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iris [78.8K]
3 years ago
12

When flipping a coin, the chance that it will come up a head is . If you flip the coin a second time, the chance that it will co

me up a head again is . Let us say that you have had 25 heads come up in 25 consecutive flips. If you flip the coin one more time, the chance of coming up with a head is .
Mathematics
1 answer:
castortr0y [4]3 years ago
3 0

Answer:

all 0.5

Step-by-step explanation:

Suppose this is a fair coin, so the chance of getting head vs tail is 50-50, or 0.5.

If you flip a coin, the chance of getting head is 0.5

If you flip a coin the 2nd time, this event is independent and unrelated to the previous result, hence the chance of getting head is still 0.5

If you flip a coin 25 times and all get head, then the chance of getting the next head is still 0.5. Because this event is still independent and not related to all the previous flips.

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A kite has a height of 36 inches and a width of 30 inches. Explain how to use the area formula for a triangle to find the area o
mote1985 [20]

Height of the kite is = 36 inches.

Width of the kite is = 30 inches

One of the ways to find the area is to draw a vertical line to break the kite into two equal triangles. Mark the base as 36 inches and height as 15 inches .

Now we will use the formula area=\frac{1}{2}*base*height to find the area of each triangle. Then we will add both the areas to find the area of the kite.

Area of 1 triangle = \frac{1}{2}*36*15 = 270 square inches

Area of the 2nd triangle is also = 270 square inches

Hence, area of the kite = 270+270 = 540 square inches

8 0
3 years ago
Read 2 more answers
In ΔUVW, the measure of ∠W=90°, VW = 32 feet, and WU = 78 feet. Find the measure of ∠V to the nearest degree.
DanielleElmas [232]

Answer: 67.68^{\circ}

Step-by-step explanation:

Given

\angle W=90^{\circ}

VW=32\ ft

WU=78\ ft

from the figure, we can write

\Rightarrow \tan v=\dfrac{UW}{VW}\\\\\Rightarrow \tan v=\dfrac{78}{32}\\\\\Rightarrow \tan v=2.437\\\Rightarrow v=\tan^-1(2.437)\\\Rightarrow v=67.68^{\circ}

7 0
3 years ago
Solve for k.<br> 14k+ 17 &gt; 3
Alborosie

Answer:

5

Step-by-step explanation:

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6 0
2 years ago
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I need some help on this. Not sure how to solve.
andreyandreev [35.5K]

Answer:

x = 9

Step-by-step explanation:

This shape is a 30-60-90 triangle, which means that the angles of the triangle are each 30°, 60° and 90°.  Given that the measures of the angles of the triangle are known, as well as one side, we can find the measures of all the other sides (example attached).  A 30-60-90 triangle is special because of the relationship of its sides.  The hypotenuse (directly across from the 90° angle) is equal to twice the length (2x) of the shorter leg, in this case labeled 'x' and directly across from the 30° angle.  The longer leg, across from the 60° angle, is equal to multiplying the shorter leg (x) by √3 or x√3.

Since the measure of the hypotenuse is given at 18, we can set the expression of that side equal to 18 and solve for x:

2x = 18  or x = 9


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3 years ago
The average maximum temperature in January for Killeen, Texas is 59º F. The average maximum temperature in January for Buffalo,
steposvetlana [31]
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