2 years ago

Where can you see where answered questions

Mathematics

2 answers:

Svetlanka [38]2 years ago

8 0

Answer:

<h3>do u mean like ur answered questions or other answered questions u gotta be more specific</h3>

just olya [345]2 years ago

5 0

Wdym are u talking about like on this app??

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I need help. this is the problem x^2/3+10=7x^1/3

Arlecino [84]

$\it x^{\frac{2}{3}}+10=7x^{\frac{1}{3}} \Leftrightarrow (x^{\frac{1}{3}})^2-7x^{\frac{1}
 {3}} +10=0 
\\\;\\
We\ note\ x^{\frac{1}{3}} =t \ \ and \ the \ equation \ will \ be:
\\\;\\
t^2-7t+10 = 0 \Leftrightarrow t^2 -2t-5t+10=0 \Leftrightarrow t(t-2) -5(t-2)=0$

$\it \Leftrightarrow (t-2)(t-5)=0 
\\\;\\
t-2=0 \Rightarrow t=2 \Rightarrow x^{\frac{1}{3}}=2 \Rightarrow (x^{\frac{1}{3}})^3 =2^3 \Rightarrow x = 8
\\\;\\
t-5=0 \Rightarrow t=5 \Rightarrow x^{\frac{1}{3}}= 5 \Rightarrow (x^{\frac{1}{3}})^3 = 5^3 \Rightarrow x = 125$

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3 years ago

What is the value of the expression below?<br> 3.5 x 103

grigory [225]

Answer:

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Step-by-step explanation:

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2 years ago

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Thirteen less than the sum of a number and 7 is -30. Find the number

Verizon [17]

Answer:

do the opposite of the equation so adding is subtracting and multiplying is dividing

-30-7=-37

-37+13=-24

-24 is the answer

-24+7=-17-13=-30

Hope this helps

Step-by-step explanation:

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3 years ago

Stephanie has 6.98 lb of granola to divide into small bags. She will put 0.4 lb of granola in each bag. How many bags will she f

soldier1979 [14.2K]

Answer:

17.45

Step-by-step explanation:

6.98 / 0.4 = 17.45

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