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horsena [70]
3 years ago
12

What is the slope of any parallel to the line 8x + 9y = 3 in the standard (x,y) coordinate plane?

Mathematics
1 answer:
iris [78.8K]3 years ago
8 0

Answer:y=−8x9+13 y = - 8 x 9 + 1 3 have the same slope of −89 .

Step-by-step explanation: Just do it.

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-6(7) + 36 + (-12)<br> Helpppppp
Radda [10]

Answer:

-18

Step-by-step explanation:

8 0
3 years ago
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Line M passes through points (2,-5) and (4, -3). Line N passes through points (-4, -8) and (-6,-6). Are lines M and N perpendicu
melamori03 [73]

Answer:

Yes, the lines are perpendicular because the product of their slopes equals -1 ⇒ B

Step-by-step explanation:

The product of the slopes of the perpendicular lines is -1

So to prove that the lines are perpendicular let us find their slopes

The rule of the slope is:

m=\frac{y2-y1}{x2-x1} , where (x1, y1) and (x2, y2) are two points on the line

∵ Line M passes through points (2, -5) and (4, -3)

∴ x1 = 2 and x2 = 4

∴ y1 = -5 and y2 = -3

→ By using the rule of the slope above

∴ m=\frac{-3-(-5)}{4-2}=\frac{-3+5}{2}=\frac{2}{2}

∴ The slope of line M is 1

∵ Line N passes through points (-4, -8) and (-6, -6)

∴ x1 = -4 and x2 = -6

∴ y1 = -8 and y2 = -6

→ By using the rule of the slope above

∴ m=\frac{-6-(-8)}{-6-(-4)}=\frac{-6+8}{-6+4}=\frac{2}{-2}

∴ The slope of line N is -1

∵ 1 × -1 = -1

∴ The product of the slopes of lines M and N is -1

∴ Lines M and N are perpendicular

∴ Yes, the lines are perpendicular because the product of their

   slopes equals -1.

6 0
3 years ago
At a local hardware store, Ms. Jones learned that 1 would cost her $.50, 12 would cost $1.00, and the price of 144 would be $1.5
ozzi
House/garage numbers? Like what you stick on your house so the postman knows which one is which.
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3 years ago
If a shape has triple the dimensions of a similar shape then it has _______ the area *
IrinaK [193]

Answer:

9 times

Step-by-step explanation:

The best way to go about this is to give actual figures

Let us consider rectangular shape

Let us have a rectangle with dimensions 6 m by 12 m

The area will be 6 * 12 = 72 m^2

The shape having a similar dimension would have dimensions 12m by 36 m

So its area will be ;

18 * 36 = 648 m^2

So we finally proceed to make a division

Mathematically, that will be 648/72 = 9

So the area will be in the ratio of 1 to 9

7 0
3 years ago
Subtract the polynomials.
Mama L [17]

Answer:

B

Step-by-step explanation:

Given

(4x² - 3x - 4) - (3x² + 4x - 8) ← distribute by - 1

= 4x² - 3x - 4 - 3x² - 4x + 8 ← collect like terms

= x² - 7x + 4 → B

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3 years ago
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