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2 years ago

Can someone help me on these problems and show work

Mathematics

1 answer:

Salsk061 [2.6K]2 years ago

3 0

The simplified expression are as follows;

6mn³ - mn² + 3mn³ + 15mn² = 9mn³ + 14mn²

a⁴b³ + 8a⁴b³ = 9a⁴b³

<h3>How to simplify an expression?</h3>

A simplified expression is express to its lowest term.

Therefore,

6mn³ - mn² + 3mn³ + 15mn²

combine like terms

6mn³ + 3mn³ - mn² + 15mn²

9mn³ + 14mn²

a⁴b³ + 8a⁴b³ = 9a⁴b³

learn more on simplification here: brainly.com/question/403991

#SPJ1

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Ierofanga [76]

Here is your answer

B. $\sqrt{81}$

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3 years ago

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2 years ago

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max2010maxim [7]

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3 years ago

Tension needs to eat at least an extra 1,000 calories a day to prepare for running a marathon. He has only $25 to spend on the e

Elden [556K]

Answer:

Yes, he can buy 8 donuts and 4 energy drinks.

Step-by-step explanation:

If Tension is able to buy 8 donuts and 4 energy drinks, then both inequalities would be valid when we use these numbers as inputs. Let's check each expression at a time:

$0.75*d + 2*e \leq 25\\0.75*8 + 2*4 \leq 25\\6 + 8 \leq 25\\14 \leq 25$

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$360*d + 110*e \geq 1000\\360*8 + 110*4 \geq 1000\\2880 + 440 \geq 1000\\3320 \geq 1000$

The second one is also valid.

Since both expressions are valid, Tension can buy 8 donuts and 4 energy drinks and achieve his goal of having a caloric surplus of at least 1000 cal.

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3 years ago