2 years ago

Y=x^2+5x-8 to factored form

Mathematics

1 answer:

almond37 [142]2 years ago

5 0

Answer:

Factor and set each factor equal to zero. Y=x2+5x−8

Step-by-step explanation:

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7. What is the equation of a circle with a

Anni [7]

Answer:

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Step-by-step explanation:

equation of circle $(x-x_1)^2+(y-y_1)^2=r^2where r=redius of circle,[tex](x_1,y_1)$ is centre of circle

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put the value of centre and redius in the equation

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An engineer is planning a new water pipe installation. The circular pipe has a diameter of d=20\text{ cm}d=20 cmd, equals, 20, s

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Answer: The answer is 314.28 cm² (approx.).

Step-by-step explanation: Given that an engineer is going to install a new water pipe. The diameter of this circular pipe is, d = 20 cm.

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Given, diameter of the circular section is

$\textup{d}=20~\textup{cm}.$

So, the radius of the circular cross-section will be

$\textup{r}=\dfrac{\textup{d}}{2}=\dfrac{20}{2}=10~\textup{cm}.$

Therefore, cross-sectional area of the pipe is

$\textup{A}=\pi \textup{r}^2=\dfrac{22}{7}(10)^2=\dfrac{2200}{7}=314\dfrac{2}{7}=314.28~.~.~.~\textup{cm}^2.$

Thus, the answer is 314.28 cm² (approx.).

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Is 4 greater than 4.002?

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