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Hatshy [7]
2 years ago
10

7W + 3 = -4W - 85 a. -11b. 11c. 8d. -8​

Mathematics
1 answer:
mylen [45]2 years ago
6 0
-8
Step 1) Subtract 3 from both sides of the equation
Step 2) Add 4W to both sides of the equation
Step 3) Divide both sides of the equation by the same factor
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If a car reaches speeds of 0-100 mph in 0.8 seconds, how many mph will it reach in 1 second?
zvonat [6]

Answer:

125 mph

Step-by-step explanation:

This can be calculated as a simple rule of 3.

In rule of 3 problems, you need to first identify the measures and whether they are direct or inverse to each other.

If they are direct to each other, if one value increases the other will increase too. For example, lets suppose that the Buffalo Bills have won 3 of 4 games. When there are 8 games, then will have won 6, keeping this proportion. Here, the measures are the number of games and the number of Buffalo Bills wins.

Now if they are inverse to each other, if one value increases the other will decrease. For example, if you travel at 60 mph, you will need 6 hours to arrive at your destination. At 80 mph, you will need less time. So, a the average speed increases, the time you need will decrease.

In this case the speeds is proportional to the time. So, if the time increases, the speed will increase too. It can be calculated by the following rule of 3.

   Speed               Time

 100 mph - 0.8 seconds

 x mph      -  1 second

x = 100/0.8 = 125 mph.

4 0
3 years ago
.A square field has a side 30m. Find the cost of fencing its four sides at Rs. 10 per metre​
Ratling [72]

Answer:

1,200

Step-by-step explanation:

So first we need to find the perimeter

P=30+30+30+30\\\\P=120

so it costs 10 per meter

120\times 10=1,200

7 0
3 years ago
Goto ----> cash.gg to redeem your robux PRIZE!!!!
Musya8 [376]

Answer:

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5 0
3 years ago
Read 2 more answers
Round 2,165.413 to the nearest hundredth.
stira [4]

2,200.413 is 2,165.413 to its nearest hundredth.

4 0
2 years ago
Solve for x x^2-2x+1=0
Molodets [167]

Answer:

x=1

Step-by-step explanation:

By factoring, you'll compress the equation to (x-1)^2=0

Next take out the square: x-1=0

Now subtract one to the other side to get x! x=1

Hope this helps! :)

3 0
2 years ago
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