3 years ago

What is the answer to x2+4x +3 =0?

Mathematics

1 answer:

adell [148]3 years ago

8 0

(x+1) (x+3)
the zeroes of the function are negative 1 and negative 3

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An 8.0 kg block is moving at 3.2 m/s. A net force of 10 N is constantly applied on the block in the direction of its movement, u

Softa [21]

Answer:

5.02 m/s

Step-by-step explanation:

We are given that

Mass of block,m=8 kg

Initial velocity,u=3.2 m/s

Net force ,F=10 N

Distance,s=6 m

We have to find the approximate final velocity of the block.

We know that $a=\frac{F}{m}$

Using the formula

$a=\frac{10}{8}=\frac{5}{4} m/s^2$

We know that

$v=\sqrt{u^2+2as}$

Using the formula

$v=\sqrt{(3.2)^2+2\times \frac{5}{4}\times 6}$

$v=5.02 m/s$

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3 years ago

Simplify the following fractions by putting them in lowest terms or by performing the indicated operations.

AleksAgata [21]

The answer is 9(3+x)
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3 years ago

Least common multiple of 5, 25, 65

Lelechka [254]

325 is the answer to this equation.

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3 years ago

Please answer thanks you (:

dimulka [17.4K]

Answer:

Step-by-step explanation:

I believe it is B because it is the only one that doesnt have x values that repeat and give different answers.

Ex. For a, the x value in the first and third coords gives both 1 and 3 as answers.

Every x has to have a unique y value, so

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Sorry if this doesnt make sense haha

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3 years ago

Divide by 1 digit numbers divide and check. 631 divided by 4.

Bezzdna [24]

631 divided by 4 is 15.75 rounded to 16. To check you multiply 4 by 15.75 to get 631. Please brainly if ti helps! :D

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3 years ago

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