3 years ago

What is 15 and 16 in a decimal

1 answer:

4 0

Those are whole numbers so they can't be broken down into a decimal unless you just want 15.00 and 16.00 or could be .15 and .16

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Consider the quadratic equation 2x² + 72 + k = 0. Which value of k results in the equation having complex solutions?

postnew [5]

Hi there!

$\large\boxed{k> 6.125}$

We can use discriminants to determine the value of k for which the equation would have complex solutions. (Those involving i)

If b² - 4ac < 0, then the equation will have complex solutions. Therefore:

Plug in the given values of b and a to solve:

7² - 4(2)(k) < 0

Simplify:

49 - 8k < 0

Solve the inequality:

49 < 8k

6.125 < k

k > 6.125. Anything greater than 6.125 would result in complex solutions.

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3 years ago

What is 30 over 54 in simplest form

Wittaler [7]

30/54 in simplest form is 5/9

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nadya68 [22]

Answer:

Pyramid

Step-by-step explanation:

Because a pyramid has a polygon as its base

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3 years ago

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Anyone know how to find the area with the missing hypotenuse? Thank you!!!

suter [353]

Answer:

$15 {cm}^{2}$

Step-by-step explanation:

There's no need of hypotenuse for finding area of the triangle. To find the area of a triangle ,

Formula is = $\frac{1}{2} \times base \times height$

Base of the triangle = 10 cm

Height of the traingle = 3 cm

Area of the triangle = $\frac{1}{2} \times 10 \times 3 = 15 {cm}^{2}$

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3 years ago