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ivanzaharov [21]
3 years ago
5

Simplify the ratio 8ft/12in Use the conversion 12 in. = 1 ft.

Mathematics
2 answers:
nata0808 [166]3 years ago
8 0

Answer:

the real answer is 2/3

Step-by-step explanation:


wlad13 [49]3 years ago
6 0
Well its pretty easy its either 8/1ft or 96/12in
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Tate fills a 13 1/3 ounce glass from a 21 2/3 ounce bottle of juice. how much juice is left in the bottle?
umka21 [38]
8 1/3

   13
-  21 = 8

  2/3
- 1/3 = 1/3

8 1/3
6 0
3 years ago
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An empty tank is filled with water at a constant rate. The table shows w, the number of gallons of water in the tank after m min
Tomtit [17]
B I think I remember having this
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3 years ago
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The surface of a hill is modeled by z = 100 − 4 x 2 − 2 y 2 . When a group of hikers reach the point (-3,-2,56) it begins to sno
m_a_m_a [10]

Answer:

(-24, -8)

Step-by-step explanation:

Let us recall that when we have a function f

\large f:\mathbb{R}^2\rightarrow \mathbb{R}\\f(x,y)=z

<em>if the gradient of f at a given point (x,y) exists, then the gradient of f at this point (x,y) gives the direction of maximum rate of increasing and minus the gradient of f at this point gives the direction of maximum rate of decreasing</em>. That is

\large \nabla f=(\frac{\partial f}{\partial x},\frac{\partial f}{\partial y})

at the point (x,y) gives the direction of maximum rate of increasing

\large -\nabla f

at the point (x,y) gives the direction of maximum rate of decreasing

In this case we have

\large f(x,y)=100-4x^2-2y^2

and we want to find the direction of fastest speed of decreasing at the point (-3,-2)

\large \nabla f(x,y)=(-8x,-4y) \Rightarrow -\nabla f=(8x,4y)

at the point (-3,-2) minus the gradient equals

\large -\nabla f(-3,-2)=(-24,-8)

hence the vector (-24,-8) points in the direction with the greatest rate of decreasing, and they should start their descent in that direction.

7 0
4 years ago
does the value of money in a savings account increase over time? A. because future value is always equal to present value B. bec
xenn [34]

Given statement is "does the value of money in a savings account increase over time?"

Then we have been given four different choices.

Now we need to select correct choice from them.


In saving account usually user deposits some money and bank gives some interest on that money. So In any case future value  which is sum of deposited money and the earned interest will be more than the present value.

So the correct matching choice is <u>"D. because it earns interest."</u>



8 0
4 years ago
Suppose the average length of a fish caught in Lake Springfield is 10.6 in with standard deviation 4.1 in. Assuming lengths of f
sergejj [24]

Answer:

0.035547

Step-by-step explanation:

We would be using z score formula to solve for this question

The formula for calculating a z-score is is

z = (x-μ)/σ

where x is the raw score = 18 in

μ is the population mean = 10.6 in

σ is the population standard deviation = 4.1 in

z score = 18 - 10.6/ 4.1

z score = 7.4 /4.1

z score = 1.80488

Using the normal distribution table to find the probability for the z score of 1.80488

Probability value from Z-Table:

P(z = 1.80488) = 0.96445

The probability that a fish caught there will be longer than 18 in is calculated as:

P(x>18) = 1 - P(z = 1.80488)

= 1 - 0.96445

= 0.035547

4 0
3 years ago
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