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3 years ago

How do you calculate 1/4 of 4 dozen?

Mathematics

1 answer:

ikadub [295]3 years ago

4 0

Answer:

your mother was an amazing person and she loved

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A family tree business removes overgrown trees for 3 months in the summer. In June, they removed 1/3 the number of trees as they

devlian [24]

Answer: 299

Step-by-step explanation:

Given

Family removes one-third of tress in June as much as they dd in July

They remove twice the number of July in august

Suppose they removed x trees in July

for June it is, $\frac{x}{3}$

for August, it is $2x$

If they removed less than 1000 tress in 3 months

$\Rightarrow \dfrac{x}{3}+x+2x$

So, maximum number of tress removed in July is 299

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3 years ago

5/6 of 15 i need help????????????

emmainna [20.7K]

Answer: 12.5 or 12 1/2

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

An object oscillates 4 feet from its minimum height to its maximum height. The object is back at the maximum height every 3 seco

bulgar [2K]

Answer:

$y=2\text{cos}((\frac{2\pi}{3})t)$

Step-by-step explanation:

We have been given that an object oscillates 4 feet from its minimum height to its maximum height. The object is back at the maximum height every 3 seconds. We are asked to find the cosine function that can be used to model the height of the object.

We know that standard form of cosine function is $y = A\cdot \text{cos}(Bt-C)+D$ , where,

|A| = Amplitude,

Period = $\frac{2\pi}{|B|}$ ,

C = Phase shift,

D = Vertical shift.

Since distance between maximum and minimum is 4, therefore, amplitude will be half of it, that is, $A = 2$ .

Since objects gets back to its maximum value in every 3 seconds, therefore, period of the function is 3 seconds. We know that period is given by $\frac{2\pi}{|B|}$ , therefore, we can write $\frac{2\pi}{|B|}=3$ , therefore, $B = \frac{2\pi}{3}$ .

We haven't been given any information about phase and mid-line, we can assume the values of C and D to be zero .

Therefore, our function required function would be $y=2\text{cos}((\frac{2\pi}{3})t)$ .

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4 years ago

Dana deposits $1000 into a savings account. Suppose she withdraws 1/10 of her balance each month. Write an exponential decay equ

AnnZ [28]

1000x-100m 1000x is the the staring amount and the m is the amount you take out a month

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4 years ago

I really really really really need help with this question

zhannawk [14.2K]

Answer:

When rotating any polygon 90 degrees, each vertice/point of the polygon should be changed from (x, y) to (y, -x). Because of this, E(-7, -4) should be E'(-4, 7), F(-2, -1) should be F'(-1, 2), and G(-5, -8) should be G'(-8, 5) after the rotation.

Step-by-step explanation:

Like I explained above, when rotating a shape 90 degrees <em>clockwise </em>on a plane, the points change from (x, y) to (y, -x). The student changed each point from (x, y) to (-y, x), which is a 90 degree <em>counterclockwise </em>rotation. That is why the student is incorrect.

I hoped this helped! Sorry, I am terrible at explaining things. :)

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2 years ago