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3 years ago

Which relationships have the same constant of proportionality between y and x as in the equation y=1/3x?

Mathematics

1 answer:

Marina CMI [18]3 years ago

4 0

Y and X is urgent answer

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5÷5/6= please answer my question

solong [7]

Just like that? Any question, inbox. :p

6 0

2 years ago

Hi, teacher I was absent these days and I didn’t understand anything about this lesson and I need help this is not count as a te

motikmotik

Given:

There are given that the cos function:

$cos210^{\circ}=-\frac{\sqrt{3}}{2}$

Explanation:

To find the value, first, we need to use the half-angle formula:

So,

From the half-angle formula:

$cos(\frac{\theta}{2})=\pm\sqrt{\frac{1+cos\theta}{2}}$

Then,

Since 105 degrees is the 2nd quadrant so cosine is negative

Then,

By the formula:

$\begin{gathered} cos(105^{\circ})=cos(\frac{210^{\circ}}{2}) \\ =-\sqrt{\frac{1+cos(210)}{2}} \end{gathered}$

Then,

Put the value of cos210 degrees into the above function:

So,

$\begin{gathered} cos(105^{\circ})=-\sqrt{\frac{1+cos(210)}{2}} \\ cos(105^{\operatorname{\circ}})=-\sqrt{\frac{1-\frac{\sqrt{3}}{2}}{2}} \\ cos(105^{\circ})=-\sqrt{\frac{2-\sqrt{3}}{4}} \\ cos(105^{\circ})=-\frac{\sqrt{2-\sqrt{3}}}{2} \end{gathered}$

Final answer:

Hence, the value of the cos(105) is shown below:

$cos(105^{\operatorname{\circ}})=-\frac{\sqrt{2-\sqrt{3}}}{2}$

4 0

10 months ago

A shopkeeper sold a table for Rs 2400, he loses 6% of its cost price.find the cost price of the table.

egoroff_w [7]

Answer:

Table price is Rs 2544

Step-by-step explanation:

Table sold = Rs 2400

Losses = 6%

Now find 6% of 2400

( 2400 × 6 ) ÷ 100 = 144

Add this answer to table price sold

2400+ 144 = 2544

Mark brainliest if you understand

3 0

2 years ago

Gordon types 1800 words in 25 minutes. word per minute

Gennadij [26K]

Answer:

Step-by-step explanation:

words per minutes= 1800÷25=72

4 0

3 years ago

Zane's parents keep a chart on the wall where they mark how much Zane grows each year. When Zane was 15, he grew 3/5 of an inch

timurjin [86]

Answer:

1 1/10 or 11/10

Step-by-step explanation:

Zane grew 3/5 of an inch during the first year and 1/2 an inch during the second. First, you have to make sure the denominators are the same number. Then, add the numerators. Simplify if needed.

4 0

2 years ago

Read 2 more answers