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3 years ago

What methods could you use to calculate the x-coordinate of the midpoint of

Mathematics

1 answer:

Yuri [45]3 years ago

5 0

Answer:

Step-by-step explanation:

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Standard division quiz

Pachacha [2.7K]

Where's the question

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3 years ago

Read 2 more answers

8 less than 1/3 a number n is -13

AysviL [449]

Let's set up an equation.

so we know the answer is -13.
1/3 of a number (our variable) can be written as 1/3n.
8 less than that would be subtracting 1/3n by 8

so we have -13 = 1/3n - 8.

To solve:
Add 8 to both sides: -5 = 1/3n
Multiply both sides by 3 (to cancel fraction): -15 = n

You can check by plugging -15 into the equation we made.

7 0

3 years ago

Pleaseeeeeeeeeeeee helppppppppppppppppp

Fittoniya [83]

You really just have to do 12.4 x 2 = 24.8 because half of 24.8 is 12.4.

3 0

3 years ago

Simplify

OlgaM077 [116]

Answer:

see below

Step-by-step explanation:

$\frac{x-1}{x^2-3x+2}+ \frac{x-2}{x^2-5x+6} +\frac{x-5}{x^2-8x+15}$

we need to simplify that

$x^2-3x+2=(x-1)(x-2)\\\\x^2-5x+6=(x-2)(x-3)\\\\x^2-8x+15=(x-3)(x-5)$

so we can continue

$\frac{x-1}{(x-1)(x-2)}=\frac{1}{x-2}\\\\\frac{x-2}{(x-2)(x-3)} =\frac{1}{x-3}\\\\\frac{x-5}{(x-3)(x-5)} =\frac{1}{x-3}$

and we can put all together

$\frac{1}{x-2}+ \frac{1}{x-3}+ \frac{1}{x-3}\\\\\frac{1}{x-2} +\frac{2}{x-3}\\\\\frac{x-3}{(x-3)(x-2)}+ \frac{2(x-2)}{(x-2)(x-3)} \\\\\frac{x-3+2x-4}{(x-3)(x-2)}\\\\\frac{3x-7}{x^2-5x+6}$

3 0

3 years ago

What is the x-intercept? Please help

lesya692 [45]

Answer:

x is left to right y is up and down !!

Step-by-step explanation:

x is left to right y is up and down !! x would be (0,-1) and (0,-3)

7 0

3 years ago