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Komok [63]
3 years ago
15

Each container below describes a ratio of marbles.

Mathematics
1 answer:
finlep [7]3 years ago
6 0

Answer:

It would help, if you included an image of the problem, or at least the ratios, please.

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Seven and thirty twp hundreths plus two and one tenth times two and seven tenths minus 18a
alexdok [17]
Answer:  Write the expression as:

" 70 \frac{32}{100} +
                         2\frac{1}{10} * 2\frac{7}{10 − 18a " ; 
______________________________________________________
or;  write as:
______________________________________________________
           " 70.32  + (2.1) * (2.7)  − 18a " ; 
______________________________________________________

To simplify:
______________________________________________________

  Using "PEDMAS" (the "order of operations") ; 

the "multiplication" comes first; 

So:  →  "(2.1) * (2.7) =  5.67 " .

And rewrite:
______________________________________________________
 " 70.32  + 5.67 − 18a " .

Now:  " 70.32 + 5.67 = 75.99 " ; 

So, we can the final simplified expression as:
______________________________________________________
   " 75.99  −  18a " ;  

or; write as:  " 75\frac{99}{100}  −  18a " .
______________________________________________________
7 0
3 years ago
How to do this question plz ​
enyata [817]

Answer:

  x = 10

Step-by-step explanation:

Use the Pythagorean theorem. The sum of the square of the sides is the square of the hypotenuse.

  x² +(√200)² = (√300)²

  x² = 300 -200

  x = √100 = 10

The length of the unknown side is 10 units.

3 0
3 years ago
Solve the inequality x divided by 6 is less than or equal to 3
Alja [10]
Your inequality looks like this:
\frac{x}{6}  \leq 3
To get rid of the /6, you need to multiply by 6 as the opposite operation cancels it out. So, all you need to do is multiply both sides by 6 to isolate x. 
Therefore:
x \leq 18
6 0
3 years ago
Simplify expression 2g +3(g+5)
Sophie [7]

Answer:

5g+15

Step-by-step explanation:

To solve this question, we will first expand the expression using the distributive rule: x(y+z)=xy+xz

Therefore:

2g+3(g+5)=2g+3*g+3*5

Simplify:

2g+3g+15

Add up like terms:

5g+15

6 0
4 years ago
Read 2 more answers
Solve the inequality.
svetlana [45]

Answer:

Step-by-step explanation:

n ≥ -2 + 9

n ≥ 7

3 0
3 years ago
Read 2 more answers
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