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Elena-2011 [213]
3 years ago
10

What is the area of the trapezoid? Plz help! :)

Mathematics
1 answer:
kolbaska11 [484]3 years ago
8 0
A=a+b/2 (h) is the equation.
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What is the number of possible outcomes if three quarters are tossed and the total numbers of heads and tails are counted? A) 2
Gre4nikov [31]

Answer:

D). 8.

Step-by-step explanation:

Each quarter will come up heads or tails  - that is 2 possibilities.

So for  3 tosses the number of outcomes is 2*2*2 = 8.

3 0
3 years ago
Read 2 more answers
Two dice are tossed together. What is the probability of getting an odd number on the second die and a total of five?
wolverine [178]

Probability = (number of ways to succeed) / (total possible outcomes) .

The total possible results of rolling two dice is

   (6 on the first cube) x (6 on the second one) = 36 possibilities.

How many are successful ?  I need you to clarify something first.
You said that the 'second die' shows an odd number.  When a pair
of dice is rolled, the problem usually doesn't distinguish between them. 
And in fact, you said that they're "tossed together" (like a spinach and
arugula salad ?) so I would understand that they would lose their identity
unless they were, say, painted different colors, and we wouldn't know
which one is the second one.

Oh well, I'll just work it both ways:

First way: 
Two identical dice are tossed.
The total is 5 and ONE cube shows an odd number.

How can that happen ?

1 ... 4
4 ... 1
3 ... 2
2 ... 3         

Four possibilities.  Probability = 4/36 = 1/9 = 11.1% .

=======================================

Second way:
 
A black and a white cube are tossed together.
The total is 5 and the white cube shows an odd number.

How can that happen:

B ... W
4 .... 1
2 .... 3

Only two possibilities.  Probability = 2/36 = 1/18 = 5.6% .

3 0
3 years ago
Please explain this to me.
Nutka1998 [239]

Answer:

  • The value of x is 12 units.

Step-by-step explanation:

<u>We know that:</u>

  • Formula: h² = a² + b²

<u>Let's solve using Pythagoras theorem.</u>

  • => 13² = 5² + x²
  • => 169 = 25 + x²
  • => 169 - 25 = x²
  • => 144 = x²
  • => √x² = √144
  • => x = √144
  • => x = 12

Hence, the value of x is 12 units.

3 0
2 years ago
Find 15 percent of 15 percent of 15 percent of 500 how does this compare to finding 45 percent of 500?
4vir4ik [10]
Completely different...

.15*.15*.15*500

500(.15^3)=1.6875

500(.45)=225
4 0
3 years ago
Read 2 more answers
How many of the 100 bin A items can be recycled at a specialized center?
pentagon [3]
Depending on how big the center is, I would say 15.
I hope this helped!
3 0
3 years ago
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