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Firdavs [7]
3 years ago
13

? Divided by ? = 1/9

Mathematics
1 answer:
Elza [17]3 years ago
3 0

Answer:

0.11

Step-by-step explanation:

You might be interested in
What is the solution to the inequality?<br> −6x+5&gt;−1
Bogdan [553]

Answer:

\boxed{x

Step-by-step explanation:

-6x+5>-1\qquad\text{subtract 5 from both sides}\\\\-6x>-6\qquad\text{change the signs}\\\\6x

3 0
3 years ago
You earned 90% on a science quiz. You answered 27 questions correctly. How many questions were on the test?
Scilla [17]

Answer:

There were 30 questions on the test.

Step-by-step explanation:

1. Set up your equation: 27/90 = y/100

2. Next you want to cross multiply: 2700 = 90y or 270 = 9y

3. Divide 270 by 9 to find your y: y = 30

There were 30 questions on the test.

7 0
3 years ago
In a race, 28 cyclists got a flat tire on their bikes. If it takes 2.5 minutes to repair each bicycle, how long did it take to r
alexgriva [62]
One hour and ten minutes
4 0
3 years ago
1 2/5m-3/5(2/3m+1) How do you solve this problem
igor_vitrenko [27]

Step-by-step explanation:

I am not sure what you mean by "solve".

I assume you mean simplify the expression.

and then it is very tricky to find the true original expression the way you typed it.

I think you meant

1 2/(5m) - 3/(5(2/(3m + 1)))

1 = 5m/5m

1 2/(5m) = (5m+2)/5m

3/(5(2/(3m + 1))) = 3/(10/(3m + 1)) = 3/1 / (10/(3m + 1))

when dividing by a fraction, it is the same as multiplying with the upside-down fraction

so, this is the same as

3/1 × (3m + 1)/10 = (3(3m + 1)) / (10×1) = (9m + 3)/10

this would give us in total

(5m + 2)/5m - (9m + 3)/10

to do the subtraction we need to bring both fractions to the save denominator (lower part).

it seems to me the easiest one would be 10m.

so,

2×(5m + 2)/10m - m×(9m + 3)/10m =

= (10m + 4)/10m - (9m² + 3m)/10m =

= (10m + 4 - 9m² - 3m)/10m = (-9m² + 7m + 4)/10m

if we want to transform this back to a sum of fractions :

4/10m - (9m² - 7m)/10m = 2/5m - (9m - 7)/10

5 0
2 years ago
Please tell me the number four and five instructions are solve the system of simultaneously equation by using the substitution m
Alex777 [14]
4. 3x+(-x)=4
3x-x=4
2x=4
x=4/2
answers:
x=2
y=-2


5.
y=x-1
4x-y=19
-x+y=-1
4x-y(cross the y’s out they cancel eachother)=19
3x=18
x=6
-6+y=-1
y=-1+6
y=5
answers:
x=6
y=5
4 0
1 year ago
Read 2 more answers
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