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Yanka [14]
3 years ago
9

A scientist had 3/5 liter of solution. He used 1/6 of the solution for an experiment. How much solution did the scientist use fo

r the experiment?
Mathematics
1 answer:
loris [4]3 years ago
4 0
13/30, because you find the common denominator, 30.

From there, what you do is think, what times 5 is 30? (Talking about 3/5) 6! So you multiply 3 and 6, and get 18/30.  

Next, do the same with 1/6, and you get 5/30.  
Finally, subtract 5/30 from 18/30, and you get 13/30.

Hope this helps!
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I need some help on this question please
artcher [175]

Answer:

  36, 32, 28, 24

Step-by-step explanation:

Fill in the values of n and do the arithmetic.

  a1 = 36 -4(1 -1) = 36

  a2 = 36 -4(2 -1) = 32

  a3 = 36 -4(3 -1) = 28

  a4 = 36 -4(4 -1) = 24

_____

You could recognize the formula as the specific case of the explicit formula for an arithmetic sequence with first term 36 and common difference -4. That tells you the second term is 36 -4 = 32, and each successive term is 4 less than the one before.

7 0
3 years ago
Use the Distributive Property to expand the expression -(u-v)
deff fn [24]

Answer:

(U+V) is the answer to the solution

7 0
3 years ago
21 times 9 equals 9 times 21 what is the property
Reil [10]
Commutative property....
5 0
3 years ago
Find two consecutive whole numbers such that 4/7 of the larger exceeds 1/2 of the smaller by 5
Darina [25.2K]

Answer:

The consecutive numbers are 62 and 63

Step-by-step explanation:

Let the larger number be represented by x and the smaller number by y,

Provided they are consecutive numbers;

x = y + 1 --- Equation 1

From the question; we have that

\frac{4x}{7} = \frac{y}{2} + 5 --- Equation 2

Required

Find x and y

Multiply both sides of equation 2 by 14

14 * \frac{4x}{7} = 14 * \frac{y}{2} + 14 * 5

2 * 4x = 7 * y + 70

8x = 7y + 70 ---- Equation 3

Substitute y + 1 for x in equation 2

8(y + 1) = 7y + 70

Open bracket

8y + 8 = 7y + 70

Collect like terms

8y - 7y = 70 - 8

y = 62

x = y + 1

So,

x = 62 + 1

x = 63

Hence, the consecutive numbers are 62 and 63

8 0
3 years ago
What is the justification for step 2 in the solution process?
Maksim231197 [3]

Answer:

Subtract property of deviation becasue your subtracting 6y frrom both sides of the equation.

Step-by-step explanation:

1)Given: 12y - 40 - 4y = 6y - 18

2)Simplify by adding 12y + (-4y): 8y - 40 = 6y - 18

3)Subtract property of deviation: 8y -6y - 40 = 6y -6y - 18

2y - 40 = -18

<em>Hope this helped!</em>

8 0
3 years ago
Read 2 more answers
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