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lisov135 [29]
3 years ago
5

1/8(-8c+16)-1/3(6+3c)

Mathematics
2 answers:
Shkiper50 [21]3 years ago
5 0

Answer:

-2c

Step-by-step explanation:

The given expression is

\frac{1}{8}(-8c+16)-\frac{1}{3}(6+3c)

We need to find the simplified form of the given expression.

Using distributive property we get

\frac{1}{8}(-8c)+\frac{1}{8}(16)-\frac{1}{3}(6)-\frac{1}{3}(3c)

-c+2-2-c

On combining like terms we get

(-c-c)+(2-2)

-2c+0

-2c

Therefore, the simplified form of the given expression is -2c.

Misha Larkins [42]3 years ago
4 0
\frac{1}{8}(-8c+16) - \frac{1}{3}(6+3c)

This may look scary, but all you have to do is distribute, first:
(-c+2)-(2+c)

Now it's much easier (remember to distribute the negative):
-c+2-2-c = -2c

So, the entire thing simplifies to -2c. NEAT!
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Write a proportion to find how many points x a student needs to score on a test worth 50 points to get a test score of 78%.
olganol [36]
The answer is:  "39 points" .
_______________________________________________________
Explanation:
_______________________________________________________
" x/ 50 = 78/100 " ;   in which "x" equals the number of points needed.

_______________________________________________________

To solve for "x" ; 
_______________________________________________________

Look at the denominators:  50 * (what value?) = 100.

→ "100 ÷ 50 = 2" .

→ So;  "50 * 2 = 100" ; 

So, let us look at the numerators:

x * 2 = 78 ; 

↔  2x = 72 ; 

Divide each side of the equation by "2" ; to isolate "x" on one side of the equation ; and to solve for "x" ;
_____________________________________________
 →  78 ÷ 2 = 39 ;

The answer is:  "39 points" .
_____________________________________________


4 0
3 years ago
If an animal dies, what percent of the carbon-14 will be left in 20000 years?​
Radda [10]

Answer:

8.898% will remain after 20000 years.

Step-by-step explanation:

First week need to know the half-life of carbon-14.

In this case it's 5,730 years.

There are calculators available online. (I'm too lazy to run through the equation.) 8.898% will remain after 20000 years.

5 0
3 years ago
Systems of equations needs to be solved in substitution form I will give five stars for the answer
Greeley [361]

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x=2

Step-by-step explanation:

Just copie the picture

6 0
2 years ago
Is this right?<br> I’m not sure in my answer
gayaneshka [121]

Answer:

Yeah that seems good. ghg

5 0
3 years ago
The area of a rectangular field is 1,710 square feet. The lenght of the field is 45 feet. What is the width of the field
son4ous [18]

Answer: 38 because area is length tome width so you would divide to find the width and 1,710 divided by 45 is 38


Step-by-step explanation:


7 0
3 years ago
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