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2 years ago

Explain how the models in questions in 1 and 2 are the same

Mathematics

2 answers:

motikmotik2 years ago

6 0

When dividing with fractions, you "keep, change, and flip" the problem.

This means that the 4 becomes 1/4, so they are equal to each other.

What it looks like:

$\frac{1}{2}$ ÷ 4 -> $\frac{1}{2}$ x $\frac{1}{4}$

$\frac{1}{2}$ = keep

÷ = change to x

4 = flip to $\frac{1}{4}$

densk [106]2 years ago

3 0

Answer:

so if you divide 1/4 by 4 it's gonna be 1/8 and if you do the problem under it it would be 1/8 too have wonderful day my friend!!

Step-by-step explanation:

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Desde la cuspide de un faro de 50m de altura sobre el nivel del mar se observa que el angulo depersion a un bote velero es de 20

poizon [28]

Answer:

137.4 meters

Step-by-step explanation:

In this case, they give us the height of the lighthouse that corresponds to 50 meters and the depression angle is 20 °, in this case we can apply the tangent trigonometric function, which relates the opposite side to the adjacent side.

tan a ° = opposite / adjacent

the horizontal that is formed would be the adjacent side, therefore if we solve we are left with:

horizontal distance = opposite / tan to °

replacing, we are left with:

hd = 50 / tan 20 °

hd = 50 / 0.3639

hd = 137.4

the horizontal distance is equal to 137.4 meters

3 0

3 years ago

The answers to the blanks please :)

Marianna [84]

There’s nothing shown up for it sooo...can you type it out so I can help

6 0

3 years ago

If 1 kilogram = 2.206 pounds , how many pounds are in a gram

dimaraw [331]

Answer:

0.002206 pounds in a gram

Step-by-step explanation:

2.206/1000 = 0.002206

5 0

3 years ago

Find the average rate of change<br> f(x)=x^2−6x+8 when x2=1 and x1=3

sergeinik [125]

Answer:

Average rate of change for given function is: -2

Step-by-step explanation:

Given function is:

$f(x)=x^2-6x+8\\x_12= 1\\x_1 = 3$

In order to find the rate of change, we have to find the value of function on x1 and x2

So,

$f(x_1) = (3)^2-6(3)+8 = 9-18+8 = -1\\f(x_2) = (1)^2-6(1)+8 = 1-6+8 = 3$

The formula for finding the rate of change is:

$Rate\ of\ change = \frac{f(x_2)-f(x_1)}{x_2-x_1}$

Putting the values, we get

$=\frac{3-(-1)}{1-3}\\=\frac{3+1}{-2}\\=\frac{4}{-2}\\= -2$

Hence,

Average rate of change for given function is: -2

3 0

3 years ago

Read 2 more answers

Which best explains why these figures are similar or not similar?

Komok [63]

Answer:

the answer was d

Step-by-step explanation:

3 0

3 years ago