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Liono4ka [1.6K]
3 years ago
8

Which polynomials are in standard form

Mathematics
1 answer:
STALIN [3.7K]3 years ago
3 0

Answer:

A,C,E

Step-by-step explanation:

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A young boy has 40 total pets. He has two different types of pets. He has cats and penguins. The total number of the heads of hi
Nina [5.8K]

Answer:

He has 30 penguins and 10 cats.

Step-by-step explanation:

Let's define the variables:

C =  number of cats.

P = number of penguins.

We know that he has a total of 40 pets, then:

C + P = 40

We also know that the total heads (40 heads, each animal has one) plus the number of wings (P*2, each penguin has 2) is equal to the number of feet of his pets (4*C + 2*P, because each cat has 4 paws, and each penguin has 2)

Then we have the equation:

40 + 2*P = 4*C + 2*P

Notice that in the second equation we have the term 2*P in both sides of the equation, then we can just subtract 2*P in both sides to get:

(40 + 2*P) - 2*P = 4*C + 2*P - 2*P

40 = 4*C

Now with this, we can find the value of C.

40/4 = C = 10

Then he has 10 cats.

Now we can replace this in the equation:

P + C = 40

to find the value of P

P + 10 = 40

P = 40 - 10 = 30

P = 30

He has 30 penguins.

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3 years ago
HELP <br> multiple choice question
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Round 2,795 to the nearest ten
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Step-by-step explanation:

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Lilith and her friend shared a pizza. Lilith ate two sixths of the pizza and her friend ate three sixths. How much pizza did the
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Step-by-step explanation:

\frac{2}{6}  +  \frac{3}{6 }  =

2+ 3

_____________ =

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____5___

6

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If the diameter is 12 miles. What is the circles circumference?​
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C≈37.7mi

I hope it's helpful

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2 years ago
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