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Aleks04 [339]
3 years ago
8

1. Determining the probability of a coin landing heads up by actually tossing a coin several times is an example of what?

Mathematics
2 answers:
Eddi Din [679]3 years ago
5 0
The correct answer is C
Oksana_A [137]3 years ago
4 0

Answer:

C.

Step-by-step explanation:

Theoretical probability and Experimental probability are related in that theoretical probability is based on your reasoning (e.g. two sides; therefore, there is a 50% chance of heads), but experimental probability is where your numbers are based off of actual results (e.g. you landed head 1/4th of the time; therefore, there is a 25% chance of getting heads.)

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Find the area of the composite figure
Alja [10]

Answer:

37 sq. ft.

Step-by-step explanation:

Multiply 1.5 by 2 and add it to 4 to get the bottom of the triangle part, which is 7. The. Multiply it by 6 and divide by 2 to get the area of the triangle, which is 21. Then find the area of the square part, which is 16, and finally add both areas together to get the total area of the composite figure

7 0
3 years ago
Can sumbody help meh wit dis plz and ty .I’ll give ya 14 points
andre [41]

Answer:

1. is 5  

2. is -4

3. is -24

Step-by-step explanation:

i dont understand why you didnt just use a calculator but here.

6 0
3 years ago
Read 2 more answers
Find the slope and y-intercept of the line that is perpendicular to y= -1/3 x+5 and passes through the point (-3,-7)
o-na [289]
Perpendicular slope: 3

y + 7 = 3(x + 3)

y + 7 = 3x + 9

y = 3x + 2
7 0
3 years ago
A triangle has sides of lengths 8, 15, and 17. Is it a right triangle? Explain.
natta225 [31]

Answer:

Step-by-step explanation:

8^2 + 15^2 = ?

64 + 225 = 17^2

289 = 289

\sqrt{289} = \sqrt{289\\} \\ 17 = 17

4 0
3 years ago
The longer leg of a right triangle is 4cm longer than the shorter leg. the hypotenuse is 8cm longer than the shorter leg. find t
Alexeev081 [22]
Longer leg = x + 4

Shorter leg = x

Hypotenuse = x + 8


Using Pythagorean Theorem:

a^2 + b^2 = c^2

(x + 4)^2 + x^2 = (x + 8)^2

x^2 + 8x + 16 + x^2 = x^2 + 16x + 64

2x^2 + 8x + 16 = x^2 + 16x + 64

2x^2 +8x = x^2 + 16x + 48

2x^2 - 8x = x^2 + 48

x^2 - 8x = 48

x^2 - 8x - 48 = 0

You can complete the square from here or use the quadratic formula.

Completing the square:

x^2 - 8x = 48

x^2 - 8x + (-8/2)^2 = 48 + (-8/2)^2

x^2 - 8x + 16 = 48 + 16

(x - 4)(x - 4) = 64 or (x - 4)^2 = 64

x - 4 = +√64 OR x - 4 = -√64

x - 4 = +8 OR x - 4 = -8

x = 12 OR x = -4

However, you can't use negative 4 as a length because your length needs to be a positive.

So x will be 12.


Shorter leg: 12

Longer leg: 12 + 4

Hypotenuse: 12 + 8

8 0
3 years ago
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