3 years ago

Write the equation of the directrix of the conic section shown below.

Mathematics

1 answer:

Aneli [31]3 years ago

3 0

<span>The equation of the directrix of the conic section </span>y^2 + 16y + 4x + 4 = 0 is x = 16.

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Which of the following expressions are equivalent to \left(9\dfrac{7}{8} + 2\dfrac{4}{5}\right)-\dfrac{1}{2}(9 87 +2 54 )− 21

lora16 [44]

Answer:

$12\dfrac{7}{40}$

Step-by-step explanation:

The given expression is

$\left(9\dfrac{7}{8} + 2\dfrac{4}{5}\right)-\dfrac{1}{2}$

We need to find the simplified form of the given expression.

It can be rewritten as

$\left(9+\dfrac{7}{8} + 2+\dfrac{4}{5}\right)-\dfrac{1}{2}$

Combine integers and fractions separately.

$(9+2)+(\dfrac{7}{8}+\dfrac{4}{5}-\dfrac{1}{2})$

Taking LCM we get

$11+\dfrac{35+32-20}{40}$

$11+\dfrac{47}{40}$

In can be written as

$11+\dfrac{40+7}{40}$

$11+1+\dfrac{7}{40}$

$12+\dfrac{7}{40}$

$12\dfrac{7}{40}$

Therefore, the expression $12\dfrac{7}{40}$ is equivalent to the given expression.

5 0

3 years ago

Round to the nearest tenth 3.2649

katovenus [111]

Answer:

3.3

Step-by-step explanation:

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3 years ago

How to find the Perimeter?

SOVA2 [1]

Answer:

8+2 $\sqrt{20\\}\\$

Step-by-step explanation:

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4^2+2^2=h^2

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h= $\sqrt{20\\}\\$

7 0

3 years ago

A number n plus 8 is greater than 11? What is the inequality and the solution?

fomenos

Answer:

n+8 > 11

subtract 8 from 11

n>3

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Read 2 more answers

i beg of yall a crown, 5 stars, a heart and a ty comment to answer my questions iv posted on my profile, ill be posting more too

Over [174]

Answer:

I would say the answer is $5.00/lb

Have a wonderful day!

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3 years ago