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jekas [21]
3 years ago
12

Jessy pastes stamps for 160 envelopes in 2 hours. If she pastes the stamps at the same rate, for how many envelopes can she past

e stamps in 30 minutes ?
Mathematics
1 answer:
Drupady [299]3 years ago
3 0

2 hours=160

1 hours=160÷2=80

30 minutes=80÷2=40

Answer:She can paste 40 stamps in 30 minutes

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A jar contains six red marbles 10 Green marbles and eight blue marbles. A marble was elected at random, The color was recorded,
maksim [4K]
Relative frequency = (number of times an item appears) /(TOTAL numbers)

Relative frequency (selecting Red ) = 13/30 =0.434
6 0
4 years ago
Samantha just opened a new restaurant. She earned $550 on the first day and $750 on the third day that she was open for business
mr Goodwill [35]

Answer:

Step-by-step explanation:

If Samantha's earnings continue to increase at the same rate, this means that her earning is increasing arithmetically.

If she earned $550 in the first day, we can say the first term is $550

If she earned $750 on the third day, we can say the third term is $750

For us to know by how much her money is increasing, we need to find the common difference d formed by the sequence

550, x , 750

T1 = 550

T2 = x

T3 = 750

Common difference d = T2-T1 = T3-T2

x - 550 = 750 - x = d

Let's calculate the second term first i.e x

Since x - 550 = 750 - x = d

x - 550 = 750 - x

Collect like terms

x+x = 750+550

2x = 1300

x = 1300/2

x = 650

d = T2-T1

d = x - T1

d = 650-550

d = 100

Hence her money keeps increasing by $100 each day

8 0
3 years ago
The length of a rectangle is twice its width<br> The perimeter of the rectangle is 43cm
boyakko [2]

Answer:

7.17 cm

Step-by-step explanation:

If the width is x, the length is twice this  = 2x

And

Perimeter = 2 (W + L)

so

Perimeter =  2 ( x + 2x)

Perimeter  = 2 (3x)

Perimeter  = 6x

43  =  2 ( x + 2x )

43= 2 ( 3x)  

43  =  6x

= 7.17 cm

Hope this helps i'm pretty sure this is how you do it :-)

6 0
4 years ago
What the valie of 8+(27÷9)2?
kirill115 [55]

Answer:

14

Explanation:

Parenthesis, Exponents, Multiply, Divide, Add, Subtract

27 ÷ 9 = 3

3 · 2 = 6

8 + 6 = 14

6 0
3 years ago
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Find the distance between the points (-6,1) and ( 2,1) <br> ( step by step )
CaHeK987 [17]
The distance is 5.099
5 0
3 years ago
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