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Alexxx [7]
3 years ago
11

When 12 is added to a number the result is 32 less than 3 times the number.

Mathematics
2 answers:
bearhunter [10]3 years ago
5 0
X=22 
Because 12 +22=34 then use the amth to do minus 32 less than 3 times tghe number
sdas [7]3 years ago
4 0


Let the number = x

12 + x = 3x - 32

x = 3x - 44 Subtract 12 from both sides

-2x = -44 Subtract 3x from both sides

x = 22 Divide by -2

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Murtha has decided to start a pebble collection. She collects one pebble the first day and two pebbles on the second day. On eac
Musya8 [376]

Answer:

78

Step-by-step explanation:

Given that:

First day (a) = 1

1 more pebble every subsequent day than the previous day

Tn = a + (n - 1)d

d = common difference ; difference between pebbles in two successive days = 1

n = nth day

At the end of the 12th day;

Tn = a + (n - 1)d

T(12) = 1 + (12 - 1) 1

T(12) = 1 + 11

T(12) = 12

Appling the sun if arithmetic progression formula : Sum of AP:

n/2 (a + Tn)

n = number of terms

12/2 (1 + 12)

6(13)

= 78

4 0
3 years ago
Mr. Fishie bought a tank for $15 and 10 fish which cost $f each. If he gave the cashier two 20-dollar bills, what was his change
Gnesinka [82]

Answer:

$25 - $10f

Step-by-step explanation:

Fishie's name is fishy.  

We know Mr. Fishie spent $15 on a tank.  His 10 fish cost 10*$f.  His total is:

Total =15 + 10*f

His change after 2 $20 would be:

$40 - ($15 - $10f), or

$25 - $10f

3 0
2 years ago
I need help with easy math please
Ivahew [28]

Answer:

1. 16

2. 12

3. 0

4. 17

5. 16

6. 4

7. 32

8. 36

9. 1/18

Step-by-step explanation:

7 0
3 years ago
This is for Algebra 2 I’m stuck I don’t know if I’m right please help
OLEGan [10]

Answer:

y=a|x-h|+k  (absolute value function)

a= 3/5  (a easier way to know is it is somehow basically the slope of the line but it must be positive.)

h= -3 (you are correct)

k= -1 (you are correct)

3 0
3 years ago
42 is 96% of what number?
Law Incorporation [45]
Let, the number = x
It would be: x * 96% = 42
x * 0.96 = 42
x = 42 / 0.96
x = 43.75

In short, Your Answer would be 43.75

Hope this helps!
7 0
3 years ago
Read 2 more answers
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