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Ede4ka [16]
3 years ago
11

Solve the following equations 3x-5=40

Mathematics
2 answers:
Svetllana [295]3 years ago
5 0

Answer:

x = 15

Step-by-step explanation:

3x - 5 = 40

add 5 to each side of the equation:

3x - 5 + 5 = 40 + 5

simplify:

3x = 45

divide both sides by 3:

3x/3 = 45/3

simplify:

x = 15

Otrada [13]3 years ago
3 0

Answer:

x=15

Step-by-step explanation:

3x−5+5=40+5

3x=45

Step 2: Divide both sides by 3.

3x3=453

x=15

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In-s [12.5K]

Answer:

-6

Step-by-step explanation:

When x is -7, you just find the coordinates that fall on the line, so the coordinates are (-7,-6)

6 0
3 years ago
The Blue Lake Trail is 11 3/8 miles long. Gemma has hiked 2 1/2 miles each hour for 3 hours. How far is she from the end of the
Liula [17]
2 1/2 * 3 

5/2 * 3/1

= 15/2 

15/2 - 11 3/8

15/2 - 91/8 
 
91/8 - 60/8

= 31/8 = 7 7/8

answer=7 7/8








5 0
3 years ago
How do I work with percents? Describe Please! ​
ella [17]
With what in regard? For fractions, percentage is relative to the amount “full”. Think or a bottle of water, if it’s 50% full, it’s got 1/2 (50/100) filled with water. Simplifying is the process of taking a big fraction, say, 12/36, and finding the similarity to reduce it. 12 and 36 are both even, so let’s try to divide it by 2. 12/2 is 6, and 36/2 is 18. 6/18. However this is simplified it is not in simplest form, so we can divide It again. 6/2 is 3, and 18/2 9. 3/9 can be reduced by 3, making 1/3. 1/3 is the simplest form.
8 0
3 years ago
A rectangular prism has a length of 1514 centimeters, a width of 8 centimeters, and a height of 214 centimeters. what is the vol
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1514 * 8 * 214 = 2,591,968cm.

Hope this helps!
Please mark brainliest! I need one more brainliestto get to the next rank! PLZ
4 0
3 years ago
Read 2 more answers
A plane can travel 640 miles against the wind in the same time it can travel 800 miles with the wind. If the plane can fly 180 m
alexgriva [62]
Here is how to solve it:
<span>Distance1 ÷ (plane velocity + wind velocity) = Distance2 ÷ (plane velocity - wind velocity)</span>800 / (180 + wv) = 640 / (180 - wv)

115,200 +640 wv = 144,000 - 800 wv

1,440 wv = 28,800

wind velocity = 20 mph

Source:
http://www.1728.org/veloccal.htm


4 0
4 years ago
Read 2 more answers
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