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Svet_ta [14]
3 years ago
13

(x+3)(x-5)=(x+3)(x−5)=

Mathematics
2 answers:
MArishka [77]3 years ago
8 0

●✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎❀✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎●

Hi my lil bunny!

❧⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯☙

Let's solve your equation step-by-step.

( x + 3) ( x - 5) = ( x + 3 ) ( x - 5 ) =

Step 1: Simplify both sides of the equation.

x^2 - 2x - 15 = x^2 - 2x - 15 - x^2\\-2x - 15 = -2x - 15

Step 3: Add 2x to both sides.

-2x - 15 = -2x - 15\\-15 = -15

Step 4: Add 15 to both sides.

-15 + 15 = -15 + 15 \\0 = 0

Answer : All real numbers are solutions.

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●✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎❀✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎●

If this helped you, could you maybe give brainliest..?

Also Have a great day/night!

❀*May*❀

s344n2d4d5 [400]3 years ago
3 0

Answer:

(x+3)(x-5)=(x+3)(x-5)

      x^2-2  = x^2-2

Step-by-step explanation:

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The median of the marks 10, 13, 3x-1, 3x+1, 18, 18 arranged in ascending order is
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Answer:

a. Marks = 10, 13, 14, 16, 18, 18

b. mode = 18

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Step-by-step explanation:

==>Given the following data set arranged in ascending order:

10, 13, 3x-1, 3x+1, 18, 18

Median = 15

==>Required:

a. Marks:

To get each marks, let's find the value of x since we know median to be 15.

10, 13, [3x-1, 3x+1], 18, 18

Our median in this even number of data set would be the average of the 2 middle values which would give us 15.

Thus, we have:

[(3x-1) + (3x+1)] ÷ 2 = 15

[3x-1 + 3x+1] ÷ 2 = 15

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Multiply 2 by both sides

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Now let's plug in the value of x to get out marks:

10, 13, 3(5)-1, 3(5)+1, 18, 18

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b. Mode is the most appeared data value, which is 18

c. Range is the difference between the highest and lowest value = 18 - 10 = 8

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Based on the graphs of f (x) and g(x), what must the domain of (f ⋅ g)(x)be?
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HELP ASAP (MATH)
alexdok [17]

PART - A : tent - 1 volume = 400 cubic ft

Tent -2 volume = 384 cubic ft.

PART - B : I recommend Joe to make the tent -1 with base 10x10 ft. as it has more volume

<u>Step-by-step explanation:</u>

PART - A:

tent 1 :

 Base = 10 x 10ft

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 Volume = (1/3) (10x 10) (12)

 = (1/3) (100) (12)

= 400 cubic ft.

Tent 2:

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 Volume = (1/3) (12 x 12) (8)

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PART - B:

I recommend Joe to make the tent -1 with base 10x10 ft. as it has more volume

 

8 0
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Plz help me on question 1 and show your work plz
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All the edges of a cube are the same length.

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Read 2 more answers
Solve the equation.
lawyer [7]

Answer:

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Step-by-step explanation:

1) Eliminate parentheses:

  0.1x +18.8 = -4 +2x

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  12 = x . . . . . . . . . . . . . divide by 1.9

__

2) Eliminate parentheses:

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_____

<em>Comments on the solutions</em>

The expression we add in each case eliminates the constant on one side of the equation and the variable term on the other side. That leaves an equation of the form ...

  variable term = constant

We choose to eliminate the smaller variable term (the one with the coefficient farthest to the left on the number line). Then the constant we eliminate is the on on the other side of the equation. This choice ensures that the remaining variable term has a positive coefficient, tending to reduce errors.

__

You can work these problems by methods that eliminate fractions. Here, the fractions are decimal values, so are not that difficult to deal with. In any event, it is good to be able to work with numbers in any form: fractions, decimals, integers. It can save some steps.

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