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8_murik_8 [283]
3 years ago
7

Calculate and give your answer its simplest form. 8 /7 X 7/8 Your answer

Mathematics
1 answer:
Andru [333]3 years ago
4 0

Answer:

1 I believe if your asking in in simplified form and if 8/7 and 7/8 are multiplied

Step-by-step explanation:

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Simplify $\sqrt[3]{\frac{9\sqrt{5}}{2\sqrt{3}}\cdot\frac{5\sqrt{2}}{8\sqrt{2}}}$ and rationalize the denominator. The result can
Alecsey [184]

Answer:

15+6+2=23

Step-by-step explanation:

\sqrt[3]{\frac{9\sqrt{5}}{2\sqrt{3}}\cdot\frac{5\sqrt{2}}{8\sqrt{2}}}\\=\sqrt[3]{\frac{9\sqrt{5}}{2\sqrt{3}}\cdot\frac{5}{8}}\\=\sqrt[3]{\frac{45\sqrt{5}}{16\sqrt{3}}}\\=\sqrt[3]{\frac{45\sqrt{15}}{16}}\\=\sqrt[3]{\frac{3\cdot\sqrt{15^3}}{16}}\\=\frac{\sqrt[3]{3}\cdot\sqrt{15}}{2\cdot\sqrt[3]{2}}\\=\frac{\sqrt[3]{6}\cdot\sqrt{15}}{2}

we want it in the form of \frac{\sqrt{a}\sqrt[3]{b}}{c}, so a = 15, b=6, c=2

also this is the minimum possible value, as we cannot simplify it further

7 0
2 years ago
Can you please help me solve these systems?
sveta [45]
<span>1)
11x+5y=20
2x+5y=-25

multiply the second equation by - 1 and add the result with the first equation:

11x + 5y = 20
- 2x - 5y = 25
-------------------
9x = 45

=> x = 45 / 9

=> x = 5

Replace in </span><span>2x+5y=-25

=> 2(5) + 5y = - 25

5y = - 25 - 10

5y = - 35

y = - 35 / 5

y = - 7


2)

3x+7y=-21

3x-7y=63</span>

Add the two equations:

3x + 3x + 0 = - 21 + 63

6x = 42

=> x = 42 / 6

=> x = 7

Replace in <span>3x-7y=63

3(7) - 7y = 63

=> 7y = 21 - 63

=-> 7y = - 42

=> y = - 42 / 6

=> y = - 7</span>
5 0
4 years ago
Bro this makes no sense can someone explain
pantera1 [17]

Answer:

x=110^o

Step-by-step explanation:

If AB = AD, then you have that triangle ABD is an isosceles triangle (it has two equal sides). If it is isosceles, then the angles opposite to angles those equal sides must be equal. Then angle ADB = 35^o. and by the property of all internal angles of a triangle have to add to 180^o, we get that:

x=180^o-35^o-35^o=110^o

7 0
4 years ago
Read 2 more answers
What is the simplified form of the rational expression below?<br> SX<br> c. 8( Yun?<br> D. 8(**)
frez [133]

Answer: The answer is (5(x-1))/3x

Step-by-step explanation:

5x² - 5/ 3x² + 3x

= 5(x+1)(x-1) all over 3x(x+1)

= 5x - 5 over 3x

Hope this info helps

5 0
3 years ago
Sue has 28 marbles she gives 21 away what is the percent of the marbles does sue still have please tell me how you got the answe
viktelen [127]
She has 21 out of 21/28 marbles left. So 21 ÷ 28 = .75. To convert a decimal to a percent, multiply by 100. .75*100=75
3 0
4 years ago
Read 2 more answers
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