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Liono4ka [1.6K]

3 years ago

5

What is the value of the expression 2x^3 when x=-2 and y=3

2 answers:

cestrela7 [59]3 years ago

8 0

Answer:

2x^3

2*-2^3

2*-8

-16

therefore answer is -16

Degger [83]3 years ago

3 0

2(-2)^3
-4^3 (followed pemdas)
-4x-4x-4= -64

( I don’t know why the y is there since it isn’t in the equation? Maybe you didn’t get the whole equation

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Express the rate 50 yards per minute in feet per second. Please answer with supporting work.

DiKsa [7]

First, multiply 50*3 to get the answer in feet which is 150 ft.

Then, divide 150 ft by 60 which would be 2.5 ft per second.

3 0

3 years ago

(3m±4/5n)2<br>solve this question<br>

sukhopar [10]

Answer:

(3m-4/5)2

Final result :

(15m - 4)2

——————————

52

Step by step solution :

Step 1 :

4

Simplify —

5

Equation at the end of step 1 :

4

(3m - —)2

5

Step 2 :

Rewriting the whole as an Equivalent Fraction :

2.1 Subtracting a fraction from a whole

Rewrite the whole as a fraction using 5 as the denominator :

3m 3m • 5

3m = —— = ——————

1 5

Equivalent fraction : The fraction thus generated looks different but has the same value as the whole

Common denominator : The equivalent fraction and the other fraction involved in the calculation share the same denominator

Adding fractions that have a common denominator :

2.2 Adding up the two equivalent fractions

Add the two equivalent fractions which now have a common denominator

Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

3m • 5 - (4) 15m - 4

———————————— = ———————

5 5

Equation at the end of step 2 :

(15m - 4)

(—————————)2

5

Step 3 :

Final result :

(15m - 4)2

———

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Step-by-step explanation:

5 0

2 years ago

Can someone help me with this please? I will mark you brainliest

lina2011 [118]

Answer:

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Step-by-step explanation:

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2 years ago

What are the solutions of the equation 4x2 + 3x = 24 – x?

goldenfox [79]

Answer:

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Step-by-step

hope this helps

6 0

3 years ago

Read 2 more answers

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IrinaK [193]

Answer:

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Step-by-step explanation:

That's what corresponding angles look like? I don't really know how to explain this. Sorry!

7 0

3 years ago

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