3 years ago

6 / 7" pipes to be shortened to a 2 / 5" how much must be removed

Mathematics

1 answer:

pychu [463]3 years ago

6 0

Answer:

16 / 35"

Step-by-step explanation:

6/7 = 30/35

2/5 = 14/35

30 - 14 = 16

You might be interested in

What does 6 1/2 mean in the situation

Alenkinab [10]

Answer:

2 ÷ 61

Step-by-step explanation:

The / means division so it's practically means you must divid

4 0

3 years ago

what number should be added to the expression x^2 + 10x to change it into a perfect square trinomial?

Annette [7]

Answer:

$\large\boxed{5^2=25}$

Step-by-step explanation:

$\text{Perfect square:}\ (a+b)^2=a^2+2ab+b^2\\\\x^2+10x\\\Downarrow\\x^2+2(x)(5)\\\Downarrow\\x^2+2(x)(5)+5^2=(x+5)^2$

3 0

3 years ago

Read 2 more answers

How much of the 8% solution should we use to make 100g of a 3% solution?

kipiarov [429]

Answer:

37.5 g

Step-by-step explanation:

The final solution will contain 3% × 100 g = 3 g of solute. This amount of solute will be found in w grams of 8% solution, where ...

... 3 = 0.08 × w

... 3/0.08 = w = 37.5 . . . . . grams of 8% solution

3 0

3 years ago

Xelga [282]

Answer:

$6*\frac{32}{8}+7$

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

What is the value of 3 + y ÷ 4, when y = 16?

tankabanditka [31]

Well lets do this

3 + 16 ÷ 4

we divide first

3 + 4

Addition

=7

6 0

3 years ago