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klio [65]
3 years ago
10

Find the equation of the line through point (−2,−2) and parallel to 3x+4y=12. Use a forward slash (i.e. "/") for fractions (e.g.

1/2.
Mathematics
1 answer:
Vinvika [58]3 years ago
5 0

Answer:

3x + 4y = - 14

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Given

3x + 4y = 12 ( subtract 3x from both sides )

4y = - 3x + 12 ( divide all terms by 4 )

y = - \frac{3}{4} x + 3 ← in slope- intercept form

with slope m = - \frac{3}{4}

Parallel lines have equal slopes, thus

y = - \frac{3}{4} x + c ← is the partial equation

To find c substitute (- 2, - 2) into the partial equation

- 2 = \frac{3}{2} + c ⇒ c = - \frac{7}{2}

y = - \frac{3}{4} x - \frac{7}{2} ← in slope- intercept form

Multiply through by 4 to clear the fractions

4y = - 3x - 14 ( add 3x to both sides )

3x + 4y = - 14 ← in standard form

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Find the equation of the sphere in standard form centered at (−6,10,5) with radius 5.
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Answer:

The equation of the sphere in standard form is

x^{2} +y^{2}+z^{2} +12 x-20 y-10 z+136=0

Step-by-step explanation:

<u>Step 1</u>:-

The equation of the sphere having center and radius is

(x-h)^{2} +(y-k)^{2} +(z-l)^{2} = r^{2}

Given centered of the sphere is (-6,10,5) and radius r=5

(x-(-6))^{2} +(y-10)^{2} +(z-5)^{2} = 5^{2}

on simplification,we get

using (a+b)^{2} =a^{2} +2 a b+b^{2}

using (a-b)^{2} =a^{2} -2 a b+b^{2}

simplify , we get

x^{2} +y^{2}+z^{2} +12 x-20 y-10 z+136=0

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From among the 300 largest cities in the United States, the FleeceU Auto Insurance Company identified the 10 safest and 10 least
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Step-by-step explanation:

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2 years ago
Solve everything for brainiest
IRISSAK [1]

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1. a = 8

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Step-by-step explanation:

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3 years ago
A new car is purchased for 22300 dollars. The value of the car depreciates at 10.25% per year. What will the value of the car be
Roman55 [17]

Answer:

$11654 approx

Step-by-step explanation:

Given data

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Rate= 10.25%

time= 6 years

The expression for the decrease is given as

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substitute

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Is the product of fifteen negative integers positive or negative?
enot [183]

Answer:

the sign of the product of 15 negative numbers will be negative

Step-by-step explanation:

Heya mate!!

The product of odd numbers is odd and the product of even numbers is even.

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Hope this helps!!!

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3 years ago
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