4 years ago

WILLL GIVE A BRAINLEST FOR RIGHT ANSWER

Mathematics

2 answers:

olchik [2.2K]4 years ago

6 0

Answer:

with a sample survey

I am Lyosha [343]4 years ago

4 0

Answer:

Sample Survey

Thank Me Later ;)

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In expansion of (2x+1)(x^2+px+4), the coefficient of x is twice the coefficient of x^2.

Brilliant_brown [7]

You're probably supposed to find the value of p and not x, which is impossible to do.

Expanding gives

$(2x+1)(x^2+px+4)=2x^3+(1+2p)x^2+(8+p)x+4$

We're told that

$8+p=2(1+2p)$

which we can use to solve for p:

$8+p=2+4p$

$6=3p$

$\boxed{p=2}$

7 0

4 years ago

What is the slope of the line passing through the points (2, 5) and (-1, -4)? Show all your work.

Licemer1 [7]

Hi!

Step-by-step explanation:

$SLOPE=\frac{Y_2-Y_1}{X_2-X_1}=\frac{(-4)-5}{(-1)-2}=\frac{-9}{-3}=3$

Slope is 3.

Hope this helps!

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4 years ago

Find the vertex of the parabola algebraically; f(x) = x^2 - 8x + 3

Kitty [74]

Answer:

( 4 ,− 13 )

Step-by-step explanation:

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3 years ago

Hannah loves to read. She read 2 pages of a book in a bookstore before she bought it. She graphs her progress on the book since

Kisachek [45]

The answer is: 2 pages per minute

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2 years ago

Help please!!!!!!! help

barxatty [35]

Answer:

1. / 2. /4. / 6.

Step-by-step explanation:

Those are the answers you have to divide them by 2 and multiply by 3

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3 years ago

Read 2 more answers