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BartSMP [9]
2 years ago
15

Which expression is equivalent

Mathematics
1 answer:
VLD [36.1K]2 years ago
8 0

Answer:

B)

Step-by-step explanation:

You must divide these fractions with square roots:

18x^{2}\sqrt{14x^8} / 6\sqrt{7x^4} = 3x^{2} \sqrt{2x^4} = 3x^{2}\sqrt{2}x^{2} = 3x^4\sqrt{2}

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Please help! this is for a test! what do i write???
Nadya [2.5K]

Answer:

128/3 - peas 128/9 corn

Step-by-step explanation:

it is too long

7 0
3 years ago
Read 2 more answers
What is the solution to 2x2+8x=x2-16?<br> O x=4<br> O x=-2<br> O x=2<br> O x=4
muminat

Answer:

I think its x=2 sorry if im wrong

Step-by-step explanation:

6 0
2 years ago
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Simplify 0.75 (5v+11)-0.25 (11+v)
wariber [46]
<span>2 • (7v + 11) over  4 is your answer :)</span>
5 0
3 years ago
What two rational expressions sum to 2x+3/x^2-5x+4
Anni [7]

Answer:

\frac{2x + 3}{(x- 1)(x - 4)} = \frac{-5}{3(x- 1)} + \frac{11}{3(x - 4)}

Step-by-step explanation:

Given the rational expression: \frac{2x + 3}{x^2 - 5x + 4}, to express this in simplified form, we would need to apply the concept of partial fraction.

Step 1: factorise the denominator

x^2 - 5x + 4

x^2 - 4x - x + 4

(x^2 - 4x) - (x + 4)

x(x - 4) - 1(x - 4)

(x- 1)(x - 4)

Thus, we now have: \frac{2x + 3}{(x- 1)(x - 4)}

Step 2: Apply the concept of Partial Fraction

Let,

\frac{2x + 3}{(x- 1)(x - 4)} = \frac{A}{x- 1} + \frac{B}{x - 4}

Multiply both sides by (x - 1)(x - 4)

\frac{2x + 3}{(x- 1)(x - 4)} * (x - 1)(x - 4) = (\frac{A}{x- 1} + \frac{B}{x - 4}) * (x - 1)(x - 4)

2x + 3 = A(x - 4) + B(x - 1)

Step 3:

Substituting x = 4 in 2x + 3 = A(x - 4) + B(x - 1)

2(4) + 3 = A(4 - 4) + B(4 - 1)

8 + 3 = A(0) + B(3)

11 = 3B

\frac{11}{3} = B

B = \frac{11}{3}

Substituting x = 1 in 2x + 3 = A(x - 4) + B(x - 1)

2(1) + 3 = A(1 - 4) + B(1 - 1)

2 + 3 = A(-3) + B(0)

5 = -3A

\frac{5}{-3} = \frac{-3A}{-3}

A = -\frac{5}{3}

Step 4: Plug in the values of A and B into the original equation in step 2

\frac{2x + 3}{(x- 1)(x - 4)} = \frac{A}{x- 1} + \frac{B}{x - 4}

\frac{2x + 3}{(x- 1)(x - 4)} = \frac{-5}{3(x- 1)} + \frac{11}{3(x - 4)}

7 0
2 years ago
Help me plzzzzzzzzzzzzzzzzzz
omeli [17]
Can u Plz Mark as brainlest
<span>4x + 6 = 62 Subtract 6 from both sides 4x = 56 Divide 4 from both side x = 14 14 + 14 + 1 + 14 + 2 + 14 + 3 = 62 62 = 62 The youngest age is 14
</span>Its really easy as you can see hope this helps

5 0
3 years ago
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