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Elden [556K]
3 years ago
5

Question 3 answer please

Mathematics
1 answer:
xenn [34]3 years ago
3 0

Answer:

34.48

Step-by-step explanation:

Use PEMDAS

12.98-(7.6÷19)+22

12.98-0.4+22

12.48+22

34.48

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the ratio of boys to girls in Ms.Smith`s class is 3 to 4.If there are 12 boys,how many girls are there?
Anvisha [2.4K]
The question says boys/girls = 3/4 so if there are 12 boys in the class you can say:
3/4 = 12/? 
and ? is the number of girls which is equal to:
? = 12*3/4 = 9 
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i hope this is helpful 
have a nice day
7 0
3 years ago
Please help me due today?
prohojiy [21]
7x - 1 = 4x + 8
3x = 9
x = 9

ABD
7(3) - 1
21 - 1
20

DBC
4x + 8
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82

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3 0
3 years ago
Abbey wants to use her savings of $1,325 to learn yoga. The total charges to learn yoga include a fixed registration fee of $35
Brums [2.3K]
So for this, this can be written into the equation y=50x+35 (x = number of months, y = total cost).

To solve this problem, we need to plug in 1325 into the y-variable and solve from there.

1325=50x+35

Subtract 35 on each side to get 1290=50x

Then just divide by 50 on each side, and your answer should be 25.8=x


And because we cannot go past budget, we will have to round down to 25. In context, the maximum amount of months Abbey can do is 25 months.
8 0
3 years ago
Read 2 more answers
Which is a unit rate?
Angelina_Jolie [31]

The answer is

6 hours : 1 book

6 0
3 years ago
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please help Lauren wants to buy 3 shirts at 15.00 each. At home, she calculates the total cost as 46.20 using the sales tax of 8
anzhelika [568]

Answer

Lauren is wrong. Maybe she added incorrectly??

Step-by-step explanation:

3 * 15 = 45

45 * 8% = 3.60

45.00 + 3.60 = 48.60

8 0
4 years ago
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