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valentinak56 [21]

3 years ago

15

Express 3.12 as a fraction in lowest terms.

2 answers:

snow_lady [41]3 years ago

7 0

Answer:

3 3/25

Step-by-step explanation:

The number 3.12 has a decimal number of 0.12. We know that numbers after the point is divided by 100. Therefore 0.12 is:

$=12/100$

We can simplify this by dividing by 4. Four goes into twelve 3 times and into a hundred 25 times:

$=12/100=3/25$

Theforet the answer is 3 3/25.

ElenaW [278]3 years ago

3 0

$\frac{312}{100}$
= $\frac{156}{50}$
= $\frac{78}{25}$
= 3 $\frac{3}{25}$

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What is 3/15 in a decimal

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3 years ago

Which equation could be solved using this application of the quadratic formula? A. -2x2 â’ 8 = 10x â’ 3 B. 3x2 â’ 8x â’ 10 = 4 C

hodyreva [135]

The given question can be solve using quadratic formula.

The correct option is (c) $3x^2 +8x -10=-8$ .

Given:

The given equation is,

$x=\dfrac{-8\pm\sqrt{8^2-4(3)(-1)}} {2(3)}$ ---------------------------(1)

Write the general quadratic equation.

$ax^2 + bx +c=0$

Write the quadratic formula.

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Compare equation (1) and (2).

$a=3\\b=8\\c=-2$

Substitute the value of $a$ , $b$ and $c$ in general quadratic.

$3x^2 +8x -2=0$

Subtract $8$ from each side of above equation.

$3x^2 +8x -2 -8=0-8\\3x^2 +8x -10=-8$

Thus, the correct option is (c) $3x^2 +8x -10=-8$ .

Learn more about quadratic equation here:

brainly.com/question/17177510

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3 years ago