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maxonik [38]
3 years ago
12

1) through: (2,0), slope = -4/5

Mathematics
1 answer:
fenix001 [56]3 years ago
3 0

Step-by-step explanation:

Given:

(2,\:0)=(x_1,\:y_1) \:\&\: m = - \frac{4}{5}

Equation of line in slope point form is given as=

y - y_1 = m(x-x_1)  \\  \therefore \: y - 0 =   - \frac{4}{5}(x - 2)  \\  \therefore \: y =   - \frac{4}{5}(x - 2)  \\ \therefore \: 5y =  - 4(x - 2) \\  \therefore \: 5y =  - 4x  + 8 \\ \therefore \: 5y  + 4x   - 8 = 0 \\\therefore \: 4x + 5y - 8 = 0 \\ which \: is \: the \:equation  \:of \:  required \:  \\ line.\:

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What is the product of (-4x2-5x-1)(4x2-6x-2)
Stells [14]
(-4x2-5x-1)(4x2-6x-2)

Final result :

-2 • (13x + 1) • (2x2 - 3x - 1)
Reformatting the input :

Changes made to your input should not affect the solution:

(1): "x2" was replaced by "x^2".

Step by step solution :

Step 1 :

Equation at the end of step 1 :

(-13x - 1) • ((22x2 - 6x) - 2)
Step 2 :

Pulling out like terms :

3.1 Pull out like factors :

-13x - 1 = -1 • (13x + 1)

Step 3 :

Pulling out like terms :

4.1 Pull out like factors :

(4x2 - 6x - 2) = 2 • (2x2 - 3x - 1)

Trying to factor by splitting the middle term

4.2 Factoring 2x2 - 3x - 1

The first term is, 2x2 its coefficient is 2 .
The middle term is, -3x its coefficient is -3 .
The last term, "the constant", is -1

Step-1 : Multiply the coefficient of the first term by the constant 2 • -1 = -2

Step-2 : Find two factors of -2 whose sum equals the coefficient of the middle term, which is -3 .

-2 + 1 = -1
-1 + 2 = 1

Observation : No two such factors can be found !!
Conclusion : Trinomial can not be factored

Step 4 :

Pulling out like terms :

5.1 Pull out like factors :

-26x - 2 = -2 • (13x + 1)

Final result :

-2 • (13x + 1) • (2x2 - 3x - 1)
7 0
4 years ago
Can someone pls give me the answer to this?
drek231 [11]

Answer:

Step-by-step explanation:

OPTION 3

3 0
3 years ago
What is the domain of 3x^2-x-2
pshichka [43]

Answer:

All real numbers

Step-by-step explanation:

There is no real number that makes the expression undefined, therefore the domain would be all real numbers.

5 0
3 years ago
PLEASE HELP .........
joja [24]

Answer:

11860.22 rev/hour

Step-by-step explanation:

The diameter if a cylinder, d = 21.02 inches

Radius, r = 10.51  inches

or

r = 0.875 feet

The linear speed of a point on the cylinder's surface is 18.12 ft/sec.

We need to find the angular speed of the cylinder.

The relation between the linear speed and the angular speed is given by :

v=r\omega

Where

\omega is angular speed

\omega=\dfrac{v}{r}\\\\\omega=\dfrac{18.12}{0.875}\\\\\omega=20.7\ rad/s

or

\omega=11860.22\ rev/hour

So, the required angular speed of the cylinder is 11860.22 rev/hour.

4 0
3 years ago
I need help ASAP!!!!!!!
spin [16.1K]

Answer:

left side 7 right side 9

Step-by-step explanation:

it wont just let me tell you the answer

4 0
3 years ago
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