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Ilya [14]
3 years ago
5

Pelomyxa palustris is an amoeba with a length of 4.9 mm.Amoeba proteus has a length of 0.7 mm.How many amoeba proteus would you

have to line up to equal the length of three pelomyxa palustris?
Mathematics
1 answer:
prohojiy [21]3 years ago
3 0

Answer:

  21

Step-by-step explanation:

Let n represent the number we're looking for. Then ...

  n × (proteus length) = 3 × (palustris length)

  n × 0.7 mm = 3 × 4.9 mm

  n = (3 × 4.9 mm)/(0.7 mm) = 3 × 49/7 = 3 × 7

  n = 21

You would have to line up 21 amoeba proteus to equal the length of three pelomyxa palustris.

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6. What percentage of the children in class 5 is a member of a sports club? 3
Juliette [100K]

Answer:

75%

Step-by-step explanation:

Let x be the percentage for sports club members.

x% of 20 = 15

x/100 x 20 = 15

x/5 = 15

x = 75

5 0
3 years ago
Evaluate 9/m +4when m=3​
valina [46]

Answer:

7

Step-by-step explanation:

Put the m value where m is

9/3+4

9/3 simplified is 3

3+4=7

4 0
3 years ago
Read 2 more answers
Solve c: P = a+b+c+d / 4
m_a_m_a [10]

Answer:

  • as written: c = P - a - b - d/4
  • with parentheses: c = 4P - a - b - d

Step-by-step explanation:

The meaning of the given expression is ...

  P = a + b + c + (d/4)

To solve for c, subtract all the terms on the right side not containing c.

  P -(a + b + (d/4)) = c

  c = P - a - b - (d/4)

_____

In such equations, parentheses are commonly missing. If that is the case here, then first we undo the division by 4, then we subtract the "not c" terms.

  P = (a + b + c + d)/4 . . . . maybe what you meant

  4P = a + b + c + d . . . . . . multiply by 4

  4P - (a +b +d) = c

  c = 4P -a -b -d

8 0
3 years ago
. HELP DUE IN A FEW MIN ASAP im stupidssssss
adelina 88 [10]

Answer:

B

Step-by-step explanation:

80*17=1360/choice B

5 0
3 years ago
Eugene and three of his friends went out to eat. They decided to split the bill evenly. Each person paid $11. What was the total
Elena-2011 [213]

Answer:

Step-by-step explanation:

Je calcule la facture totale

11x4=44

La facture totale d'Eugène et ses trois amis était de 11$

8 0
1 year ago
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