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Artyom0805 [142]
3 years ago
7

6a-4b when a=5 and b=3

Mathematics
2 answers:
gavmur [86]3 years ago
8 0

Answer:

Use substitution to receive: 18

Step-by-step explanation:

6a - 4b when a = 5 and b =  3

6(5) - 4(3)

30 - 12 = 18

Vika [28.1K]3 years ago
3 0

Answer:

18

Step-by-step explanation:

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3b^2-4b+1=0 solve each equation with the quadratic formula
hjlf
First multiply 3 and the 1
Then simplify b^2-4b+3=0
Then divide both numbers by 3 (b-3/3)(b-1/3)=0
If it doesn’t go in even like the second term then bring it before the B
Then equal both terms to 0 and solve

7 0
4 years ago
There were 20 dogs and 30 cats at an animal shelter last month. Since then, the number of dogs in the shelter
Softa [21]

Answer:

There is a 4% decrease

Step-by-Step:

if the previous total was 50, then each animal represents 2%. 50*2=100. if you are increasing the dogs by 20% of 20, then you are increasing them by 4 equaling out to 24 dogs. If your decreasing the cats by 20% of 30, then you are decreasing them by 6 equaling out to 24 cats. The new total of animals is now 48. Seeing how each animal still represent 2%, the new percentage is 96%. Subtracting the previous percentage from the new percentage gives a 4% difference.

50 * 2 = 100%

20 * 1.2 = 24

20 * .8 = 24

24 + 24 = 48

48 * 2 = 96%

100% - 96% = 4%

4 0
3 years ago
Read 2 more answers
Can anyone answer this?
astra-53 [7]
#12 1000 because their is 2 ticks to $2000 meaning that each tick is $1000

#13 slope =1/2 (up 1 over 2) y intercept= 1 because it starts at y(0,1)

#14 y=1/2x+1
#15 this slope means that the savings account saves on average $2000 dollars every 2months.

I hope this helps if it did please help me out by marking this comment as the brainiest answer. Helps me out a lot goodluck
8 0
3 years ago
Common differences of the following Aps 12,14,16,18,20.....​
My name is Ann [436]

Answer:

2

Step-by-step explanation:

The common difference is the difference between two consecutive terms in an arithmetic progression

6 0
2 years ago
2) Adriana opens her own comic book shop, On Saturday she sells a hardcover book for $18 and a paperback
jok3333 [9.3K]

Answer: 13 comic books

Step-by-step explanation:

1st add 18 + 8 which equals 26

2nd subtract 130 - 26 which equals 104

3rd divide 104 / 8 because each comic book was $8

4th your answer is 13 comic books

5 0
3 years ago
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