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MArishka [77]
3 years ago
11

Sandra flips a coin.what is the probability that the coin will land on tails?

Mathematics
2 answers:
Rama09 [41]3 years ago
8 0
The probability is 50/50
poizon [28]3 years ago
6 0
The probability would be 50%, or \frac{1}{2}, because there are only two possibilities when flipping a coin; either heads or tails. 
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Pwease help fast this is mah last question!
inessss [21]

Answer:

A  = 222 units^2

Step-by-step explanation:

To find the area of this trapezoid, first draw an imaginary horizontal line parallel to AD and connecting C with AB  (Call this point E).  Below this line we have the triangle CEB with hypotenuse 13 units and vertical side (21 - 16) units, or 5 units.  Then the width of the entire figure shown can be obtainied using the Pythagorean Theorem:

(5 units)^2 + CE^2 = (13 units)^2, or 25 + CE^2 = 169. Solving this for CE, we get |CE| = 12.

The area of this trapezoid is

A = (average vertical length)(width), which here is:

       (21 + 16) units

A  = --------------------- * (12 units),   which simplifies to:

                  2

A = (37/2 units)(12 units)  =  A  = 37*6 units  =  A  = 222 units^2

8 0
4 years ago
Find the median:<br> 3, 5, 7, 4, 3, 1
vitfil [10]
<h3>Answer: 3.5</h3>

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

Explanation:

Start by sorting the values from smallest to largest. This is known as ascending order. The original set {3, 5, 7, 4, 3, 1} will sort to {1, 3, 3, 4, 5, 7}

After the values are sorted, we will look at the middle most value to find the median. Because there are six items in this data set, the median number is between slot 3 and slot 4. Note how the sorted data set breaks down into

{1, 3, 3} and {4, 5, 7}

we see that 3 and 4 are tied for the middle most, so the median must be 3.5 which is halfway between 3 and 4.

5 0
4 years ago
Read 2 more answers
-7(a - 3) = 11 - 7a<br> what’s the answer
natali 33 [55]

Answer:

the statement is false there is no solution

Step-by-step explanation:

step 1       -7(a-3)=11-7a

step 2      -7a+21=11-7a

step 3      cancel out the -7a's

step 4       you are left with 21=11 which does not work so it is false

8 0
3 years ago
Put the following equation of a line into slope-intercept form, simplifying all
Leviafan [203]

Answer:

y = x - 4

Step-by-step explanation:

Given

2y - 2x = -8 -- correct expression

Required

Represent as slope intercept form

2y - 2x = -8

Make 2y the subject

2y = 2x - 8

Divide through by 2

\frac{2y}{2} = \frac{2x}{2} - \frac{8}{2}

y = x - 4

8 0
3 years ago
What is the value of sin(x) when x = 30°?
Elanso [62]
I hope this helps you




30 degree => k


60 degree=> k square root of 3


90 degree=> 2k


sin30=k/2k


sin30=1/2
8 0
4 years ago
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