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3 years ago

Which of the following expressions is equivalent to (8x)^2/3 ?

Mathematics

1 answer:

miv72 [106K]3 years ago

5 0

Answer:

Step-by-step explanation:

Given the expression (8x)^2/3

This can also be expressed as;

(8x)^2/3

= (2^3x)^2/3

= (2³)^2/3 * x^2/3

= 2^2 * x^2/3

= 4x^2/3

Hence the equivalent expression is 4x^2/3

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Analyze the diagram below and complete the instructions that follow.

Fynjy0 [20]

Answer:

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Step-by-step explanation:

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2 years ago

50 points

spayn [35]

Answer:

see below

Step-by-step explanation:

whenever there is negative number being squared, you need to add the brackets so that you inside the - 1 in front of the number

so this step is wrong

$\sqrt{ - 9 { }^{2} - 4(1)(20) }$

the -9 ² , you must include the brackets to include the -1 in front of the 9

so it should be

$\sqrt{( - 9) {}^{2} - 4(1)(20) }$

so you will get = 1

and then you continue with other parts of the formula and you will get real solutions

hope this helps

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6 0

2 years ago

Read 2 more answers

Can a triangle have sides with the given lengths? (a) 4, 7, 10 (b) 8, 9, 17

soldier1979 [14.2K]

Answer:

yes it can be scaline triangle

8 0

2 years ago

£140 is divided between Angad, Nick & June so that Angad gets twice as much as Nick, and Nick gets three times as much as Ju

kramer

Answer:

Step-by-step explanation:

Let's say Nick gets amount N, Angad amount A, and June amount J.

Here's what we know:

A+N+J=140

A=2*N

N=3*J.

Let's plug these values in.

N=3*J, so A+N+J=140 can now be A+3*J+J=140.

A=2*N, and N=3*J, so A=2*3*J=6*J. Then, A+3*J+J=140 is now 6*J+3*J+J=140, so 10*J=140 and J=14. N = 3*J=42 and A=2*N=84. Checking this, 14+42+84=140, so we are good to go!

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3 years ago

9/3 *[(18-10)-2^2] 36 12 0.25 0.75

poizon [28]

Answer:

Step-by-step explanation:

Use the PEMDAS

there is a parenthesis and exponents

9/3{(8) - 4)}

Multiply and divide 9/3= 3

Also subtract 8-4 = 4

3{8-4}

3(4)= 12

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3 years ago