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Savatey [412]
3 years ago
14

A teacher divided the class into two groups of equal size. ⅗ of the first group are right-handed. 80% of the second group are ri

ght-handed. What fraction of the class is right-handed?
8/9
⅘
7/10
5/7
Mathematics
1 answer:
jarptica [38.1K]3 years ago
7 0

Answer:

7/10

Step-by-step explanation:

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You purchase 5 pounds of apples and 2 pounds of oranges for $9.Your friend purchases 5 pounds of apples and 6 pounds of oranges
babymother [125]

Answer:

x = 1 and y = 2

Step-by-step explanation:

Let apples are represented by x

and let oranges are represented by y

You purchase 5 pounds of apples and 2 pounds of oranges for $9. This line in equation format can be written as:

5x + 2y = 9

Your friend purchases 5 pounds of apples and 6 pounds of oranges for $17.

This line in equation format can be written as:

5x + 6y = 17

Now we have two equations:

5x + 2y = 9 -> eq (i)

5x + 6y = 17 -> eq(ii)

We can solve these equations to find the value of x and y.

Subtracting eq(i) from eq(ii)

5x + 6y = 17

5x + 2y = 9

-     -         -

_________

0+4y= 8

=> 4y = 8

y= 8/4

y = 2

Now, putting value of y in eq (i)

5x + 2y = 9

5x +2(2) = 9

5x +4 = 9

5x = 9-4

5x = 5

x = 1

so, x = 1 and y = 2

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3 years ago
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Solve the following system of equation 5x-y=-4<br> -3x+2y=-6
Delicious77 [7]
X = -2 and y = -6. your welcome :)
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Need help on this, if it’s right I’ll make it brainliest
Andrews [41]

Answer:

(0,2)/(4,5)

Step-by-step explanation:

Im Pretty Sure That's Correct.

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