3 years ago

Of the 48 dogs enrolled in obedience

Mathematics

1 answer:

Serga [27]3 years ago

8 0

36/48=6/8=3/4 so 75% completed training

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Solve for [0,2pi): 3sin^2x-6sinx=0

Ainat [17]

Given the equation :

$3\sin ^2x-6\sin x=0$

Let: y = sin x

So,

$\sin ^2x=y^2$

the given equation will be:

$3y^2-6y=0$

Solve for y, take 3y as a common:

$\begin{gathered} 3y(y-2)=0 \\ 3y=0\rightarrow y=0 \\ y-2=0\rightarrow y=2 \end{gathered}$

so,

$\begin{gathered} y=0\rightarrow\sin x=0\rightarrow x=0or\pi \\ y=2\rightarrow\sin x=2 \end{gathered}$

Note: the range of sine function is [ -1, 1]

So, sin x = 2 ( is rejected)

So, the answer will be: x ={ 0 , pi }

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1 year ago

The Sugar Sweet Company will choose from two companies to transport its sugar to market. The first company charges $7500 to rent

Oduvanchick [21]

This seems to be an incomplete question. I think you want to know the amount of sugar at which both company will charge the same. Based on this idea, i am answering the question.
Let us assume the quantity of sugar = x
Then
For company A, charge = 7500 + 125.25x
For company B, charge = 5995 + 200.50x
Now
7500 + 125.25x = 5995 + 200.50x
7500 - 5995 = 200.50x - 125.25x
1505 = 75.25x
x = 20
From the above deduction it can be concluded that the quantity of sugar at which the prices of both the companies will be the same is 20 ton.

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3 years ago

X+3=6 How do i do this will mark brainlest

irinina [24]

X+3=6
Subtract 3 from both sides
3-3=0
6-3=3
X=3

4 0

3 years ago

Which of the following is a like radical to 3x sqrt 5

lara31 [8.8K]

Answer:

Step-by-step explanation:

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