 0.22

Hence,

P(out of these 5 choices, at least one card is spade)

\simeq (1 - 0.22)

= 0.78

4 0
3 years ago
If 2a+3<10 then which of these could be a value of a
solmaris [256]

Answer:

a < 3.5

Step-by-step explanation:

2a+3 <10

subtract 3 from each side

2a +3 -3 < 10-3

2a < 7

divide by 2

a < 7/2

a < 3.5


6 0
3 years ago
Help! Please:) Amd Thank you!!!
Mrrafil [7]
They get 2/3 because 2 divided by 3=2/3.
8 0
3 years ago
hello again I need to find an equation to find the long side of the triangle. but this time only the hypotenuse is given. brainl
Hunter-Best [27]

Answer:

The answer to your question is Long = 10.39

Step-by-step explanation:

Data

hypotenuse = 12

long = ?

Process

1.- To find Long, we must use the trigonometric functions sine or cosine.

If we use sine, we use the 60° angle

If we use cosine, we use the 30° angle

a) sin 60 = long / hypotenuse

   Long = hypotenuse x sin 60

   Long = 12 x sin 60

   Long = 10.39

b) cos 30 = Long / hypotenuse

   Long = hypotenuse x cos 30

   Long = 12 x cos 30

  Long = 10.39

3 0
3 years ago
Read 2 more answers
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