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Rina8888 [55]
3 years ago
11

Solve for the given variable. Record your work and check the solution, if possible.

Mathematics
2 answers:
scoray [572]3 years ago
7 0

Final Answer: c = 10

Steps/Reasons/Explanation:

Question: Solve for the given variable: 75c - 300 = 25c + 200.

<u>Step 1</u>: Add 300 to both sides.

75c = 25c + 200 + 300

<u>Step 2</u>: Simplify 25c + 200 + 300 to 25c + 500.

75c = 25c + 500

<u>Step 3</u>: Subtract 25c from both sides.

75c - 25c = 500

<u>Step 4</u>: Simplify 75c - 25c to 50c.

50c = 500

<u>Step 5</u>: Divide both sides by 50.

c = \frac{500}{50}

<u>Step 6</u>: Simplify \frac{500}{50} to 10.

c = 10

~I hope I helped you! :)~

nikdorinn [45]3 years ago
4 0

Answer:

10

Step-by-step explanation:

75c-300=25c+200

-25c         -25c

50c-300=200

+300         +300

50c=500

c=10

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4 0
3 years ago
If f(x)=10x-1, the value of f(-2) is?
shutvik [7]

Answer:

-21

Step-by-step explanation:

to solve this problem,

replaced the variable x with -2

f(-2) = 10(-2) - 1

multiply 10 and -2

-20 -1

add the value of -1 and - 20

rules of integers

-21

the answer is

f( -2) = -21

7 0
3 years ago
(40) points help me out here please!
Pepsi [2]

Answer:

refer to attached

Step-by-step explanation:

The rest of the table has been filled in,

See attached below

7 0
4 years ago
Please help! Just with Part B...
BARSIC [14]

Answer:

a) Number of calories burned in x hours of cycling 600x and Number of calories burned in y hours of Swimming is 400y.

b)The equation in general form that relates number of hours of cycling and swimming carols needs to perform to loose 5 pounds is 6x+4y=160.

Step-by-step explanation:

Given:

5 pounds of body fat = 16000 calories

Number of calories burn in 1 hour of cycling = 600

Number of calories burn in 1 hour of swimming = 400

Part a:

We need to find number of calories will Carol burn in x hours of cycling and number of calories will Carol burn in y hours of swimming.

Solution:

Now we know that;

1 hr of cycling = 600 calories burned

x hr of cycling = Number of calories burned in x hours of cycling.

By using Unitary method we get;

Number of calories burned in x hours of cycling = 600x

Also we know that;

1 hr of swimming= 400 calories burned

y hr of swimming = Number of calories burned in y hours of swimming.

By using Unitary method we get;

Number of calories burned in y hours of Swimming = 400y

Hence Number of calories burned in x hours of cycling 600x and Number of calories burned in y hours of Swimming is 400y

Part b:

We need to write equation in general form that relates number of hours of cycling and swimming carols needs to perform to loose 5 pounds.

Solution:

Now given;

5 pounds = 16000 calories.

So we can say that;

Total number of calories to be burn is equal to sum of Number of calories burned in x hours of cycling  and Number of calories burned in y hours of Swimming.

framing in equation form we get;

600x+400y=16000

Now dividing both side by 100 we get;

\frac{600x}{100}+\frac{400y}{100}=\frac{16000}{100}\\\\6x+4y=160

Hence the equation in general form that relates number of hours of cycling and swimming carols needs to perform to loose 5 pounds is 6x+4y=160.

4 0
4 years ago
A recipe calls for 2 tsp of butter. Melinda wants to make 40% more servings than the recipe makes. Which expression represents h
zubka84 [21]
The answer is D. 1.4=140% She needs the necessary amount + 40% .
4 0
3 years ago
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