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fomenos
2 years ago
13

Consider the expression 21 - + ).

Mathematics
1 answer:
kogti [31]2 years ago
6 0
Subtraction is. Pemdas. Whichever comes first left to right is what you should do. In this case subtraction comes before addition, therefore subtraction is the right route
You might be interested in
An equivalent expression for 4(x+2)+5(y+3)
Anit [1.1K]

Answer:

4x+5y+23

Step-by-step explanation:

4(x+2)+5(y+3)

4x+8+5y+15

4x+5y+8+15

4x+5y+23

7 0
3 years ago
PLEASE HELP ME FFS
AnnZ [28]

Answer:

55.74

Step-by-step explanation:

<em>Since the culture was tested and then the countdown started, you need to multiply the initial value by 3.5. Since it is tested once every 15 minutes, it will be tested two more times by the time 30 minutes is up; a total of 3 times tested.</em>

1.3 x 3.5 = 4.55

4.5 x 3.5 = 15.925

15.925 x 3.5 = 55.7375

7 0
3 years ago
Plz help convert and show work plz!
valina [46]

Answer:

1) 5280 feet/sec

2)$3.41

Step-by-step explanation:

60 miles is 316800 feet, divided by 60 which is 5280 feet/sec

2)2.4x1.42 is 3.41

8 0
3 years ago
What is the next number in this sequence and why?
vekshin1

2,6,15,31,......

6-2=4=2X2

15-6=9=3X3

31-15=16=4X4

So the next number should be 31+5X5=56

hope this helps :)

3 0
3 years ago
The number of goats in a farm increases by 5 goats each year. If the farm has a population of 20 goats after the first year, and
MrRa [10]

Answer:

f ( 1 )= 20; f ( n )= f (n - 1) + 5, for n > 2

(the > has a line under it)

Step-by-step explanation:

8 0
3 years ago
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