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3 years ago

What is the value of (3/10)^3

Mathematics

1 answer:

Xelga [282]3 years ago

8 0

Answer:

0.027

Step-by-step explanation:

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Which is the correct way to solve the given equation

Karolina [17]

Option 2. $x = \frac{4 \pm \sqrt{(-4)^{2}-4 (1)(-21)}}{2 (1)}$ shows the correct way to use the quadratic formula to solve the given equation.

Step-by-step explanation:

Step 1:

For an equation of the form $ax^{2} +bx+c=0$ the solution is $x=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}$ .

Here a is the coefficient of $x^{2}$ , b is the coefficient of x and c is the constant term.

$x^{2} -4x=21$ can also be written as $x^{2} -4x-21=0.$

Comparing $x^{2} -4x-21=0$ with $ax^{2} +bx+c=0$ , we get that a is 1, b is -4 and c is -21.

To get the solution, we substitute the values of a, b, and c in $x=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}$ .

Step 2:

Substituting the values, we get

$x=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}= \frac{-(-4) \pm \sqrt{(-4)^{2}-4 (1)(-21)}}{2 (1)}.$

$\frac{-(-4) \pm \sqrt{(-4)^{2}-4 (1)(-21)}}{2 (1)} = \frac{4 \pm \sqrt{(-4)^{2}-4 (1)(-21)}}{2 (1)}.$

This is option 2.

7 0

4 years ago

What is 0.41 divided by 3.69

Ratling [72]

$0.41:3.69= \frac{0.41}{3.69} = \frac{0.41\cdot100}{3.69\cdot100} =\frac{41}{369} =\frac{41}{41\cdot9}=\frac{1}{9}$

5 0

3 years ago

HELPPPPPPPPPPPPPP???

yawa3891 [41]

Either it's D. or A. not so sure.

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3 years ago

Fix my mistake one the one that says a golfer has 5 baskets

vovangra [49]

Answer:

I don't understand your question

4 0

2 years ago

Which number can each term of the equation be multiplied by to eliminate the decimals before solving? -m+0.02+2.1m=-1.45-4.81m

Andrews [41]

The number that each term of the equation be multiplied by to eliminate the decimals before solving -m+0.02+2.1m=-1.45-4.81m

It would be better to group all similar numbers.
<span>-m+0.02+2.1m=-1.45-4.81m
</span>-m + 2.1m + 4.81m = -1.45 - 0.02
5.91m = -1.47

The equation shown above, in order for us to eliminate the decimal,
we need to divide 5.91.

4 0

3 years ago

Read 2 more answers