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Ivanshal [37]
3 years ago
9

Can someone help me with problem number one? I’m so confused. If possible show me step by step so I can understand

Mathematics
1 answer:
Naya [18.7K]3 years ago
7 0
Count how many up down and too the left
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NCAA stated that of the nearly 8,000,000 high school students participating in high school athletics, only 460,000 of those stud
Ilia_Sergeevich [38]

Answer:

0.5934% probability that a baseball player will play at an NCAA college and will also go on to be drafted by the MLB

Step-by-step explanation:

We use the conditional probability formula to solve this question. It is

P(B|A) = \frac{P(A \cap B)}{P(A)}

In which

P(B|A) is the probability of event B happening, given that A happened.

P(A \cap B) is the probability of both A and B happening.

P(A) is the probability of A happening.

In this question:

Event A: Playing at an NCAA college.

Event B: Being drafted by the MLB.

6.9% will play in an NCAA college

This means that P(A) = 0.069

8.6% of the college players will go on to be drafted by the MLB.

This means that P(B|A) = 0.086

What is the probability that a baseball player will play at an NCAA college and will also go on to be drafted by the MLB?

P(B|A) = \frac{P(A \cap B)}{P(A)}

P(A \cap B) = P(A) \times P(B|A)

P(A \cap B) = 0.069*0.086 = 0.005934

0.5934% probability that a baseball player will play at an NCAA college and will also go on to be drafted by the MLB

5 0
4 years ago
A water tank, having the shape of a rectangular prism of base 100 square centimeters, is being filled at the rate of 1 liter per
aleksley [76]
The volume of a rectangular prism is given by 
area of base × height 
The rate at which the tank is being filled is 1 liter per minute which we need to convert 
1 liter = 1 dm³
But 1 dm = 10 cm. Hence 
1 liter = (10 cm)³ = 1000 cm³
The height h of the water is related to the volume by 
volume = area of base × h 
In one minute the volume increases by 1 liter or 1000 cm³ and the height increases by 
h = volume / area of base = 1000 cm³ / 100 cm² = 10 cm <span>
</span>
7 0
3 years ago
In an arithmetic progression, the sixth term is equal to 10.5; and the difference is 1.5. Find the first term and the sum of the
telo118 [61]

The first term will be 3 and the sum of the first 9 terms will be 81.

<h3>What is Arithmetic progression?</h3>

The difference between every two successive terms in a sequence is the same this is known as an arithmetic progression (AP).

The arithmetic progression has wider use in mathematics for example sum of natural numbers.

Natural number = 1,2,3,4,5,6,7,8...

Given,

Six terms as 10.5

So,

a₆ = 10.5

Common difference(d) = 1.5

The nth term of an AP is given by

a_{n} = a + (n-1)d

So,

a₆ = a + (6-1)d

10.5 = a + 5(1.5)

a = 3

Now,

The Sum of n terms is given by

S = n/2[2a + (n-1)d]

S = 9/2[6 + 8(1.5)]

S = 81

Hence the first term will be 3 and the sum of 9 terms will be 81.

For more about Arithmetic progression

brainly.com/question/20385181

#SPJ1

6 0
2 years ago
A radio transmission tower is feet tall. How long should a guy wire be if it is to be attached feet from the top and is tomake a
Bond [772]

Answer:

<em> Length of guy wire is 590.6 ft</em>

Step-by-step explanation:

The complete question is

A radio transmission tower is  210  feet tall. How long should a guy wire be if it is to be attached 8 feet from the top and is to make an angle of  20°  with the ground. Give your answer to the nearest tenth of a foot.

height of tower = 210 ft

8 ft fro the top leaves 210 - 8 = 202 ft to the ground

This is an angle of elevation problem

the opposite is 202 ft

hypotenuse = ?

angle is  20°  

using sin ∅ = opp/hyp

sin  20°  = 202/hyp

0.342 = 202/hyp

hyp = 202/0.342 = <em>590.6 ft   this is the length of the guy wire</em>

3 0
3 years ago
10 Points please help with my calculus HW
Zepler [3.9K]

The values based on the calculus computed will be 10✓5, 10✓1, and 20.

<h3>How to calculate the value?</h3>

dy/dt = 5 units.

Differentiate with respect to t.

dx/dt = 1/2✓x dx/dt

dyldt = 5.

dx/dt = 2✓x × 5 = 10✓x

a. When x = 1/5

dx/dt = 10 × ✓1/5 = 10✓5

b. x = 1

Differentiate it

dx/dt = 10✓1

c. x = 4

dx/dt = 10✓4 = 20

Learn more about <em>calculus</em> on:

brainly.com/question/24430269

#SPJ1

6 0
2 years ago
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