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andreev551 [17]
3 years ago
12

What is the value of 4 2/3 divided by 2/5

Mathematics
1 answer:
Nitella [24]3 years ago
6 0
4 2/3 /2 /5
14/3 / 2/5 cross multiply 
7/3 / 1/5 multiply 7 and 5 and 3 and 1
35/3 simplify
11 2/3
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THIS IS 100 POINTS SOMEBODY PLEASEEEEEEEEEEEEEE HELP MEEEEE
Nookie1986 [14]

Answer: Option #4: the 0.2 could be changed to 2.

Explanation:

The table is designed to make the concept of percentages more understandable. The table first allocates the total amount of 70 in terms of its "fifths," or 20% parts. Then it expresses these parts in the last row of the table, showing that 20% of 70 is 14 and all the five parts sum up to 70 again.

Now, Mikel is supposed to express 40% of the amount. So she writes (incorrectly): 0.2 * 14. This statement needs to be changed to 2 * 14 (two times 14 = 28), to correspond to 2 times 20%, or 40%  of 70.

This is reflected in the last (fourth) option "The 0.2 in the expression could be changed to 2."

Option #3 is incorrect because changing 14 to 70, will result in an incorrect number (2.8).

Options 1 and 2 are similarly incorrect (as can be easily verified)

3 0
3 years ago
Read 2 more answers
HELP!!!!
Nonamiya [84]
Your answer is E. $25.

First let under 12 = u, over 12 = o, and adults = a.
We can now write the equations:

2u + 3a + 3o = 174
4u + 2a = 122
a + o = 46

Because we know that a + o = 46, and 3a + 3o is in the first equation, we can multiply 46 by 3 to get what 3a + 3o equals. This makes 138.
Now we can substitute 138 into the first equation to get 2u + 138 = 174
2u = 36
u = 18

Now that we know what u equals, we can substitute it in to the second equation to get:
4(18) + 2a = 122
72 + 2a = 122
2a = 50
a = $25

I hope this helps! Let me know if you have any questions :)
8 0
3 years ago
Pls help this is past due and I have no idea on how to do it
hram777 [196]

Answer:

42.3

Step-by-step explanation:

  • Substitute in values
  • 3.6\times (3)+4.5\times (7) = 10.8+31.5=42.3
6 0
2 years ago
Solve 7^x-2 =30.
Anna007 [38]

Answer:

x = 3.748

Step-by-step explanation:

this problem requires logs

log_{7} 30 = x-2

x = 2 + log_7 (30) or 3.7479

3 0
2 years ago
What transformation occurs to f(x) in the function f(x)-7
pshichka [43]

Answer:

Left

Step-by-step explanation:

5 0
3 years ago
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