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ValentinkaMS [17]

1 year ago

13

Find the slope (-10,8) (5,-3)

1 answer:

Anarel [89]1 year ago

8 0

The slope can be calculated with the following formula:

$m=\frac{y_2-y_1}{x_2-x_1}$

In this case, you have the following points:

$undefined$

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Simplify the expression 4x^3/28x^4

KIM [24]

1/7x

Factorize the numbers (4 and 28) as they have a common factor of 4 so you can simplify it to 1/7. Cancel out the 3 in the x (numerator) from the denominator and you will have x^1 remaining in the denominator. That is also the same as x, therefore making it 1/(7x)

5 0

3 years ago

(×-5) second power equals 3

Snezhnost [94]

Answer: $x_1=6.73\\\\x_2=3.26$

Step-by-step explanation:

Given the following expression:

$(x-5)^2=3$

And knowing that:

$(a\±b)^2=a^2-2ab+b^2$

We get:

$x^2-2(x)(5)+5^2=3\\\\x^2-10x+25=3$

Move the 3 to the left side of the equation:

$x^2-10x+25-3=0\\\\x^2-10x+22=0$

Apply the Quadratic formula:

$x=\frac{-b\±\sqrt{b^2-4ac} }{2a}$

In this case:

$a=1\\b=-10\\c=22$

Substituting values into the Quadratic formula, we get:

$x=\frac{-(-10)\±\sqrt{(-10)^2-4(1)(22)} }{2(1)}\\\\\\x_1=6.73\\\\x_2=3.26$

6 0

3 years ago

Which expression is not equivalent to 3x - 2

Delvig [45]

Answer:

The answer is Option one.

Step-by-step explanation:

X+x= 2x and -1 - 1 = -2

7 0

4 years ago

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A bag contains 5 red marbles and 10 blue marbles. What is the probability of randomly selecting a red marble from the bag?

Ostrovityanka [42]

Answer:

1/3

Step-by-step explanation:

5 red marbles + 10 blue marbles = 15 total marbles

5 red marbles / 15 total marbles = 5/15

5/15 = 1/3

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3 years ago

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Need help on this question pls :)

kykrilka [37]

The answer is 11
PLEASE GIVE ME BRAINLIEST

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3 years ago

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