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vlada-n [284]
1 year ago
5

Elliott is counting the change from a class fundraiser. He has half as many quarters as nickels, and he has 7 fewer dimes than n

ickels. The total value of coins is $5.90. He wrote the equation 0.10 (7 minus x) + 0.5 (x) + 0.25 (one-half x) = 5.90. Which statements identify Elliott’s errors? Check all that apply.
He should have written the expression for the number of dimes as x – 7.
He should have written the coin values as 5, 10, and 25 and not as 0.5, 0.10, and 0.25.
He should have written the coin value for the nickel as 0.05.
He should have translated the scenario as value of all dimes = value of all nickels and value of all quarters = value of all nickels.
He should have written the expression for number of nickels as 2x.
Mathematics
2 answers:
Akimi4 [234]1 year ago
5 0

Answer: He should have  translated the scenario as value of all dimes = value of all

Step-by-step explanation:

Guest
1 year ago
its only 1 answer tho, the question asks for 2 errors
azamat1 year ago
3 0
He should’ve translated the scenario as value of all dimes= value of all
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Answer:

alternate interior angles theorem

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∠ 4 ≅ ∠6, ∠1 ≅ ∠7

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1 year ago
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a jewelry is designing a crown. the crown must have at least 45 gems using only emeralds, rubies, and diamonds. the number of ru
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5 0
2 years ago
Theresa has hired Chuck and Diana to paint a fence. Diana can paint 150 fence posts in the same time it takes Chuck to paint 130
Alenkasestr [34]

Answer: Chuck can paint 65 posts per hour.

Step-by-step explanation:

The data we have here is:

Diana can paint 150 fence posts in a time T

Chuck can pint 130 fence posts in a time T.

In one hour, Diana can paint 10 more fence posts than Chuck.

If D is the hourly rate of Daian, and C is the hourly rate for Chuck, we have:

D = 150/T

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we can replace the last equation in the first one and geT:

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Now we can replace the bottom equation in the above one:

130/T + 10 = 150/T

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T = 20/10 = 2

So T is 2 hours, then whe have:

D = 150post/2hours = 75 posts per hour.

C = 130 posts/2hours = 65 posts per hour.

4 0
1 year ago
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