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kompoz [17]
2 years ago
15

The solution of 5(x+2) – 3x = 2(x – 5)

Mathematics
1 answer:
Burka [1]2 years ago
7 0

Answer:

Step-by-step explanation:

5x + 10 - 3x = 2x - 10

2x + 10 = 2x - 10

0x = -20

no solution

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Which of the following is correct?
Andru [333]

Answer:

none

Step-by-step explanation:

7 0
2 years ago
A dog and a cat are 200 meters apart when they see each other. The dog can run at a speed of 30 meter per second, while the cat
LenKa [72]

Answer:

They'll meet after 200 meters , if they simultaneously start running towards each other.

Step-by-step explanation:

Let x =distance travelled by dog and 200-x be the distance travelled by cat. Inorder to meet, the sum of their travelled distances shall be equal to 200 meters as they are far apart by 200 meters.

Dog: Distance =Speed x time: x=30t

Cat: Distance = 200-x

=24t

The sum of their distance travelled shall be 200 meters: 30t+ 24t= 200;54t=200;t=200/54=3.7secs

So they will meet after 3.7 seconds

To check:

Distance travelled by dog :x=30(3.7)

=111.11 meters

Distance travelled by cat: 24t=24(3.7)

=88.89 meters

Therefore since they are travelling towards each other and their distance apart is 200 meters, after 3.7 seconds they will meet because dog travelled 111.11 meters and cat travelled 88.89 meters and they covered already 200 meters as the sum of 111.11+ 88.89

=200 meters

6 0
1 year ago
Just help me already plzzzzzzzzzzzz
laila [671]

Answer:

140-80= 60

60/5=12

so B 12 is the answer

4 0
2 years ago
Find 118% of 19 could really use some help late bloomer 
Zanzabum
Hello, 

<span>to find the percent of a number what we have to do is to multiply the number by de percent that we want to know and divide by 100, so:
</span>
19* \frac{118}{100} =22.42

Answer: 118% of 19 is 22.42
7 0
3 years ago
Read 2 more answers
An element has half life of about 20 days. How much of 3000 gram sample is left after 100 days?
bagirrra123 [75]

t=100

p=3000

t 1/2 = 20

Try inserting the numbers in the half-life formula.

4 0
3 years ago
Read 2 more answers
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