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sergey [27]
3 years ago
15

What is the value of x?

Mathematics
2 answers:
podryga [215]3 years ago
8 0
Since vertical angles are congruent, in order to find the value of x we must equal the two values to each other.

3x+50=6x-10
add 10 to both sides.
3x+60=6x
subtract 3 from both sides
60=3x
divide both sides by 3
x=20
valkas [14]3 years ago
3 0
These are vertical angles and they are equal

3x + 50 = 6x - 10
50 + 10 = 6x - 3x
60 = 3x
60/3 = x
20 = x <==

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Our bill was $5.79. Avon has a 5.25% tax and our waitress earned a 15% tip. What was the total bill?
oksano4ka [1.4K]

Answer:

$6.96

Step-by-step explanation:

5.25% of $5.79

5.79 × 5.25/100 = $0.303975 or $0.30

15% of $5.79

5.79 × 15/100 = $0.8685 or $0.87

total

$0.29 + $0.87 + $5.79 = $6.96

3 0
3 years ago
In a flight of 600 km, an aircraft was slowed down due to bad weather. Its average speed for the trip was reduced by 200 km/hr a
emmainna [20.7K]

Answer:

the  duration of the flight be 1 hour

Step-by-step explanation:

The computation of the duration of the flight is shown below:

Let us assume the duration of the flight be x hours

Now the equation would be

600 ÷ x - 600 x + (1 ÷ 2) = 200

600 ÷ x - 1200 ÷ 2x + 1 = 200  

x(2x + 1) = 3

2x² + x - 3 = 0

(2x + 3)(x - 1) = 0  

x = 1 hour

hence, the  duration of the flight be 1 hour

The same is to be considered

4 0
3 years ago
One of the byproducts of nuclear power generation is Uranium-233. Uranium is decaying at a constant 57% rate per day. If 3,820 p
sattari [20]
Given that the rate of Uranium decay is 57%, this means that after each day, only 0.43 of the mass from the prior day is left. The equation that would best represent the scenario is,
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where a(t) is the mass after t days and t is the number of days. Substituting,
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3 years ago
12a+6b equivalent expression
patriot [66]

Answer:

6(2a+b)

Step-by-step explanation:

The given expression is

12a+6b

To find the equivalent expression of the given one, we just have to factor.

In this case, the only thing we can do to rewrite is to extract the common greatest factor, which is 6

12a+6b\\6(2a+b)

Therefore, the equivalent expression is

6(2a+b)

5 0
4 years ago
A construction company needs new materials for the next job. It needs to purchase three wood beams. Each beam costs $45.25. The
Lena [83]
Answer: $210.75

Explanation: You multiply the price of the object by how many they buy.
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Another way to do it is (3 x 45.25) + (6 x 12.50) = 210.75
7 0
3 years ago
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