3 years ago

Find the solution to 20 - (-3) - 10 - 6+3 - (-2) - 3. O 10 0 -9 O -5 O 9

Mathematics

2 answers:

Paul [167]3 years ago

5 0

Answer:

the answer is 9.

Step-by-step explanation:

iragen [17]3 years ago

4 0

Answer:

O 9

Step-by-step explanation:

Subtracting a negative turns it into addition. So this becomes 20 + 3 - 10 - 6 + 3 + 2 - 3.

Going through this problem looks like this: 23 - 10, 13 - 6, 7 + 3, 10 + 2, 12 - 3. And you get 9.

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3 years ago

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Arturiano [62]

Answer:

C y = 4x + 5

Step-by-step explanation:

use y = mx + b

we need m and b to complete the equation.

m = slope

b = y-intercept (when x =0)

(0, 5) is the y-intercept because that's when x = 0

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

$m = \frac{9-5}{1-0} = \frac{4}{1} = 4$

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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3 years ago

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The equation 2x2 – 5x = –12 is rewritten in the form of 2(x – p)2 + q = 0. what is the value of q?

Novosadov [1.4K]

2x^2 - 5x + 12 = 0
Factoring out the leading coefficient:
2(x^2 - 5/2 x) + 12 = 0
Completing the square:
2[(x - 5/4)^2 - 25/16] + 12 = 0
2(x - 5/4)^2 - 25/8 + 12 = 0
2(x - 5/4)^2 + 71/8 = 0
q = 71/8

3 0

4 years ago

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