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3 years ago

Classify the triangle 3 8 12

1 answer:

6 0

<h2>Scalene is the correct answer</h2><h2></h2><h3>(Assuming you mean side lengths when you say 3, 8, 12.)</h3><h3></h3><h3><em>Please let me know if I am wrong.</em></h3>

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A submarine is descending to examine the seafloor 2,100 feet below the surface. it takes the submarine 2 hours to make this desc

Andrej [43]

Answer:

Step-by-step explanation:

x = time

y = elevation

At x = 0 , y = 0

It takes the submarine 2 hours to make descent of 2100 ft

=> x = 2 , y = - 2100

Slope = ( -2100 - 0)/(2 - 0) = -1050

y - 0 = -1050 ( x -0)

=> y = -1050x

1050x + y = 0

represent the relationship between the submarine's elevation and time.

3 0

2 years ago

Using the number line above, select the number that would be the opposite of Point T.

iris [78.8K]

Answer:-9

Step-by-step explanation:

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3 years ago

2x^3-x^2+x-2 factorize

bekas [8.4K]

Answer:

$(x-1)(2x^2+x+2)$

Step-by-step explanation:

Factorize:

$f(x)=2x^3-x^2+x-2$

<u>Factor Theorem</u>

If f(a) = 0 for a polynomial then (x - a) is a factor of the polynomial f(x).

Substitute x = 1 into the function:

$\implies f(1)=2(1)^3-1^2+1-2=0$

Therefore, (x - 1) is a factor.

As the polynomial is cubic:

$\implies f(x)=(x-1)(ax^2+bx+c)$

Expanding the brackets:

$\implies f(x)=ax^3+bx^2+cx-ax^2-bx-c$

$\implies f(x)=ax^3+(b-a)x^2+(c-b)x-c$

Comparing coefficients with the original polynomial:

$\implies ax^3=2x^3 \implies a=2$

$\implies (b-a)x^2=-x^2 \implies b-2=-1 \implies b=1$

$\implies -c=-2 \implies c=2$

Therefore:

$\implies f(x)=(x-1)(2x^2+x+2)$

Cannot be factored any further.

4 0

2 years ago

Read 2 more answers

A hemisphere has a curved surface area of 364.5*22/7. Find its radius.

Stella [2.4K]

Answer:

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Step-by-step explanation:

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6 0

3 years ago

Read 2 more answers

Ghidu it g get stuck didjdgef

timofeeve [1]

Answer:

It would be a

Step-by-step explanation:

the difference is 4/8 but simplified it is 1/2

6 0

2 years ago