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vitfil [10]
3 years ago
6

Solve. 18=34-2xEnter only the value of the variable.

Mathematics
2 answers:
alina1380 [7]3 years ago
6 0

Answer:

x = 8

Step-by-step explanation:

18 = 34 - 2x

18 - 34 = -2x

-16 = -2x

x = -16/-2

x = 8

Leni [432]3 years ago
3 0

Answer:x=8

Step-by-step explanation:

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David borrowed $30,000 to start a business. Four years later he repaid $1260 in interest. What was the annual rate? Round to two
ollegr [7]
Annual rate = 1.05%

Simple interest formula is I = Prt * 100
Where P is principle, I is interest, r is rate and t is time.

Transpose to make r the subject

Prt * 100 = I
r = I/ Pt * 100

Substitute values into the equation.
Let I = $1260, P = $30,000 and t = 4 years

r = $1260/ $30,000 * 4 * 100
r = 0.0105 * 100
r = 1.05%
5 0
3 years ago
Susan ran 4 miles in 20 minutes. How many minutes will she take to walk 3 miles
inn [45]

Answer: 15

Step-by-step explanation:

4/20 is your ratio. Simplify it and it'd be 1/5. This means in 1 mile has been walked in 5 minutes. 3 x 5 is 15, so it took Susan 15 minutes.

6 0
3 years ago
What is the greatest common factor of x4 and x3
Dvinal [7]

Answer:

x3

Step-by-step explanation:

Considering x4 and x3 actually power terms.

I mean: x4 is x^{4} and x3 is x^{3}.

Let's decompose the first term: x^{4}=x^{3}.x

Now it is clear that the common factor is x^{3}.

5 0
3 years ago
There were 462 people sitting in the audience. Round the number of people to the nearest hundred.
Pavel [41]
500
Sorry if its wrong
4 0
3 years ago
In a parking lot of 240 red and blue cars, the ratio of red cars to blue cars is 3 : 5.
AveGali [126]

Answer:

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3x + 5x = 240

8x = 240

x = 30

red:blue = 3:5

30

7 0
3 years ago
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