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CaHeK987 [17]
3 years ago
12

Substitute teachers with Silvergrove School District get paid by the day, although subs with teaching credentials earn a differe

nt amount than subs without credentials. Yesterday, 6 non-credentialed subs and 4 credentialed subs taught in the district. That cost the district $678. Today, 11 non-credentialed subs and 3 credentialed subs taught, receiving $866 from the
district. How much do subs get paid?

subs with credentials get paid $ per day,
Subs without credentials get paid $
per day.​
Mathematics
1 answer:
Firdavs [7]3 years ago
3 0

Answer:

subs with credentials get paid $87 per day. subs without credentials get paid $55 per day.

Step-by-step explanation:

let x be the cost subs with credential get paid per day and y be the cost subs without credential get paid per day

so we get

4x + 6y = 678 \\ 3x + 11y = 866

using simultaneous equation by substitution method you get x=87 and y=55

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3 years ago
I don’t understand this
egoroff_w [7]

Answer: OPTION A

Step-by-step explanation:

The distance between any number is always positive so we should apply the absolute value.

The distance between numbers=number 1-number2 (or vise versa, and that is why we need absolute value)

In your question, the two numbers are 3/4 and 2. Applying to the expression above, the distance between two numbers should be |3/4-2| or |2-3/4|.

The only option in your case is |3/4-2| and this is it.

Hope this helps!! :)

Please let me know if you have any question

5 0
3 years ago
(PLEASE HELP!!! THIS IS TIMED!! I WILL MARK THE BRAINIEST IF YOUR ANSWER IS CORRECT!!!)
konstantin123 [22]

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y=3x-1

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
») Evaluate the expression for c = 4 and d = 11.<br> C + d =
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