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4 years ago

(x+y+2)(y+1) It is multiple choice

Mathematics

1 answer:

kolezko [41]4 years ago

5 0

There there should be an answer choice of....

$xy+ y^{2} +x+3y+2$

Have a great day! :D

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An airplane cruises 1 kilometer in 1/12 of a minute. what is its cruising speed?

rewona [7]

Answer:

An airplane cruises 1 kilometer in 1/12 of a minute. What is its cruising speed?<u>200</u>

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3 years ago

HELP!

Soloha48 [4]

28 times 1/7 would give you 4

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3 years ago

Transform the given quadratic function into vertex form f(x) = quadratic function into vertex form f(x) = quadratic function int

melisa1 [442]

Answer:

Vertex form: $f(x) =(x +\frac{7}{2})^2 -\frac{53}{4}$

The vertex is $(-\frac{7}{2},-\frac{53}{4})$

Step-by-step explanation:

For a general quadratic function the form is:

$ax ^ 2 + bx + c$

For the function

$f(x) = x ^ 2+ 7x -1$

The values of the coefficients for the function are the following: $a = 1$ , $b =7$ , $c = -1$

Take the value of b and divide it by 2. Then, the result obtained squares it.

$\frac{b}{2}= \frac{7}{2}$

$(\frac{b}{2})^2=(\frac{7}{2})^2=\frac{49}{4}$

Add and subtract $\frac{49}{4}$

$f(x) = (x ^ 2 +7x +\frac{49}{4}) -\frac{49}{4}- 1$

Write the expression of the form

$f(x) = (x+\frac{b}{2})^2 +k$

$f(x) =(x +\frac{7}{2})^2 -\frac{53}{4}$

The vertex is $(-\frac{7}{2},-\frac{53}{4})$

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4 years ago

Hiking up a mountain, you notice that the air temperature drops 10°C for every 1,000 meters increase in elevation. Write a multi

den301095 [7]

Answer:

30,000

Step-by-step explanation:

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3 years ago

What number best completes both equations

VikaD [51]

15/7 or 2 1/7 (same number but the first one is an improper fraction and the other is a mixed fraction)

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4 years ago