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julsineya [31]
2 years ago
10

Marla helped her mother and father fold invitations and put them into envelopes. If Marla can fill 36 envelopes in 30 minutes, h

ow long will it take her to fill 48 envelopes? (Only enter a numerical answer)
Mathematics
2 answers:
Rzqust [24]2 years ago
6 0

56 minutes hope this helped :)

statuscvo [17]2 years ago
3 0

Answer:

40 minutes

Step-by-step explanation:

12 envelopes every 10 minutes.

48 envelopes = 40 minutes

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12) The school that Danielle goes to is selling tickets to a choral performance. On the first day of
kicyunya [14]

Answer:

Senior citizen tickets = $9

Student tickets = $11

Step-by-step explanation:

We begin by converting these into simultaneous linear equation;

Senior citizen tickets = a

Student tickets = b

5a + 9b = 144

14a + 6b = 192

5a = 144 - 9b

a = 144/5 - 9b/5

a = 28.8 - 1.8b

We now substitute this into the first equation

14(28.8 - 1.8b) + 6b = 192

403.2 - 25.2b +6b = 192

-19.2b = 192 - 403.2

b = -211.2/-19.2

b = 11

Put the value of b into either equation

5a + 9b = 144

5a + 9(11) = 144

5a +99 = 144

5a = 144-99

5a = 45

a = 9

6 0
3 years ago
Find the magnitude of 6+2i
Svetradugi [14.3K]
For complex number, the magnitude is pretty straight forward:

sqrt(6^2 + 2^2) = sqrt(40)

For any a + bi, the magnitude will be sqrt(a^2 + b^2)
4 0
3 years ago
This is the question.
madreJ [45]

Answer:

8 rows and 3 extra

Step-by-step explanation:

40/5=8

43-40=3

4 0
3 years ago
Read 2 more answers
What is 18.9% of 62650
zepelin [54]

Answer:

11840.85

Step-by-step explanation:

18.9% of 62650 = 11840.85

7 0
3 years ago
Help ————————————————————-
OlgaM077 [116]

Answer: I think it is A


Step-by-step explanation:


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