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3 years ago

A) What are the situations under which an ON/OFF controller would provide satisfactory response? (8)

Mathematics

1 answer:

LuckyWell [14K]3 years ago

3 0

Answer:

djzlalx dkk jej lwoeoxvhrh jej3hflak vkrjqldnfrj .

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A rectangular deck has a length of 18 feet and a width of 16 feet. If a hot tub takes up a square that is 4 feet on each side in

xxMikexx [17]

This is super simple! 16 x 18 288. We know it's a square (it has 4 sides) so 4 x 4 = 16. Now the hard part is done. All we have to do is 288 - 16. The answer is 272. 272 is the answer.

Happy studying ^-^

6 0

2 years ago

Which graph shows the solution set of the compound inequality 1.5x-1>6.5 or 7x+3<-25

ad-work [718]

For this case we have the following inequations:
1.5x-1> 6.5
7x + 3 <-25
Clearing x from each one we have:
For 1.5x-1> 6.5:
1.5x> 6.5 + 1
1.5x> 7.5
x> 7.5 / 1.5
x> 5
For 7x + 3 <-25:
7x <-25-3
7x <-28
x <-28/7
x <-4
The solution set is:
(inf, -4) U (5, inf)
Answer:
See attached image

8 0

3 years ago

-3(x - 2) - (2x - 3) = 5 - (4x - 2)

STatiana [176]

Answer:

x=2

Step-by-step explanation:

-3*(x-2)-(2*x-3)-(5-(4*x-2))=0

((0 - 3 • (x - 2)) - (2x - 3)) - (7 - 4x) = 0

2 - x = 0

-x+2 = 0

Subtract 2 from both sides of the equation :

-x = -2

Multiply both sides of the equation by (-1) : x = 2

4 0

2 years ago

Read 2 more answers

There are three consecutive even integers. If twice the first integer added to the second is 268, 244 find all three integers.

Rudik [331]

Answer:

The numbers would be 89,414 , 89,416, and 89,418

Step-by-step explanation:

In order to find this, start by setting the lowest number as x. Then we can determine that the next two even integers are x + 2 and x + 4. From this we can write the following equation.

2(x) + x + 2 = 268,244

3x + 2 = 268,244

3x = 268,242

x = 89,414

Since the first number is 89,414, we know the next two are 89,416 and 89,418.

6 0

2 years ago

A standard deck of cards contains 52 cards. One card is selected from the deck.(a)Compute the probability of randomly selecting

Aneli [31]

a. There are four 5s that can be drawn, and $\binom43=4$ ways of drawing any three of them. There are $\binom{52}3=22,100$ ways of drawing any three cards from the deck. So the probability of drawing three 5s is

$\dfrac{\binom43}{\binom{52}3}=\dfrac4{22,100}=\dfrac1{5525}\approx0.00018$

In case you're asked about the probability of drawing a 3 or a 5 (and NOT three 5s), then there are 8 possible cards (four each of 3 and 5) that interest you, with a probability of $\frac8{52}=\frac2{13}\approx0.15$ of getting drawn.

b. Similar to the second case considered in part (a), there are now 12 cards of interest with a probability $\frac{12}{52}=\frac3{13}\approx0.23$ of being drawn.

c. There are four 6s in the deck, and thirteen diamonds, one of which is a 6. That makes 4 + 13 - 1 = 16 cards of interest (subtract 1 because the 6 of diamonds is being double counted by the 4 and 13), hence a probability of $\frac{16}{52}=\frac4{13}\approx0.31$ .

- - -

Note: $\binom nk$ is the binomial coefficient,

$\dbinom nk=\dfrac{n!}{k!(n-k)!}={}_nC_k=C(n,k)=n\text{ choose }k$

6 0

3 years ago