2 years ago

Please help me I don’t understand

Mathematics

1 answer:

ioda2 years ago

8 0

Answer:

-8 I believe

Step-by-step explanation:

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What is 125^2/3 in simplest form? and What is \sqrt[5]({-245} ) ^{5} in simplest form?

Natasha_Volkova [10]

${ 125 }^{ \frac { 2 }{ 3 } }\\ \\ ={ \left( { 125 }^{ \frac { 1 }{ 3 } } \right) }^{ 2 }\\ \\ ={ \left( \sqrt [ 3 ]{ 125 } \right) }^{ 2 }\\ \\ ={ 5 }^{ 2 }\\ \\ =25$

This is because:

${ a }^{ \frac { m }{ n } }\\ \\ =\sqrt [ n ]{ { a }^{ m } }$

Remember that:

5 x 5 x 5 = 125

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3 years ago

Domino's offers the following “deals”:

tia_tia [17]

Answer: Deal one: 5x+10

Deal two: 6x

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3 years ago

7w = 49 Can anybody help me with this one too?

lesantik [10]

Answer:

w=7.

Step-by-step explanation:

Divide 7 on both sides of the equation.

4 0

3 years ago

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How much is 2 1/2 x 3 3/5

Len [333]

The answer is 8.33333333 I believe

6 0

2 years ago

Read 2 more answers

Need simplified please

Romashka-Z-Leto [24]

Answer:

Step-by-step explanation:

7^2 - ( 6-3^3)

PEMDAS

Parentheses first

7^2 - ( 6-3^3)

The exponent in the parentheses first

7^2 - ( 6-27)

7^2 - ( -21)

Now the exponent

49 - (-21)

Now subtract

49 +21

6 0

2 years ago