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3 years ago

7

Use technology to approximate the solution(s) to the system of equations to the nearest tenth of a unit.

1 answer:

kodGreya [7K]3 years ago

5 0

The technology I used in helping me solve the problem is using Microsoft Excel. I made one column for the x values which were gathered from the choices, one column for f(x) whose equation is 8^(x-9), and another column for g(x) whose equation is log(3x) + 2.

Inputing these equation to the last two columns yield the values shown in the picture.The 'NUM' means that the equation at that value of x is undefined. From the values, the correct solution would be

(0,0), (9.2,1.5) and (9.6,3.5) to the f(x) equation
(9.6,3.5) to the g(x) equation

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18% of all students at West Colon High School play baseball and 32% play soccer. The probability that a student plays baseball g

natita [175]

Answer:

e. 0.0704

Step-by-step explanation:

We solve this problem building the Venn's diagram of these probabilities.

I am going to say that:

A is the probability that a student plays baseball.

B is the probability that a student plays soccer.

We have that:

$A = a + (A \cap B)$

In which a is the probability that a student plays baseball but not soccer and $A \cap B$ is the probability that a student plays both of these sports.

By the same logic, we have that:

$B = b + (A \cap B)$

18% of all students at West Colon High School play baseball and 32% play soccer.

This means that $A = 0.18, B = 0.32$

The probability that a student plays baseball given that the student plays soccer is 22%.

This means that

$\frac{A \cap B}{B} = 0.22$

Calculate the probability that a student plays both baseball and soccer.

This is $A \cap B$

$\frac{A \cap B}{B} = 0.22$

$\frac{A \cap B}{0.32} = 0.22$

$A \cap B = 0.32*0.22 = 0.0704$

So the correct answer is:

e. 0.0704

6 0

4 years ago

If B equals 7 what is the value of the expression 2 + (10 - B )?

avanturin [10]

We just need to <u>plug in 7 for B! </u>

Let's do it !

2 + (10 - 7)

<em>We always start with the parenthesis first ! It's just a rule in math :) </em>

10 - 7 = ?

10 - 7 = 3

Now we have ...

2 + 3

2 + 3 = 5

Your final answer is 5!

I hope I helped :) Just comment if you have any questions and remember to vote me "brainliest" if you like my answer !!!

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geniusboy [140]

Answer: I think it's b

Step-by-step explanation:

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3 years ago

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What is the kinetic energy of a jogger with a mass of 65.0 kg traveling at a speed of 2.5 m/s

Alexxandr [17]

KE = 1/2mv^2

KE = 1/2(65)*2.5^2
KE = 32.5*2.5^2

KE = 203.125 Joules

The kinetic energy is equal to <span>203.125 J. </span>

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3 years ago

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Which is the simplified form of the expression ((p^2)(q^5))^-4 * ((p^-4)(q^5))^-2 ?

emmasim [6.3K]

$\bold{ANSWER:}$
OPTION A

$\bold{EXPLANATIONS:}$

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2 years ago