All categories

3 years ago

Can someone explain this to me my teacher did not explain how to do these problems well.

Mathematics

1 answer:

NikAS [45]3 years ago

8 0

Answer:

64.8cm = x + y

The maximum sleeve length, x, plus the maximum allowable deviation, y, is 62.2cm = x - y

Step-by-step explanation:

The minimum sleeve length is the ideal length, x, minus the maximum allowable deviation, y.

64.8cm + 62.2cm = x + y + x - y

127.0cm = 2x

63.5cm = x

There are now two equations with two unknowns so both variable can be solved for.

Add the equations together and solve for the ideal length, x.

64.8cm = 63.5cm + y

1.3cm = y

Substitute x into either of the original equations and solve for y.

Result:

x = 63.5cm

±y = ±1.3cm

You might be interested in

The yearbook club is handing out T-shirts to its members. There are 5 blue, 7 green, 9 red, and 4 yellow T-shirts in all. If Jac

damaskus [11]

Answer:

n(R)=9

n(Y)=4

n(B)=5

n(G)=7

n(s)25

probability of getting red =n(R)/n(S)=9/25

6 0

3 years ago

Challenge in a company, 95% of the workers are men. If 270people work for the company who

Alexeev081 [22]

Answer:

5,400

Step-by-step explanation:

5% = 270

270 ÷ 5 = 54

54 × 100 = 5400

6 0

3 years ago

Please explain your answer as well, THANKS!!!

dusya [7]

Answer:

11,232,000

Step-by-step explanation:

The key to this problem is knowing "repetition is NOT ALLOWED".

For the first 3 letters slot:

For the 1st slot, we can pick any of the 26 alphabets

For the 2nd slot, we can pick any of the 25 remaining alphabets (since 1 is already taken)

For the 3rd slot, we can pick any of the 24 remaining letters (since 2 is already taken)

For the three digits slot:

For the 1st slot, we can pick any one of the 10 digits

For the 2nd slot, we can pick any one of the 9 digits left, since 1 is taken already

For the 3rd slot, we can pick any one of the 8 digits left, since 2 is already taken

The number of license plates, thus, would be all of these multiplied together:

26 * 25 * 24 * 10 * 9 * 8 = 11,232,000

7 0

3 years ago

I need help solving this equation 4n-9=2(5+2n)

Nastasia [14]

First, use distributive property on the right half.

2 * 5 = 10

2 * 2n = 4n

4n - 9 = 10 + 4n

Add 9 to both sides

4n = 19 + 4n

Subtract 4n from both sides

0 = 19

But thats not true. Therefore, there is no solution.

4 0

3 years ago

Edward Winslow deposited $20,000.00 into a savings account paying 6% annual interest compounded monthly. What amount will be in

Ad libitum [116K]

Answer:

$28360

Step-by-step explanation:

Step one:

Given data

P=20000

rate= 6%

time= 6years

Step two:

compound interest

A=P(1+r)^t

substitute

A=20000(1+0.06)^6

A=20000(1.06)^6

A=20000*1.418

A=$28360

4 0

3 years ago