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3 years ago

14

Someone please help!!!!!! 5−a+4a=

1 answer:

lianna [129]3 years ago

4 0

Answer: 3a+5

Step-by-step explanation:

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What is the following simplified product? Assume x greater-than-or-equal-to 0

nlexa [21]

Answer:

$10x^4\sqrt{6}+x^3\sqrt{30x}-10x^4\sqrt{3}-x^3\sqrt{15x}$

Step-by-step explanation:

Remove perfect squares from under the radicals.

$(\sqrt{10x^4}-x\sqrt{5x^2})(2\sqrt{15x^4}+\sqrt{3x^3})\\\\=(\sqrt{10x^4})(2\sqrt{15x^4}) +(\sqrt{10x^4})(\sqrt{3x^3}) -(x\sqrt{5x^2})(2\sqrt{15x^4}) -(x\sqrt{5x^2})(\sqrt{3x^3})\\\\=2\sqrt{150x^8}+\sqrt{30x^7}-2x\sqrt{75x^6}-x\sqrt{15x^5}\\\\=\boxed{10x^4\sqrt{6}+x^3\sqrt{30x}-10x^4\sqrt{3}-x^3\sqrt{15x}}$

_____

The applicable rules of exponents are ...

(x^a)(x^b) = x^(a+b)

√(a^2) = a . . . . . . . for a > 0

(√a)(√b) = √(ab)

5 0

3 years ago

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Use partial products to multiply 2,104 x 8. 2,104 32 8 x 4 ones 0 8 x 0 tens N 1 hundreds 8 x 2 thousands - 16.000

xeze [42]

9514 1404 393

Answer:

16832

Step-by-step explanation:

As your problem statement says, ...

2104 × 8 = 4×8 +00×8 +100×8 +2000×8

= 32 +0 +800 +16000

= 16,832

7 0

3 years ago

1. Rational or irrational?<br> 11/5

nignag [31]

The answer is irrational

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3 years ago

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Given, f(x) = 2x + 7<br> Find f(3)

Elina [12.6K]

Answer:

<em>f(3) = 13</em>

Step-by-step explanation:

<em>f(x) = 2x + 7</em>

<em>replace </em><em>x</em><em> with </em><em>3</em>

<em>f(3) = 2×3 + 7</em>

<em>= 6 + 7</em>

<em>= 13</em>

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3 years ago

What is the area of the figure shown?

ExtremeBDS [4]

Step-by-step explanation:

$3.5 \times 6 + (5 - 3.5) \times 6 \div 2 = \\ = 21 + 9 \div 2 = \\ = 25.5$

6 0

3 years ago

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