4 years ago

I need help with 49 and 50

Mathematics

1 answer:

vredina [299]4 years ago

3 0

Answer:

both answers are shown and pictured

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To convert 70 minutes to seconds, you would use the ratio .

garri49 [273]

1:60 because there is 60 seconds in 1 minute, so you'd have 70/x=1/60 and then you would cross multiply

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3 years ago

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How do you multiply (x+5)(x+5)(x+5)

Monica [59]

The answer is x^3+15x^2+75x+125
Work: (x+5)^3 , x^3+3x^2*5+3x*5^2+5^3 , 3x*25+125+x^3+15x^2 and you get x^3+15x^2+75x+125

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3 years ago

Find the total number of outcomes when choosing a flavor of ice cream. ( Vanilla, strawberry, chocolate, butterscotch) a topping

Doss [256]

Answer:

Step-by-step explanation:

4 flavors

2 toppings

2 containers

4x 2= 8

8x2=16

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3 years ago

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Select the correct answer.

krek1111 [17]

Answer: c

Step-by-step explanation: Plato

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3 years ago

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Which is equivalent to the following expression? (2x^2+4xy-y^2)+(x^2+3xy-y^2)

Karo-lina-s [1.5K]

Answer C : 3x^2+7xy-2y^2

equivalent to the following expression

$(2x^2+4xy-y^2)+(x^2+3xy-y^2)$

$2x^2+4xy-y^2+x^2+3xy-y^2$

Combine like terms

$2x^2+x^2+4xy+3xy-y^2-y^2$

2x^2 + x^2 is 3x^2

4xy+3xy is 7xy

-y^2-y^2 is -2y^2

So expression becomes

$3x^2+7xy-2y^2$

Answer C is correct

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4 years ago

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