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3 years ago

0.5 divided by 10 please help me

Mathematics

1 answer:

Luden [163]3 years ago

4 0

Answer:

0.05

Step-by-step explanation:

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Melanie and brad each drink 10 cups of water every day. Lara drinks 3 quarts of water every day. How many gallons of water do th

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That is 23 gallon a day

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3 years ago

Rationalize the denominator of square root of negative 49 over open parentheses 7 minus 2 i close parentheses minus open parenth

navik [9.2K]

The answer is the option d, which is: d) $\frac{-77+21i}{130}$

The explanation for this problem is shown below:

1. Smplify the denominator and rewrite the numerator in this form:

$\frac{7i}{7-2i-4-9i} \\\frac{7i}{3-11i}$

2. Multiply the denominator and the numerator by the conjugated $(3+11i)$ and simplify the expression, as following:

$\frac{7i(3+11i)}{(3-11i)(3+11i)} \\ \frac{21i+77i^{2}}{121+9} \\ \frac{-77+21i}{130}$

3. As you can see, you obtain the expression shown in the option mentioned above.

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4 years ago

Find the axis of symmetry for this parabola:

aalyn [17]

The graph of the given Quadratic equation is attached in the Answer, where we can se that the axis of symmetry is :

x = 1

3 0

3 years ago

A cube has side length 0.7 metres.

Nadya [2.5K]

Answer:

2.94

Step-by-step explanation:

Area of one plane moultyply by number of planes

0.7*0.7*6

=2.94

7 0

4 years ago

(4x-1) /2=x+7<br>4x-1 all over 2 = x +7

Damm [24]

Answer:

x = $\frac{15}{2}$

Step-by-step explanation:

Given

$\frac{4x-1}{2}$ = x + 7 ( multiply both sides by 2 to clear the fraction )

4x - 1 = 2(x + 7) ← distribute

4x - 1 = 2x + 14 ( subtract 2x from both sides )

2x - 1 = 14 ( add 1 to both sides )

2x = 15 ( divide both sides by 2 )

x = $\frac{15}{2}$

7 0

3 years ago