MATHEMATICS COLLEGE

Pls help me with these equations 2x-7/3 = 5
4 (x - 5) = 3 (x - 7) + x + 1
5x + 2x - 9 = 7x + 11
6x - 12 + 4 (x - 7) = 5 (2x - 4) - 1
5x - 1/3 = 8

Answers

Answer 1
Answer: The answers to the questions
Answer 2
Answer: Last one is 3/4 hope this helps

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The perimeter of a square is 20, find the length of a diagonal. Round your answer to theearest tenth.

Answers

Answer:

20

Step-by-step explanation:

What is 6=- x/8
Plz help

Answers

Answer:

1 .Multiply both sides by 88.

6\times 8=-x6×8=−x

2 .Simplify  6\times 86×8  to  4848.

48=-x48=−x

3. Multiply both sides by -1−1.

-48=x−48=x

4. x=−48

Step-by-step explanation:

Which of the following expressions has the greatest value when x=5? show how you arrived at your choice.2x^2+7

x^3-5/3

10x -2/ x-3

Answers

Answer:

2x^2+7

Step-by-step explanation:

Let x=5

2x^2+7

2 ( 5)^2 +7 = 2*25 +7 = 50+7 = 57

(x^3-5)/3

(5^3 -5)/3 = (125-5)/3 = 120/3 = 40

(10x -2)/ (x-3)

(10*5-2)/(5-3) = (50-2)/(2) = 48/2 = 24

A light bulb consumes 3600 watts- hours per day. How many watt - hours does it consume in 5 days and 6 hours?

Answers

Answer:

13500/3600= 3 days and 3/4 of a day

Answer:

18,900 watt-hours for 5 days and 6 hours of use

How to convert from point slope form to slope intercept form

Answers

Answer:

y=mx+(y_1-mx_1), b=y_1-mx_1

Step-by-step explanation:

The point slope form of the equation of a line is given as:

y-y_1=m(x-x_1)

The slope-intercept form of the equation of a line is given as:

y=mx+b

where: m=slope, b=y-intercept.

To convert from the point slope form to slope intercept form, follow these steps:

Step 1: Distribute the right hand side

y-y_1=m(x-x_1)\ny-y_1=mx-mx_1

Step 2: Isolate the y variable

y=mx-mx_1+y_1\ny=mx+(y_1-mx_1)

This is the slope-intercept form. We can evaluate y_1-mx_1 $ given values for $(x_1,y_1)$ and slope, m

Refer to Problem 5.22. How many cookies in a batch of 100should the manager expect to discard if company policy requires
that all chocolate-chip cookies sold have at least four chocolate-chip
parts?

Answers

Answer:

The answer is 2.1

Step-by-step explanation:

To find:

X = number of chips per cookies

Now use the Poisson distribution.

Now, starting from 0 make add four equations like below.

P(x = 0) + P(x = 1) + P(x = 2) + P(x = 3) = 0.021

After this multiple it by 100

And you get 2.1!

Therefore, the answer is 2.1
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