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Wewaii [24]
3 years ago
14

NEED HELP ASAP!!! PLZ HELP!!!

Mathematics
1 answer:
anyanavicka [17]3 years ago
4 0

just guess

jk i think the last one

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The perimeter of a regular decagon is 355m.<br> State the length of one of its sides.
egoroff_w [7]

35.5m

Step-by-step explanation:

355m÷10=35.5m answer

5 0
3 years ago
Read 2 more answers
at the fish market, a whole fish costs $4.20. If the body costs $1 more than the tail, and the body costs $2 more than the head,
weqwewe [10]

Answer:

$ 0.4

Step-by-step explanation:

if we assume head costs $ x then,

body will cost $x + 2 (2 more than head)

and tail will cost $x+1

x+x+2+x+1 = $ 4.20

or, 3x = 4.20-3

or, x= 1.20/3

therefore, x=0.4

5 0
2 years ago
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Solve for x.<br><br> x/7= -3<br><br> x = -21<br> x = -10<br> x = 4<br> x = 21
Alecsey [184]
The answer is x=-21


explanation:

x/7=-3

x=-3×7

x=-21
4 0
3 years ago
6. A cylindrical oatmeal canister has a diameter of 4 inches and a hight of 10 inches. The manufac-
Arlecino [84]
B. 8 inches, hope this was right and helped:)
6 0
2 years ago
Jarvis invested some money at 6% interest. Jarvis also invested $58 more than 3 times that amount at 9%. How much is invested at
DerKrebs [107]

9514 1404 393

Answer:

  • $3309 at 6%
  • $9985 at 9%

Step-by-step explanation:

Let x and y represent amounts invested at 6% and 9%, respectively.

  y = 3x +58 . . . . . . . the amount invested at 9%

  0.06x +0.09y = 1097.19 . . . . . . total interest earned

__

Substituting for y, we have ...

  0.06x +0.09(3x +58) = 1097.19

  0.33x + 5.22 = 1097.19 . . . . . . . . . simplify

  0.33x = 1091.97 . . . . . . . . . . . . subtract 5.22

  x = 3309 . . . . . . . . . . . . . . . . divide by 0.33

  y = 3(3309) +58 = 9985

$3309 is invested at 6%; $9985 is invested at 9%.

8 0
3 years ago
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