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Nana76 [90]
3 years ago
5

Anyone willing to help me with trigonometry math please

Mathematics
1 answer:
Free_Kalibri [48]3 years ago
3 0

Answer:

I can!

Step-by-step explanation:

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2x(5+3x)-x find the coefficient of x
s344n2d4d5 [400]

To start, we need to distribute

multiply 2x by <em>everything</em> in the parenthesis

2x (5 + 3x) - x

2x × 5 = 10x

2x × 3x = 6x²

now we have...

10x + 6x² - x

<em>simplify </em>

<u>6x² + 9x </u>

the coefficient of x is 9!

4 0
3 years ago
Can anyone answer this for me?
kramer

Answer:

\frac{3}{2} π (or 270°)

Step-by-step explanation:

I use the trick with the coordinates.

(0, -1)

cos270° = 0 (the x-coordinate)

sin270° = -1 (the y-coordinate)

This trick works depending on the radius.

7 0
3 years ago
Principal Lopez asked her 500 students to vote on the school's annual gift. 300 students voted to donate a telescope for the sci
Maksim231197 [3]

Using the percentage concept, it is found that 60% of the students voted to donate a telescope.

<h3>What is a percentage?</h3>

The percentage of an amount a over a total amount b is given by a multiplied by 100% and divided by b, that is:

P = \frac{a}{b} \times 100\%

In this problem:

  • The total amount is the number of students, which is of b = 500.
  • 300 voted to donate, hence a = 300.

The <em>percentage </em>is given by:

P = \frac{300}{500} \times 100\% = 60\%

60% of the students voted to donate a telescope.

More can be learned about the percentage concept at brainly.com/question/10491646

5 0
1 year ago
One lap around a parking lot is 3/10 mile.this represents 15% of the total distance Gregory ran.what is the total distance in mi
sattari [20]
Given:

One lap around a parking lot = 3/10 mile
3/10 mile is 15% of the total distance Gregory ran.

To determine the total distance (in mile) that Gregory ran, we refer to the given percentage:

3/10 mile / 0.15 = 2 miles

The total distance that Gregory ran is 2 miles. <span />
4 0
2 years ago
A student is using the completing the square method to transform the equation x2-10x+ 36 = 0 to the form (x-h) 2+k = 0. which st
andreev551 [17]
Obviously the Correct Step would give him the correct answer lol !

But, here he goes !!

( {x}^{2}  - 10x + 36)

= ( {x}^{2}  - 2(x)(5) +  {(5)}^{2} ) + 11

= (x - 5)^{2}  + 11

✓ So, h = 5 ; k = 11 would make him correct
4 0
3 years ago
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