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zheka24 [161]
3 years ago
15

The side of a square is measured to be 10ft with a possible error of plus/minus 0.1ft. Use linear approximation or differentials

to estimate the error in the calculated area. Include units in your answer.
Mathematics
1 answer:
Arlecino [84]3 years ago
7 0

Answer:

±2∧

Step-by-step explanation:

x=10ft dx=±0.1

area y=x²

dy=2xdx

when x=10

dy=2×10×(±0.1)=±2

error in area=±2

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4x/5 - 3x/7 = 4x/7 + 5x/7 can anyone please help with explanation...​
kirill115 [55]

Answer: x=0

Step-by-step explanation:

Multiply both sides of the equation by 35, the least common multiple of 5,7.

7×4x−5×3x=5×4x+5×5x

Multiply 7 and 4 to get 28.

28x−5×3x=5×4x+5×5x

Multiply −5 and 3 to get −15.

28x−15x=5×4x+5×5x

Combine 28x and −15x to get 13x.

13x=20x+25x

Combine 20x and 25x to get 45x.

13x=45x

Subtract 45x from both sides

13x−45x=0

Combine 13x and −45x to get −32x

−32x=0

Product of two numbers is equal to 0 if at least one of them is 0. Since −32 is not equal to 0, x must be equal to 0.

X=0

7 0
3 years ago
What's y+24 over 4 equals to 8<br>​
trapecia [35]

Answer:

y = 8

Step-by-step explanation:

8 + 24 = 32

32/4 = 8

6 0
4 years ago
Read 2 more answers
78/25 as a terminating decimal
Kazeer [188]
To write \frac{78}{25} as a terminating decimal we will turn this fraction to a decimal. To do this we will divide the numerator by the deliminator and the result will be the decimal.Then we will check if it is a terminating decimal or repeating decimal. Lets do it:-

\frac{78}{25}
78 ÷ 25 = 3.12

3.12 is a terminating decimal. 

So, \frac{78}{25} as a terminating decimal is 3.12.

Hope I helped ya!! 
8 0
3 years ago
Read 2 more answers
Hii pls help i’ll give you brainliest if you give a correct answer.
Maksim231197 [3]

Answer:

19.375

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Wen was hiking on a 12-mile route. During the first 2 hours, his hiking speed was 3 mph. During the rest of the hike, his speed
Mars2501 [29]

The total time taken to cover 12 miles distance is 5 hours.

<u>Given the Parameters</u> :

  • Total distance hiked = 12 miles

Recall :

  • Distance = speed × time

Let :

  • Total Time taken = t

<u>We could create an equation thus</u> :

Total distance = 3(2) + 2(t - 2)

12 = 6 + 2t - 4

12 = 2 + 2t

12 - 2 = 2t

10 = 2t

t = 10/2

t = 5

Therefore, the total time taken is 5 hours

Learn more :brainly.com/question/18796573

5 0
3 years ago
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