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Anastaziya [24]
3 years ago
10

Solve for x -4+4x=16

Mathematics
2 answers:
vesna_86 [32]3 years ago
7 0
X=5 because 4x5=20 and 20-4=16
nasty-shy [4]3 years ago
7 0

Answer:

x=5

Step-by-step explanation:

-4x+4x=16

+4         +4

----------------

4x=20

4x/4=20/4

x=5

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12% profit on a computer is Rs.540.
Savatey [412]

Answer:

the cost price is Rs. 4500 and the sale price is Rs. 5040.

Step-by-step explanation:

Let the cost price of the compute be Rs. x.

The profit earned is, Rs. 540.

The profit percentage is, 12%.

The formula to compute profit is:

Profit = SP - CP

\begin{gathered}540=x[1+\frac{12}{100}]-x\\540=1.12x-x\\540=0.12x\\x=\frac{540}{0.12}\\x=4500\end{gathered}540=x[1+10012]−x540=1.12x−x540=0.12xx=0.12540x=4500

Compute the selling price as follows:

SP = CP + profit

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     = 5040

Thus, the cost price is Rs. 4500 and the sale price is Rs. 5040.

8 0
2 years ago
3. the quotient of -9 and y
skelet666 [1.2K]

Answer:

9\y=a I'm not sure BTW wc

4 0
3 years ago
Fill in the table using this function rule.
astra-53 [7]

12, 16, 20, 44

Just substitute the number on the x side of the table for x in the equation and solve to get the y value.

3 0
3 years ago
Read 2 more answers
What is the ratio for 3 feet to 42 inches in simplest form
Natali [406]

Answer:

3:3.5

Step-by-step explanation:

3 feet :42 inches

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5 0
4 years ago
The half-life of a radioactive element is five years. A scientist has 18 grams of the element. The equation
lianna [129]

Answer:

The equation that describes the amount of mass left after a time t of a radioactive isotope is the following:

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