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marta [7]
3 years ago
8

What is the slope of a line parallel to the line whose equation is 12x+15y=225

Mathematics
1 answer:
faltersainse [42]3 years ago
6 0
Y= -4/5 + 25
.....................
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3xsquare-9x-30=0<br> What’s the answer
BartSMP [9]

Answer:

x = - 2 or x = 5

Step-by-step explanation:

Given

3x² - 9x - 30 = 0 ← in standard form

Divide all terms by 3

x² - 3x - 10 = 0

To factor the quadratic

Consider the factors of the constant term (- 10) which sum to give the coefficient of the x- term (- 3)

The factors are - 5 and + 2, since

- 5 × 2 = - 10 and - 5 + 2 = - 3, thus

x² - 3x - 10 = 0

(x - 5)(x + 2) = 0

Equate each factor to zero and solve for x

x - 5 = 0 ⇒ x = 5

x + 2 = 0 ⇒ x = - 2

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Help pls my math teacher is rude​
Digiron [165]

Answer:

2.25 or 2 1/4 pounds

Step-by-step explanation:

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5 0
3 years ago
How do you mark brainiest answer?​
Hoochie [10]

Answer:

there's a blue crown that shows up when either 2 people already answered or if it's been a few days since only 1 person answered, just click that

Step-by-step explanation:

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3 years ago
Distribute &amp;combine 2 -(-x+5)
natita [175]
2-(-x+5)
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I decided to included the steps just in case you needed them

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3 years ago
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