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ser-zykov [4K]
3 years ago
10

Plz help me and explain how you got the answer plz

Mathematics
1 answer:
AfilCa [17]3 years ago
3 0
The decrease was 3.  (from 30 down to 27)

Always calculate the decrease as a percent of the ORIGINAL number.

        3/30  =  0.1

To change a decimal to a percent, move the point 2 places that way ==> .

                 0.1  =  10% .

When you go from 30 to 27, that's a decrease of 10% .
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Pls help.question attached.
Svet_ta [14]

Answer:

-1. is -3/7

Step-by-step explanation:

6×-4/11*7 ÷ (4/3×6/11)

-24/11×7 ÷ (4/3×6/11)

-24/77 ÷ (4/3×6/11)

-24/77 ÷ (24/3×11)

-24/77 ÷ 24/33

-24/77 × 33/24

-1/77 × 33

-33/77

-3/7

8 0
3 years ago
Solve the following system of equations via elimination.<br> 12x – 9y = 30<br> 6x+15y=54
sesenic [268]

Answer:

x=4,y=2

Step-by-step explanation:

solve one of the equations for x/y and then plug it into the other

3 0
3 years ago
a family is staying in a hotel and the total bill for 4 nights is $400. there is a one-time $60 tax fee. what was the nightly ra
Natasha2012 [34]

Answer:

Yes. For example, a hotel advertises, “Buy 4 nights, get the 5th night free.” Taking advantage of the deal, a customer purchases 5 nights for $400. Each night of the customer’s 5-night stay is subject to the fee.

Step-by-step explanation:

8 0
2 years ago
A croissant shop has plain croissants, cherry croissants, chocolate croissants, almond croissants, apple croissants, and broccol
rjkz [21]

Answer:

27405

Step-by-step explanation:

There are 6 different variants available for each croissant. There are 26 croissants in all out of which 1 is plain. We use combination and permutation technique to identify different ways to choose croissant.

[5 + 26 - 1 ] 26 = 30C26 = 27405.

5 0
2 years ago
Eargbkzvukuahdfbvvukhzdfbkufhbaw4jhbale&amp;bLUsfhbvULHsfbf
pogonyaev

Answer:

a - 13/30

Step-by-step explanation:

2/5 +x = 5/6

2/5 + x -2/5 = 5/6 - 2/5

x = 13/30

6 0
3 years ago
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