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ZanzabumX [31]
3 years ago
15

Can someone solve 2x+5=x-1

Mathematics
2 answers:
lorasvet [3.4K]3 years ago
7 0

Answer: x=-6

Step-by-step explanation:

Given

2x+5=x-1

Subtract 5 on both sides

2x+5-5=x-1-5

2x=x-6

Subtract x on both sides

2x-x=x-6-x

x=-6

Marina86 [1]3 years ago
4 0

Answer:

x = -6

Step-by-step explanation:

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25x² - 4 <br>I'm trying to help a friend n that's all they gave me ahh
torisob [31]
This is a difference of squares problem. You just have to make sure every term is a perfect square and that there is subtraction in the problem.

7 0
3 years ago
Erin gets her exercise by running. The graph shows the distances she covers in a given amount of time. How many hours does it ta
soldi70 [24.7K]

The correct answer is  c. 2 \frac{1}{2} hours

Explanation:

The graphic shows the relationship between the distance Erin covers by running and the time this requires. Additionally, to know the specific time that takes for Erin to run a specific distance or vice versa it is necessary to observe at which point the two variables intersect in the line of the graph.

According to this, Erin runs 25 miles (y-axis) in 2.5 hours (x-axis), which you can know because in the line shown by the graph the distance 25 miles that is in the middle of 20 and 30 miles intersects with 2.5 hours or the middle between 2 and 3. Additionally, this number can be expressed as 2 and a half hours, 2.5 or even 2 \frac{1}{2} hours because the fraction represents half. This makes option C the answer.

6 0
3 years ago
Faris's gas tank is 1/10 full. After he buys 24 liters of gas, it is 2/5 full. How many liters can Faris's tank hold?
Arisa [49]

Answer:

80 liters

Step-by-step explanation:

24 liters is the difference between 2/5 full and 1/5 full.

Let x = number of liters in full tank.

2/5 x - 1/10 x = 24

4/10 x - 1/10 x = 24

3/10 x = 24

1/10 x = 8

x = 80

Answer: 80 liters

5 0
2 years ago
Write the ratio as a fraction in simplest form.<br> 10 feet to 5 yards
Alex17521 [72]

Answer:

1:0.33

Step-by-step explanation:

This is because one foot= .333 yards

I hope this is what you were asking! :)

3 0
3 years ago
Please answer please
Luda [366]

Answer:

46°

Step-by-step explanation:

Since the 3 sides are given we can use any of the 3 trig. ratios to solve.

Using the tangent ratio in the right triangle

tan ? = \frac{opposie}{adjacent} = \frac{42}{40}, thus

? = tan^{-1} (\frac{42}{40} ) ≈ 46° ( to the nearest degree )

8 0
3 years ago
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