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SIZIF [17.4K]
3 years ago
12

If x^2 + 2= 3^2/3+3^-2/3 then prove that 3x^2+ 9x - 8 = 0.

Mathematics
1 answer:
Karo-lina-s [1.5K]3 years ago
5 0
Lol i’m not 100% sure but i’m am guessing 103 because it would be simplified
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Simplify (x ^2 y)^3. x 2y 3, x 5 y 3, x 6 y 3^
Veronika [31]

Answer:

x^6 y^3

Step-by-step explanation:

(x ^2 y)^3

We know that (ab)^c = a^c  b^c

x^2^3 * y^3

We know that a^b^c = a^(b*c)

x^(2*3) y^3

x^6 y^3

8 0
4 years ago
2. Find the value of root4 (81)-2​
arlik [135]
<h2>Answer: <u><em>1</em></u></h2>

<u />

Step-by-step explanation:

\sqrt[4]{81} -2\\=3-2 \\=1

6 0
2 years ago
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Complete the following sentence.<br><br> The slope of the graph of y = x is
Mrac [35]

Answer:

The slope of y=x is 1

Step-by-step explanation:

Slope = 1

7 0
3 years ago
The measure of angle 1 is (3x + 10)° and the measure of angle 4 is (4x – 15)°. Vertical and parallel lines c, d, and e are cut b
Nikitich [7]

Answer:

95 degrees

Step-by-step explanation:

since angles 1 and 4 are vertical angles, they are congruent

3x+10=4x-15

3x-4x=-15-10

-x=-25

x=25

x=25 degrees

angles 4 and 7 are supplementary due to them being alternate exterior angles

lets find the measure of angle 4:

4x-15

4*25-15

100-15

85 degrees

Now, lets find the angle measure of angle 7:

85+x=180

x=180-85

x=95

So, the angle measure of angle 7 is 95 degrees

5 0
3 years ago
Read 2 more answers
1. Suppose y varies directly as x. If y = 3 when x = 15. then find x when y = 5.
KATRIN_1 [288]

Answer:

when y=3,X=15

here X is five times the value of y

so now when y= 5 then the value of X will be 25

hope you understand......

8 0
3 years ago
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