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cestrela7 [59]
3 years ago
9

Please help as soon as possible ​

Mathematics
1 answer:
Inessa [10]3 years ago
7 0

Answer:

75%

Step-by-step explanation:

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Which expression is equivalent to...
torisob [31]

Answer:

x^{\frac{2}{7} } y^{-\frac{3}{5} } \\  i.e answer A.

Step-by-step explanation:

This question involves knowing the following power/exponent rule:

\sqrt[n]{x^m} = x^\frac{m}{n} \\\\so \sqrt[7]{x^2} = x^\frac{2}{7} \\\\and  \\\\ \sqrt[5]{y^3} = y^\frac{3}{5} \\

Next, when a power is on the bottom of a fraction, if we want to move it to the top, this makes the power become negative.

so the y-term, when moved to the top of the fraction, becomes:

y^{-\frac{3}{5} } \\

So the answer is: x^{\frac{2}{7} } y^{-\frac{3}{5} } \\

7 0
2 years ago
Which points lie in Quadrant III? Choose all answers that are correct. A (–8, –2) B(–5, 4) C(–3, –9) D (4, –1) E (7, 0)
Studentka2010 [4]
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A and C
4 0
3 years ago
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slamgirl [31]

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MATH SUCKS

Step-by-step explanation:

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What is the product of 2 1/8 and 4 1/3 ? who ever answer correct will be marked brainlest​
makkiz [27]

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Step-by-step explanation:

8 0
2 years ago
A rocket is launched from a tower. The height of the rocket , y in feet, is related to the time after launch, x in seconds, by t
Nikolay [14]
<h3>Answer:  Max height = 455.6 feet</h3>

========================================================

Explanation:

The general equation

y = ax^2 + bx + c

has the vertex (h,k) such that

h = -b/(2a)

In this case, a = -16 and b = 147. This means,

h = -b/(2a)

h = -147/(2*(-16))

h = 4.59375

The x coordinate of the vertex is x = 4.59375

Plug this into the original equation to find the y coordinate of the vertex.

y = -16x^2+147x+118

y = -16(4.59375)^2+147(4.59375)+118

y = 455.640625

The vertex is located at (h,k) = (4.59375, 455.640625)

The max height of the rocket occurs at the vertex point. Therefore, the max height is y = 455.640625 feet which rounds to y = 455.6 feet

5 0
3 years ago
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