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RideAnS [48]
3 years ago
14

Which expression is equivalent to 3/56x^7y^5 , if x ≠0 and y≠0

Mathematics
1 answer:
Mariulka [41]3 years ago
3 0

Answer:

2x^2y\sqrt[3]{7xy^2}

Step-by-step explanation:

Given

\sqrt[3]{56x^7y^5}

Required

Solve

Expand

\sqrt[3]{8*7*x^6*x*y^3*y^2}

Rewrite as:

\sqrt[3]{8*x^6*y^3*7*x*y^2}

Split

\sqrt[3]{8*x^6*y^3} *\sqrt[3]{7*x*y^2}

Express 8 as 2^3

\sqrt[3]{2^3*x^6*y^3} *\sqrt[3]{7*x*y^2}

Apply law of indices

2^{(3/3)}*x^{(6/3)}*y^{(3/3)} *\sqrt[3]{7*x*y^2}

2*x^2*y *\sqrt[3]{7*x*y^2}

2x^2y *\sqrt[3]{7xy^2}

2x^2y\sqrt[3]{7xy^2}

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Given: -1/2x &gt; 6.<br><br> Choose the solution set.
kompoz [17]

Answer:

x < -12

Step-by-step explanation:

-1/2x > 6

Multiply by -2 to isolate x

Remember that when multiplying by a negative, we flip the inequality

-2 * -1/2x < 6*-2

x < -12

4 0
3 years ago
Pls help me with my math
natka813 [3]

Answer:

d.

Step-by-step explanation:

Left line is defined when x < 1 (x is less than 1). The point is not full and that means that x = 1 is not included.

Right line is defined when x is greater or equal to one x ≥ 1.

Options that have x < 1 and x ≥ 1 are b and d, so the answer is one of those.

Equations of the lines are in slope-intercept form y = mx + b, where m is slope and b is y-intercept.

Right line has steeper slope than left line, so the slope of right line will have bigger absolute value. That is the case with option d. (Left line has slope -1 and right one has slope -2, absolute value of right slope is bigger.)

You could also check with y-intercepts. Left line has y-intercept at y = 2 and left line is defined when x < 1. Only option d meets these conditions.

4 0
1 year ago
Dayton picked 56 lemons. Zaiden picked 8 lemons. How many times as many lemons did Dayton pick as zaiden?
Dmitrij [34]

Answer:

7 times as many lemons

Step-by-step explanation:

56/8 = 7

5 0
3 years ago
Good morning temperature is -15° but the afternoon the temperature raises by 20° right in addition expressions for the afternoon
stealth61 [152]

Answer:

+ 5°

Step-by-step explanation:

Given,

Good morning temperature = -15°

Raise in temperature = 20°

Afternoon temperature = -15° + 20°

           = + 5°

Hence, temperature in after noon is equal to + 5°.

7 0
2 years ago
Find the area of the composite figure
Orlov [11]
8 x 7 x 10 x 6 = 3360 ft . I believe this should be the answer. 
8 0
3 years ago
Read 2 more answers
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