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3 years ago

8

It takes 2 hours and 32 minutes to wash 4 loads of clothes in a washing machine. At the same rate

2 answers:

SSSSS [86.1K]3 years ago

5 0

Well, it’s quite surprising to learn that washing and drying may take up to 80 minutes.

lianna [129]3 years ago

4 0

It’ll take 5 hours and 26 mins. Here’s how: Turn 2 hours 32 mins into minutes completely: 152 mins. Take that and divide it by the amount of loads (4) to get the number of minutes it takes for each load: 38 minutes. Multiple the mins it takes for each load (38) by 7 to get 266 minutes. Subtract by 60 (because dividing will give you a decimal) to group 266 into hours. You’ll get 5 pairs of 60 with a spare if 26 which means you’ve got 5 hours and 26 minutes.

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Please help meeeee I don’t really understand it

vredina [299]

3*3+4*4=x*x and 9+16=25 so x is 5 and then add other sides so 5+8+4+5

7 0

3 years ago

Sin tita= 0.6892.find the value Of tita correct to two decimal places<br><br>

Anvisha [2.4K]

Answer:

$\theta \approx 6.28n + 2.38, \quad n \in \mathbb{Z}$

or

$\theta \approx 6.28n + 0.76, \quad n \in \mathbb{Z}$

Considering $\theta \in (0, 2\pi]$

$\theta \approx 2.38$

or

$\theta \approx 0.76$

Step-by-step explanation:

$\sin(\theta)=0.6892$

We have:

$\sin (x)=a \Longrightarrow x=\arcsin (a)+2\pi n \text{ or } x=\pi -\arcsin (a)+2\pi n \text{ as } n\in \mathbb{Z}$

Therefore,

$\theta= \arcsin (0.6892)+2\pi n, \quad n \in \mathbb{Z}$

or

$\theta = \pi -\arcsin (0.6892)+2\pi n, \quad n\in \mathbb{Z}$

---------------------------------

$\theta \approx 6.28n + 2.38, \quad n \in \mathbb{Z}$

or

$\theta \approx 6.28n + 0.76, \quad n \in \mathbb{Z}$

4 0

3 years ago

Solve ry + s = tx - m for y. Explain each step in your solution.

sergeinik [125]

y = (t x - m -s)/r

Step-by-step explanation:

Step 1 :

Given,

r y + s = t x - m

=> r y = t x - m -s

=> y = (t x - m -s)/r

Step 2 :

A) r can take any values except 0.

This is because when r = 0, the denominator becomes 0 and division by 0 is undefined

The limitation for r is r should not be equal to 0

The other variables can take any value. Hence the other variables do not have any limitation

7 0

3 years ago

Simplify. Assume all variables are non-zero. HELP ASAP!

Alexandra [31]

Answer:

D

Step-by-step explanation:

((p^4*q)/p^8)^2.

p^4/p^8=p^(4-8)=p^-4=1/p^4

(q/p^4)^2=(q^2/p^8)

4 0

3 years ago

If the least value of n is 3, which inequality best shows all the possible values of n?

andrezito [222]

Answer:

1) B. n ≥ 3

2)A. 5x – 9

Step-by-step explanation:

1)

If the least value of n is 3 then all the values of n must be greater or equal to 3

Thus the correct option is B :n ≥ 3

2)

Given:

Milo's age is 9 years less than 5 times Pearl's age

Pearl's age is x years

5 times Pearl's age= 5x

then milo's age= 5x-9

so the correct option is A. 5x – 9 !

4 0

3 years ago