Please help me i really need it

Mathematics

2 answers:

Lera25 [3.4K]3 years ago

7 0

Answer:

1. (2.923) 2. i don't know what they are asking for but i believe it is the mean so add all of the data up and divide by how many data pieces there are ( there are seven

mixas84 [53]3 years ago

3 0

Answer:

$0.79 x 3.7 would give you 2.923 but since its money it would be $2.92 and 2) im not sure how there the same question if one is dealing with weather and the other with money, Im sorry

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Help solving this problem

amid [387]

2t + 5b = 20
8t + 3b = 29
Multiply the first equation by-4
-8t -20b = -80
8t + 3b = 29
-17b = -51
b = 3
Plug 3 in for b into either equation and solve for t.
2t + 5(3) = 20
2t + 15 = 20
2t = 5
Divide both sides by 2
t = 2.50

5 0

4 years ago

Please write your answer with explanation

Oxana [17]

Answer:

Step-by-step explanation:

If cost price (CP) is greater than selling price (SP) , then the item is sold for loss.

Loss = CP - SP

Loss% = $\frac{loss}{CP}*100$