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frutty [35]
3 years ago
6

Which fractions are equievalent? a.20/5 b.-20/5 c.20/-5 d. -20/-5 e.- 20/5

Mathematics
1 answer:
pogonyaev3 years ago
6 0

Answer:

D) -20/-5 because a negative divided by a negative is a positive.

Step-by-step explanation:


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One serving of trail mix has 67 grams of carbohydrates, which is 22% of the recommended daily amount. What is the total recommen
DaniilM [7]

For this case we propose a rule of three:

67 grams -----------> 22%

x grams --------------> 100%

Where:

The variable "x" represents the recommended amount of daily carbohydrates.

So, we have:

x = \frac {100 * 67} {22}\\x = 304.5455

Rounding we have the recommended amount, in grams, of carbohydrates: 305 grams

Answer:

305 grams

5 0
3 years ago
Read 2 more answers
A group of 485 people take a canoe trip. They fill up all avalible canoes that each hold 3 people with 273 people. The rest of t
Jobisdone [24]
Answer:
3c=273
c=91
2c= 212
C= 106
c= 91+ 106= 197
so they will need 197 canoes total

Why:
So first you have to determine a set variable to represent the number of canoes, I chose C. Then you make an equation to represent the number of canoes 273 people will use if they group into 3's, from this I got 3c=273. Solve for C and get 91.
The remainder of the group which is 485-273= 212 will use canoes in groups of 2's. To represent this, 2c=212. Solve for C and get 106. Combine 106 and 91 to get the total number of canoes.
4 0
2 years ago
Read 2 more answers
Ellen drove 357.9 miles. Her car gets about 21 miles per gallon. Which is the best estimate of how many gallons of gas Ellen use
olga55 [171]
The best thing to do is to divide the amount she has driven (357.9) by the miles (21)
As you're looking for an estimate, you have to round them.
357.9 rounds to 360
21 rounds to 20
Therefore, you've got to divide them
360/20= 18
Therefore, Ellen has driven approximately 18 miles
Hope this helps :)
7 0
3 years ago
Read 2 more answers
From the height of 30 meters above sea level of a cliff, a ship is sighted due west. The angle of depression is 20How far from t
Igoryamba

Answer:

9470m above the sea level.

Step-by-step explanation:

5 0
2 years ago
1. Which of the following is the equation of the axis of symmetry for the function? y = x2 -4x + 8
ivanzaharov [21]
1 a 2 a 3 d or c because 9times 2 =18 or 6times3=18
8 0
3 years ago
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