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3 years ago

Give an example of a unit rate that you have seen or used in your life recently.

Mathematics

2 answers:

yulyashka [42]3 years ago

8 0

5 dollars and hour.............

Julli [10]3 years ago

8 0

Answer:

$100

Step-by-step explaine:

My house cleaners charge $25 per hour and they spend about 4 hour cleaning the house how much money will they make in the 4 hours spent cleaning the house?

Take 4 and multiply it by 25

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A sine function is transformed such that it has a single x-intercept in the interval (0,pi), a period of pi and a y-intercept of

Alex787 [66]

Just to make sure we're using the same language, I'm going to use the function form of:

$y = A\sin(kx) + h$

[] I would agree that k = 2, since the period is only half as long as a normal sine function. So, we so far, have y = A sin(2x) + h. We still need to find A and h.

[] The y-intercept is 3. Remember that the y-intercept happens when x = 0. So, plugging in x = 0 into our formula, we have: 3 = A sin(2*0) + h. In other words, 3 = A sin(0) + h = 0 + h = h. So, we now know that h = 3. The formula is now y = A sin(2x) + 3.

[] Finally, there is a single x-intercept. Picture what the sine function looks like right now, it is floating in the air around y = 3. We need to stretch it vertically until it just grazes the x-axis.

If A = 1, then our sine function bounces between 2 and 4 (+/- 1 around h = 3). But that doesn't touch 0, so no good.

If A = 2, then our sine function bounces between 1 and 5 (+/- 2 around h = 3). Again, not quite touching 0 yet.

The answer should be A = 3, then our sine function bounces between 0 and 6 (+/- 3 around h = 3).

The final formula is y = 3 sin(2x) + 3.

7 0

3 years ago

For a birthday party you need to cut two submarine sandwiches into smaller pieces of equal length for your friends.one sandwich

vovangra [49]

Answer:

4 inches

Step-by-step explanation:

Let us assume that there are few numbers of friends.

Therefore, 28 inches of one sandwich has to be divided into equal few pieces and another 36 inches of the sandwich has to be divided into equal few pieces.

We have to calculate the greatest possible length of the pieces.

Therefore, the greatest length of each piece will be a common factor of 28 and 36.

Now, we have 28 =2×2×7 and 36 =2×2×3×3. Hence, the greatest possible factor is 2×2 = 4.

Therefore, greatest possible length of each piece of the sandwich is 4 inches. (Answer)

5 0

2 years ago

Explain how to use the distributive property to find an expression that is equivalent to 20 + 16

IceJOKER [234]

Answer:

What you need to do is to find a multiple of 20 and 16 in other words a number that can multiply into 20 and 16. You have 2 and you have 4. So now this is how it looks like.

Either:

4(5+4) Or

2(10+8)

Step-by-step explanation:

6 0

3 years ago

a recycling bin is in the shape of a rectangular box. find the height of the box if its length is 16ft, its width is 6 ft, and i

Andre45 [30]

Answer:

Height 4 ft

Step-by-step explanation:

Surface area= 2(lw + lh + wh) =

2(16)16)+2(16h)+2(6h) =

2(16)(6)+32h+12h=368

192 + 44h = 368

44h = 368 - 192

44h = 176

h = 176/44

6 0

2 years ago

Is .111111111... a rational number? Yes or No?

Mashcka [7]

Answer:

The answer is no this number is not rational.

Step-by-step explanation:

Because, To show that the rational numbers are dense:

It cannot be expressed as a fraction with integer values in the numerator and denominator. When an irrational number is expressed in decimal form, it goes on forever without repeating.

8 0

2 years ago

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