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2 years ago

5- How many 50ml glasses can you fill from a 2 litre bottle?

Mathematics

2 answers:

Fudgin [204]2 years ago

6 0

Answer:

2 litre = 200 ml

so 200/50 = 4 glasses

kicyunya [14]2 years ago

4 0

Answer:

It's 40 of 50ml glass

Step-by-step explanation:

It's basically 2 litre/50ml

But 1000ml = 1 litres ;

Meaning 2 litres = 1000 × 2 = 2000ml

Therefore 2 litre/50ml = 2000/50

= 40

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A and B can separately do a piece of work in 24 days and 16 days respectively. They worked together for 6 days, after which B wa

Dominik [7]

Answer: C can complete the work in 12 days.

Step-by-step explanation:

Alright, lets get started.

Given that, A and B can separately do a piece of work in 24 days and 16 days respectively.

It means, in 1 day, A can complete the part of work : $\frac{1}{24}$

It means, in 1 day, B can complete the part of work : $\frac{1}{16}$

As they both worked together for 6 days,

in 6 days, A can complete the part of work : $6*\frac{1}{24}=\frac{1}{4}$

in 6 days, B can complete the part of work : $6*\frac{1}{16}=\frac{3}{8}$

So, together they had completed the work : $\frac{1}{4}+\frac{3}{8}=\frac{5}{8}$

So remaining work will be : $1-\frac{5}{8}$

So remaining work will be : $\frac{3}{8}$

Now this remaining work is done by A and C together.

Suppose C alone can do this work in C days.

So in 3 days, A and C completed the rest work :

$3 \times(\frac{1}{24}+\frac{1}{C})=\frac{3}{8}$

$\frac{1}{24}+\frac{1}{C}=\frac{1}{8}$

$\frac{1}{C}=\frac{1}{8}-\frac{1}{24}$

$\frac{1}{C}=\frac{1}{12}$

$C=12$

Hence C can complete the work in 12 days. : Answer

Hope it will help :)

7 0

3 years ago

A rate is a ratio that compares

Ulleksa [173]

A rate is a ration that compares two quantities that have different units of measure. If the second term in rate is 1, the ratio is called a unit rate.

6 0

3 years ago

If it says to evaluate an expression, does it mean to answer it?

Fed [463]

Evaluating an expression means either to solve the expressions or to simply it.

Solving an expression:

2 - (10 + 5)

A simply expression. After doing the math the answer comes out as -3.

2x + 3x

This is an algebraic expression. This means we have variables like x and y.
In this case, we can only simplify it. Because we don't know what x is equal to.

Because they are like terms (which means they have the variable) we can add them to together.

2x + 3x = 5x

I hope this answer clears up any misunderstandings about expressions and over all helped you learn something! If you still need some help, don't hesitate to DM on Brainly! I wish you best of luck on your journey of math!

EDIT:

Now what if you have an expression like this:

5x + 5m where x=4 and m=8

In mathematics, something like 5x is the same difference as 5 * x.
And x is just a placeholder for a number or for another variable.

And in this equation, x is equal to 4. So, we just replace x with 4.

5(4) + 5m

Same this with m. The variable m is equal to 8.

5(4) + 5(8)

We can solve!

5(4) + 5(8) = 20 + 40 = 60

Our answer is 60.

8 0

3 years ago

Read 2 more answers

A football team gains 8 yards in one play (8), then loses 5 yards in the next (-5). What is the teams total yardage for the two

gulaghasi [49]

You just need to add them together 8+(-5)=3

4 0

3 years ago

472 to the nearsest 100

stepan [7]

472 to the nearest 100 is 500

6 0