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EleoNora [17]
4 years ago
7

Can someone please help !

Mathematics
1 answer:
hjlf4 years ago
7 0

Answer:

x=2

Step-by-step explanation:

3x-5=x-1

x=2

Equal HI and IJ to each other.

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A combination lock has 25 numbers on it. How many different 3-digit lock combinations are possible if no digit can be repeated?
IgorC [24]

Answer:

The number of ways is 13,800 ways

Step-by-step explanation:

In this question, we are tasked with calculating the number of ways to form 3-digits codes from 25 different numbers given that no repetition is allowed.

Now, for the first digit, we have all the 25 numbers completely wanting to take a spot. Now, in how many ways can we choose a single out of 25, that would be 25 ways

Now, we have 24 numbers left, and we are trying to pick one, the number of ways this can be done is 24 ways also

for the last digit, we have 23 numbers and we are selecting just one, the number of ways this can be done is 23 ways too

Thus, the cumulative number of ways would be 25 * 24 * 23 = 13,800 ways

7 0
3 years ago
Mr. Dodd fill the gas tank on his lawnmower with 3.8 gallons of gas he mowed his yard 10 times on the same tank of gas he use th
iren [92.7K]

Answer:he used 0.38 gallons if gas for each time.

Step-by-step explanation:

The total number of gallons of gas that Mr Dodd used to fill the gas tank on his lawnmower is 3.8

He mowed his yard 10 times on the same tank of gas.

If he used the same amount of gas each time, it means that the amount of gas that he used for each of the time would be

3.8/10 = 0.38 gallons of gas

4 0
3 years ago
Jason and his family travel 160 miles in 3.2 hours. If they continue at this constant speed, how long will it take them to trave
Inga [223]

It will take them 6 hours to travel 300 miles. How I got my answer: 160 divided by 3.2 = 50 miles per hour, 300 divided by 50 = 6 hours. Hope I could help! :D

7 0
3 years ago
Read 2 more answers
Boys ate 6 3/5 pizzas girls ate 5 3/10 pizza teachers 1 1/2 pizza how much pizza did they eat combined
Olin [163]

Answer:

13.3

Step-by-step explanation:

for \: the \: boys \:  = 6 \times \frac{3}{5}  =  \frac{18}{5}  \\ for \: the \: girls \:  = 5 \times \frac{3}{10}  =  \frac{15}{10}  = \\ and \: for \: the \: teacher \:  =  \frac{1}{2}  \\ by \: add \: all \: of \: the \: above \:  \\  \frac{18}{5}  +  \frac{15}{10}  +  \frac{1}{2}  =  \frac{67}{5}  = 13.4

7 0
4 years ago
Compare the value of 4 in 4,590 and 349,625
Kitty [74]

Answer:

1.10

Step-by-step explanation:

40,000 times 1/10 will result in the product of 4,000.

6 0
3 years ago
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