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3 years ago

.416 rounded to the nearest thousands.

Mathematics

2 answers:

Xelga [282]3 years ago

7 0

.416 is rounded to the nearest thousandth

Trava [24]3 years ago

7 0

It is about approximately or about .420. Because it you go to the thousands place and underline 1 and underline 6 that's what you will get.

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14 boys and 21 girls will be equally divided into groups. Find the greatest number of groups that can be created if no one is le

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3 years ago

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3 years ago

What are the exact solutions of x2 − 5x − 7 = 0, where x equals negative b plus or minus the square root of b squared minus 4 ti

Marat540 [252]

Answer:

$x = \frac{5 + \sqrt{53}}{2}$ or $x = \frac{5 - \sqrt{53}}{2}$

Step-by-step explanation:

Given

$x^2 - 5x - 7 = 0$

Required

Solve for x using:

$x = \frac{-b \± \sqrt{b^2 - 4ac}}{2a}$

First, we need to identify a, b and c

The general form of a quadratic equation is:

$ax^2 + bx + c = 0$

So, by comparison with $x^2 - 5x - 7 = 0$

$a = 1$ $b = -5$ $c = -7$

Substitute these values of a, b and c in

$x = \frac{-b \± \sqrt{b^2 - 4ac}}{2a}$

$x = \frac{-(-5) \± \sqrt{(-5)^2 - 4 * 1 * -7}}{2 * 1}$

$x = \frac{5 \± \sqrt{25 +28}}{2}$

$x = \frac{5 \± \sqrt{53}}{2}$

Split the expression to two

$x = \frac{5 + \sqrt{53}}{2}$ or $x = \frac{5 - \sqrt{53}}{2}$

To solve further in decimal form, we have

$x = \frac{5 + 7.28}{2}$ or $x = \frac{5 - 7.28}{2}$

$x = \frac{12.28}{2}$ or $x = \frac{-2.28}{2}$

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3 years ago

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Tresset [83]

Answer:

It is not well defined.

Step-by-step explanation:

Because set is a collection of well defined objet. And matter contains of solid, liquid and gas

3 0

3 years ago

It's a PEMDAS question

monitta

[3 * (2 + 4)] - 4

Solve inside the brackets first.
Solve the parentheses inside the brackets, (2 + 4).

[3 * (6)] - 4

Now solve 3 * 6.

18 - 4

18 - 4 = 14, so your answer is:

4 0

3 years ago

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