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hjlf
3 years ago
7

On the assembly line it takes 2 ½ minutes to complete task one, 3 minutes 10 seconds to complete task two and 1 minute to comple

te the last task to make an item.
How many items can be completed in 25 minutes?
Mathematics
2 answers:
hram777 [196]3 years ago
6 0

How many items can be completed in 25 minutes?How many items can be completed in 25 minutes?

Arlecino [84]3 years ago
3 0
I dont know thats a hard one

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Which expression is equivalent to x y Superscript two-ninths?
crimeas [40]

Option D: x\sqrt[9]{y^2} is the expression equivalent to xy^{\frac{2}{9}}

Explanation:

Option A: \sqrt{xy^9}

The expression can be written as ({xy^9})^{\frac{1}{2}

Applying exponent rule, we get,

x^{\frac{1}{2}} y^{\frac{9}{2}}

Thus, the expression \sqrt{xy^9} is not equivalent to the expression xy^{\frac{2}{9}}

Hence, Option A is not the correct answer.

Option B: \sqrt[9]{xy^2}

The expression can be written as ({xy^2})^{\frac{1}{9}

Applying exponent rule, we get,

x^{\frac{1}{9}} y^{\frac{2}{9}}

Thus, the expression \sqrt[9]{xy^2} is not equivalent to the expression xy^{\frac{2}{9}}

Hence, Option B is not the correct answer.

Option C: x\sqrt{y^9}

The expression can be written as x(y^9)^{\frac{1}{2} }

Applying exponent rule, we get,

x y^{\frac{9}{2}}

Thus, the expression x\sqrt{y^9} is not equivalent to the expression xy^{\frac{2}{9}}

Hence, Option C is not the correct answer.

Option D: x\sqrt[9]{y^{2} }

The expression can be written as x(y^2)^{\frac{1}{9} }

Applying exponent rule, we get,

xy^{\frac{2}{9}}

Thus, the expression xy^{\frac{2}{9}} is equivalent to the expression xy^{\frac{2}{9}}

Hence, Option D is the correct answer.

4 0
3 years ago
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X/y table for #’s 10 & 11?
Nadya [2.5K]
For number 10 the y-intercept is going to be at -1 1/3 not -1. 
4 0
2 years ago
How much money invested at 5% compounded continuously for 3 years will yield at $820?
Oduvanchick [21]

Answer:

Percentage of interest at which the money is invested = 5%

Time for which the money is invested = 3 years

The final amount after 3 years = $820

Let us assume the principal amount = x dollars

We can conclude that the principal amount invested was $708.35.


3 0
3 years ago
Plz HURRY!!!
svetoff [14.1K]

Answer:

I'm pretty sure it's B

Step-by-step explanation:

5 0
3 years ago
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Solve the system algebraically. 2x + y - 10 = 0 x - y - 5 = 0 What is the value of y?
oksian1 [2.3K]
2x+y-10=0
2x+y=10 ------------------->(1)
x-y-5=0
x-y=5------------------------>(2)
(1)+(2); 3x=15
x= 5
(x=5) substitute in (1); y=0
3 0
2 years ago
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