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tresset_1 [31]
3 years ago
9

There are 75 envelopes in a package. How many envelopes are there in 7 packages?

Mathematics
2 answers:
serg [7]3 years ago
5 0
Answer= D

    1package        7 packages
____________=____________
 75 envelopes      x envelopes

1x=525
divide both sides by 1
x=525 envelopes
antiseptic1488 [7]3 years ago
3 0
75x7= 525 So, there are 525 envelopes.
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6 0
3 years ago
*20 pts*
Leno4ka [110]

a.      This is the geometric sequence: a1 = 1.5 m = 150 cm, r = 0.74

The formula now is an = a1 x r ^ n-1

 

Just substitute a1 = 150 cm and r = 0.74

an = 150 x (0.74) ^ n – 1

 

b.      The second part is:

A6 = 150 x 0.74 ^ 6-1

= 150 x 0.74 ^5

= 150 x 0.221906624

= 33.28509936 cm

4 0
3 years ago
Read 2 more answers
2.5(12.75x + 24.50) = 188.75
mrs_skeptik [129]

Answer:

Step-by-step explanation:

First, in order to get rid of the parenthesis, you need to multiply 2.5 with whatever is in the parenthesis.

Multiply 2.5 on each side of the equation like this:

(12.75 x 2.5) (24.50 x 2.5) =188.75

Once you're finished, you should get 61.25 and 31.875x =188.75

Now in order to find 'x' you will need to subtract 61.25 to each side of the equation like this:

61.25 - 61.25 = 0

188.75 - 61.25 = 127.5

So now your equation should look like this:

31.875x = 127.5

You have to divide 31.875 by each side now.

Once you divide them, your final answer should be 4.

so x = 4.

I really hope this helps! ^^

5 0
2 years ago
Read 2 more answers
If j = 10 cm and k = 12.5 cm what is the length of l
leonid [27]

Answer:

22.5

Step-by-step explanation:

3 0
3 years ago
What is the area of the figure below?
Lerok [7]

Answer:

The answer is 58 In2

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