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maksim [4K]
3 years ago
13

Solve. 3 + x = 4x + 12

Mathematics
1 answer:
mart [117]3 years ago
8 0

Answer:

-3

Step-by-step explanation:

this is because you subtract 4x from one side to get -3x +3= 12. then u get rid of the 3 so you subtract is and get -3x=9. therefore u get -3. (please don’t delete my answer when I take time out of my day to help you)

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Jane run 7 miles in 60 minutes. At the same rate, how many miles will she run in 24 minutes
statuscvo [17]

Answer:

Denote the amount of miles she will run in 24 minutes: x

=> x/24 = 7/60 (same rate)

=> x = 7x24/60 = 2.8 (miles)

5 0
3 years ago
Two cars are side by side. One is 3.9 meters long. The other is 6% shorter. How long is the second car?
GrogVix [38]

Answer:

3.66meters long

Step-by-step explanation:

since it's 6% shorter you calculate 3.9 times .94(which is basically 94 percent) which gives you 3.66 meters long

7 0
3 years ago
(5x10)+(4x1)+(6x1/10)+(2x1/1000
Furkat [3]
This is the answer ,you should first do the multiplication then the sum.

5 0
3 years ago
Read 2 more answers
4 x 2/4 as a mixed fraction
aliina [53]

4 x 2/4

2/4 can be reduced to 1/2

Now you have 4 x 1/2

Multiply 4 by 1 then divide by 2:

4 x 1 = 4

4/2 = 2

The answer is 2

5 0
2 years ago
Can someone help with these two PLZ.
Alexandra [31]

Answer:

5. 76

6. 24

Step-by-step explanation:

5.

x + x = 152

2x = 152

x = 76

6.

2x + 3x = 120

5x = 120

x = 24

7 0
3 years ago
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