3 years ago

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Mathematics

1 answer:

ICE Princess25 [194]3 years ago

7 0

Answer:

6 $x^{8}$ $y^{5}$

Step-by-step explanation:

Using the rule of exponents

$a^{m}$ × $a^{n}$ ⇔ $a^{(m+n)}$

Given

3x² $y^{4}$ × 2 $x^{6}$ y, then

3 × 2 × x² × $x^{6}$ × $y^{4}$ × $y^{1}$

= 6 × $x^{(2+6)}$ × $y^{(4+1)}$

= 6 $x^{8}$ $y^{5}$

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Answer the question below

lys-0071 [83]

Answer:

A) -1

Step-by-step explanation:

$\frac{3 + 2\sqrt{5} }{2\sqrt{5}-3 } \\$

We can rewrite 2√5 - 3 as -(3 + 2√5)

Therefore,

$\frac{3+ 2\sqrt{5} }{-(3 + 2\sqrt{5} )} \\$

We can cancel out 3 + 2√5 both in the numerator and the denominator. So we get

= 1/-1

= -1

Answer : A) -1

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Your answer is 7.

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2 years ago

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3 years ago

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sattari [20]

Answer:

Step-by-step explanation:

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2 years ago

Please help, multiple choice

Misha Larkins [42]

Answer:

$x=25$

Step-by-step explanation:

If the figures are similar, then the angles are the same. So that means that angle H is equal to angle D (you can count he little arcs in the angle to find it's matching partner). Since this is true:

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$\frac{4x}{4} =\frac{100}{4} \\\\x=25$

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3 years ago