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3 years ago

A.) 0.3 B.)0.4 C.)0.5 D.)0.6

Mathematics

1 answer:

love history [14]3 years ago

7 0

Answer:

A) 0.3

Step-by-step explanation:

You need to add all of them together first,

126 + 201 + 107 + 120 + 46 = 600

Out of 600, 201 is e, so 201/600 = 0.335, which is also just 0.3

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3 years ago

Which of the following is the solution set of x² + 8x + 12 = 0?

raketka [301]

Answer:

$\fbox{\begin{minipage}{9em}x = -2 and x = -6\end{minipage}}$

Step-by-step explanation:

Given:

$x^{2} + 8x + 12 = 0$

Solve for:

$x$

Solution:

Step 1: Select the formula to solve for $x$

There are some ways to solve quadratic equations.

One of the simple way (if possible) is performing the factorization.

Another way is using the quadratic formula.

Here, we are going to use factorization.

Step 2: Perform factorization

$x^{2} + 8x + 12 = 0$

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<=> $(x^{2} + 2x) + (6x + 12) = 0$

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Is -0.125374 irrational or rational?

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Step-by-step explanation:

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torisob [31]

Answer:

Step-by-step explanation:

$\frac{sin(56)}{78.6} = \frac{sin(90)}{ab} \\ \\ absin(56) = sin(90) \times 78.6 \\ \\ ab = \frac{sin(90) \times 78.6}{sin(56)} \\ ab = 94.8 \\ \\ {x}^{2} + {78.6}^{2} = {94.8}^{2} \\ {x}^{2} = {94.8}^{2} - {78.6}^{2} \\ {x}^{2} = 8987.04 - 6177.96 \\ {x}^{2} = 2809.08 \\ x = \sqrt{2809.08} \\ x = 53$

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