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Helen [10]
3 years ago
14

Describe and correct the error a student made when naming the polynomial.

Mathematics
1 answer:
Degger [83]3 years ago
3 0

Answer:

C

Step-by-step explanation:

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A rational number is any number that can be expressed as the quotient or fraction
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bearhunter [10]
I think it is 1 1/3 ? If not I’m so sorry
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3 years ago
The ratio of red M&Ms to blue M&Ms to green M&Ms in a box is 5:3:4. If there are 72 M&Ms in the box, how many of
Sonja [21]

Answer:

18

Step-by-step explanation:

sum of ratio=5+3+4=12

blue=\frac{3}{12}  \times 72=18

7 0
3 years ago
Mole Conversion:<br> What is the mass of 3.13 x 1023 molecules of carbon dioxide?
4vir4ik [10]

Answer:

The mass of 3.13*10²³ molecules of carbon dioxide is 22.88 g.

Step-by-step explanation:

Avogadro's Number or Avogadro's Constant is the number of particles that make up a substance (usually atoms or molecules) and that can be found in the amount of one mole of said substance. Its value is 6.023*10²³ particles per mole and it applies to any substance.

Then you can apply the following rule of three: if 6.023*10²³ molecules are present in 1 mole, 3.13*10²³ molecules are present in how many moles?

moles=\frac{3.13*10^{23}molecules*1 mole }{6.023*10^{23}molecules}

moles= 0.52

Since the molar mass of carbon dioxide is 44 g / mole, then the following rule of three can be applied: if there are 44 g in 1 mole, how much mass is there in 0.52 moles?

mass=\frac{0.52 moles*44 g}{1 mole}

mass= 22.88 g

<u><em>The mass of 3.13*10²³ molecules of carbon dioxide is 22.88 g.</em></u>

8 0
3 years ago
Jimmy invests $3000 in an account with a 3.8% interest rate, making no other deposits or withdrawals. What will Jimmy’s account
Leto [7]
Use the formula A(t)=P(1+[r/n])^(n)(t) which for us looks like this:
A(t)= 3000(1+[.038/4])^(4)(9). Doing that math, you have 3000(1.405489). The product of that is $4216.47
4 0
4 years ago
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