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Yuri [45]
3 years ago
14

HELPPPP PLEASEE. IT IS DUE IN 20 MIN. THANK YOU SO MUCH! :)

Mathematics
1 answer:
12345 [234]3 years ago
3 0

Answer:

A.) 65x + 35X + 50 = 250

65x = cost of concrete per cubic yard, x is yd³

35X = cost of pouring/finishing concrete per cubic yard, X is yd³

50 = delivery cost

250 = the money you have

B.) 400 + 15n = 505

15n = amount of money you deposite per week, n is # of week

400 = some money in account after n week passed

505 = initial money in bank

C.) 1.1X - 10 = 55

55 = total cost of clothes

1.1X = tax rate where X is the undiscounted clothe cost

10 = discount

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Please help. Flow chart proof. I'll give brainliest
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Step-by-step explanation:

Statement | Reason

CB=AB         Given

DBC=DBA   Given

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/_\ DBC

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Darya [45]

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24

Step-by-step explanation:

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3 years ago
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A total of 243 tickets were sold for the school play. They were either adult tickets or student tickets. The number of student t
alina1380 [7]

Answer:

81 adult tickets

Step-by-step explanation:

Step 1:

Set up a system of equations

Since the adult tickets and student tickets add to 243, we can do

a+s=243

and the student tickets sold were 2x the adult tickets, we can do

s=2a

We can replace s in the first equation adding to 243 with 2a

a+s(2a)=243\\3a=243\\

Step 2:

Solve for a. We can divide both sides by 3.

a=81

Therefore, there were 81 adult tickets sold.

Step 3:

We can check our work! Since we learned earlier the student tickets are 2x adult tickets, we can multiply 81 by 2 and add that to 81 to see if it equals 243!

s=2a\\s=2(81)\\s=162

And...

162+81=243

So, 81 must be the answer!

8 0
2 years ago
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Pls help I struggling a lot pls pls pls I need pro math expert
Soloha48 [4]

Answer:

Option: h\leq 16

Step-by-step explanation:

<u>Looking for key words in the problem:</u>

"At Most" represents important key words, meaning the maximum amount of hotdogs that are at the barbecue.

<u>Inequality:</u>

h\leq 16

h \leq 16 represents the maximum amount of hotdogs that has to be at the barbecue, also represents less than 16 can be cooked.

3 0
2 years ago
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