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never [62]
2 years ago
10

If a coin is flipped three times what is the probability of getting heads at least twice. AND PLS HELP I NEED ANSWERS FOR A 21 P

ROBLEM MATH TEST I Am WELLING GIVE HECK OF POINTS FOR THIS And PLS GIVE RIGHT answers I been HAVING ALL F’s FOR 3 SERMERTS PLS HELP ME OUT GUYS and I keep leaving questions
Mathematics
2 answers:
PSYCHO15rus [73]2 years ago
5 0

Answer:2/3

Step-by-step explanation: the chances are two outa three chances if this dont help at least i tried

Alex787 [66]2 years ago
4 0

Answer:

2/3

Step-by-step explanation:

Atleast 2 Heads in 3 Coin Tosses

0.5 is the probability of getting 2 Heads in 3 tosses.

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108 - 271 + 215-_____= -103
kupik [55]
108-271+215-_____=-103
Im going to combine the first thee numbers and replace the blank with a variable, lets use x. 
52 - x=-103
now I am going to subtract 52 on both sides to get the variable alone
-x=-155
Im going to multiply both sides to eliminate the negitive in the variable
x=155
If you want to check just plug 155 into the blank
108-271+215-155=-103
-163+215-155=-103
52-155=-103
-103=-103

so after checking work the blank is equal to 155.


5 0
3 years ago
The length of a diagonal of a cube with edge length 25cm
elena-s [515]
Let's take any edge length l. The diagonal has length l\sqrt3. In our case it's 25\sqrt3
6 0
3 years ago
What is the equation for the line?
antoniya [11.8K]

Answer:

y=-4x+5

Step-by-step explanation:

the line goes down 4 for every 1 that x changes. the line crosses the y axis at 5.

(this might not be accurate, I can't really see if the line is on the exact point or not)

6 0
3 years ago
Read 2 more answers
Find the value of x.<br> 105°/15x
Natalija [7]

\text{The two angles are supplementary, so their measures add up to 180 degrees.}

~~~~~~15x+105 = 180\\\\\implies 15x = 180 -105\\\\\implies 15x = 75\\\\\implies x =\dfrac{75}{15}\\\\\implies x = 5

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Jade has a budget of $200
stealth61 [152]
And? It’s there a full question?
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