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Paladinen [302]
1 year ago
14

The probability of Tails when a biased coin is thrown is 0.8 The coin is thrown 2000 times What is the expected number of Tails?

A 1600 B 1000 C 800 D 160​
Mathematics
1 answer:
Allisa [31]1 year ago
8 0

Answer:B

Step-by-step explanation:

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7. Identify the correct congruence statement. ​
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Step-by-step explanation:

in ∆ABC and ∆ADC

AB = AD (given)

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angle ACB = angle ACD = 90° (Given)

therefore,

∆ABC = ∆ADC

therefore, option C is correct

hope this helps you!

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3 years ago
The newest triangular prism pop is strawberry-apple. For the triangular faces, the base is 4 cm and the height is 3 cm. The othe
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3 years ago
Morgan rewrote the expression 90+(10+4.8)as(90+10)+4.8 How will this change the work that is needed to evaluate the expression
Solnce55 [7]

Answer:

We would need to add 90+10 first instead of 10+4.8.

Step-by-step explanation:

When evaluating expressions, we follow the order of operations:

P (parentheses); E (exponents); M/D (multiplication/division from left to right); and A/S (addition/subtraction from left to right).  The first thing we look for is parentheses.

When we use the associative property as Morgan did to rearrange the problem, this changes the order we begin in.  It does not, however, change the answer.

5 0
4 years ago
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What is the slope? <br> please hurry!<br> y=-x - 3
artcher [175]

Answer:

Step-by-step explanation:

slope =  

The equation of a line in point- slope form is

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4 0
3 years ago
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Hi I need help in this question
dalvyx [7]

Answer:

First part representing requirements for the length x>=5 ft

Second part yes

Step-by-step explanation:

Well, the formula for finding the area of a rectangle is l x w. In the question, it states that the pen must be 4 ft wide and to fit his requirements of the pen being at the minimum 20 ft^2 we have this inequality 4x>=20 which we must solve and we get x>=5 which means that this represents all of the possible lengths for the play space. For the second part, we know that to fufill Judah's requirements for square ft., our length must be greater than or equal to 5. Last time I was doing math, I'm pretty sure 5 1/2>5 which thus can be accepted as a length value, still meeting the requirements of at least 20ft^2 space for the play space.

7 0
3 years ago
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