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BlackZzzverrR [31]
3 years ago
6

Which of the following best describes the type of probability used in the

Mathematics
1 answer:
irga5000 [103]3 years ago
8 0

Awnser is C. Random cuz thats how i chose this answer... its was random

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Question 20. The expression which defines the area of a trapezium is...
jeka94

Answer:

b = 2A/h - a . (option a)

Step-by-step explanation:

Check attachment

4 0
3 years ago
An object is launched from a platform. Its height (in meters), xxx seconds after the launch, is modeled by: h(x)=-5x^2+20x+60h(x
EastWind [94]
It takes 6 seconds for it to hit the ground.

0 = -5x²+20x+60

We can solve this by factoring.  First factor out the GCF, -5:

0 = -5(x²-4x-12)

Now we want factors of -12 that sum to -4.  -6(2) = -12 an -6+2 = -4:
0 = -5(x-6)(x+2)

Using the zero product property, we know that either x-6=0 or x+2=0; this gives us the answers x=6 or x=-2.  Since we cannot have negative time, x=6.
3 0
3 years ago
Read 2 more answers
What is the surface area of this triangular prism? The base of each triangle is 42 m and the height of the triangular base is 20
shutvik [7]

<u>Given</u>:

The base of each triangular base is 42 m.

The height of each triangular base is 20 m.

The sides of the triangle are 29 m each.

The height of the triangular prism is 16 m.

We need to determine the surface area of the triangular prism.

<u>Surface area of the triangular prism:</u>

The surface area of the triangular prism can be determined using the formula,

SA=bh+(s_1+s_2+s_3)H

where b is the base of the triangle,

h is the height of the triangle,

s₁, s₂ and s₃ are sides of the triangle and

H is the height of the prism.

Substituting the values, we get;

SA=(42)(20)+(42+29+29)(16)

SA=840+(100)(16)

SA=840+1600

SA=2440

Thus, the surface area of the triangular prism is 2440 m²

8 0
3 years ago
How do i do this i'm really confused it's nothing i've done before
laila [671]
What is the question pls so I might be able to help
6 0
3 years ago
13 POINTS! EVALUATE AND SHOW ALL WORK
padilas [110]

Answer:

  • 0

Step-by-step explanation:

<u>Solving in steps</u>

  • 3| 4.5 - 2| - 5 |-1.5 -(- 3)| =
  • 3 |2.5| -5 |-1.5 + 3| =
  • 3*2.5 - 5|1.5| =
  • 7.5 - 5*1.5 =
  • 7.5 - 7.5=
  • 0
3 0
3 years ago
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