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just olya [345]
3 years ago
10

Solve for y 3y/7 − 6 = 30

Mathematics
1 answer:
Reil [10]3 years ago
5 0

Answer:

The answer would be 84

Step-by-step explanation:

3x84=252

252/7=36

36-6=30

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PLEASE HELP ME I NEED HELP RIGHT AWAY!!!
Jobisdone [24]

Answer:

There are 40 books total

Step-by-step explanation:

you need to set a proportion

The first fraction is 55/100 it's over 100 because it's percent

the other fraction is 22/x the 22 is out of a total number so that's why it's on top and x because you don't know the total number of books

then you multiply diagonally

55×x= 22×100

55x=2,200

Then you solve it like a regular equation by dividing both sides by 55

x=40

4 0
3 years ago
Read 2 more answers
After the bank cashed a check Maureen wrote for $60, her balance was -$14. The equation
Andrew [12]

Answer:

The initial cash balance in bank is $46

Step-by-step explanation:

The equation given to determine b which is the initial money before she withdrew $60 is

b + (-60) = -14

Let's solve for the value of b which is the initial balance of the money in the bank.

b + (-60) = -14

b -60 = -14

b = -14+60

b = 60-14

b = 46

The initial money before she withdrew $60 was $46

8 0
3 years ago
How do I solve this inequality
Makovka662 [10]
3x+5x/4≤34
leat common multiple=4
12x+5x≤136
17x≤136
x≤136/17
x≤8

Answer: x≤8        or            (-∞,8]
7 0
3 years ago
Eddie deposited $1200 into an account that earns 3% interest compounded 2 times per year. How much money will Eddie have in his
earnstyle [38]
A=p(1+i/m)^mn
A=1,200×(1+0.03÷2)^(2×7)
A=1,478.11
5 0
3 years ago
Sum of exterior angles in a equilateral triangle
poizon [28]

Answer:

In the case of the equilateral triangle, , the exterior angle, plus 60 equals 180. Subtracting 60 from both sides of this equation gives us a value of equal to 120. This means that the exterior angle of an equilateral triangle is equal to 120 degrees. The sum of all the exterior angles is always 360 degrees.

Step-by-step explanation:

8 0
3 years ago
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