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SashulF [63]
4 years ago
11

Number 13? thanks!!!!

Mathematics
2 answers:
alexgriva [62]4 years ago
3 0
Total of the 6 lawna = 10 + 15 + 12 + 15 + 8 + 15 = $75

Given that the mean is $12 for 7 lawns,
Total of the 7 lawns = 12 x 7 = $84

Therefore the 7th lawn is:

$84 - $75 = $9

---------------------------------------------------------------
Answer: He earns $9 on the 7th lawn. (Answer A)
--------------------------------------------------------------- 
liraira [26]4 years ago
3 0
All you need to do is to find the number than when divided by 7 gives you 12...
7x12 = 84.
Add the current numbers. 10 + 15 + 12 + 15 + 8 + 15 = 75. 
84 - 75 = 9...
9$ the seventh time...

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María compró 78 metros de cuerda, ella dividió en 6 partes iguales la cuerda el día martes 8 de mayo ¿Cuántos metros mide cada t
barxatty [35]

Answer:

The length of each piece is 13 m.

Step-by-step explanation:

Maria bought 78 meters of rope, she divided the rope into 6 equal parts on Tuesday, May 8, How many meters is each piece?  

a) Each piece measures 312m

c) Each piece measures 13m

d) each piece mites 92m

b) Each piece measures 9m and 75cm

Total length, L =  78 m

Number of pieces, n = 6

length of each piece,

d = L/n = 78/6 = 13 m

So, the correct option is (c).  

6 0
3 years ago
Original price: $125<br> Discount: ?<br> Sale price: $81.25 <br> Find the discount
Paha777 [63]
Original price=125
discount=x dollars or percent I will find both
sale price=81.25

so origonal-discount=sale
125-x=81.25
subtract 125 from both sides
-x=-43.75
multiply -1
x=43.75
the discount was 43.75

to convert into fraction divide 43.75 by 125 then multiply by 100
43.75/125=0.35
0.35 times 100=35%

35% discount
6 0
3 years ago
Rochelle found the quotient of an integer, x, and 13. Is her quotient a rational number? A) no B) yes C) only if x is odd D) onl
kari74 [83]
The answer is B. Yes 
8 0
3 years ago
Read 2 more answers
Math test! i need help
Y_Kistochka [10]

Answer:

C.  x  ≥  4

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

7 0
3 years ago
Read 2 more answers
Can someone help me with this ??
GrogVix [38]

almost right

400        1000

____  = _____  now you cross multiply to solve (cross products

14             x

400 times x = 14 times 1000

400x = 14000  now divide both sides by 400

400       400

x = 35  

35 dolls of 1000 would be defective

6 0
3 years ago
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