3x-150=1778. Help me please I need help bad

Answers

Answer 1

Answer: the answer i think is x=1928 over 3

Answer 2

Answer: 3x -150 = 1778
3x =1778 +150
3x = 1928
x =1928/3
x= 642 .6666666666667

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Which set of sides will make a triangle?10cm, 5cm, 9cm
10cm, 3cm, 4cm
1cm, 3cm, 1cm
5cm, 2cm, 3cm

Answers

Answer:

10cm 5cm and 9cm

Step-by-step explanation:

just try this

take any two measurements and add them together if they are larger than the 3rd measurement it will work and all you have to do is do that to each measurement

10+5 is greater than 9

9+5 is greater than 10

9+10 is greater than 5

Find the equation of the line through the given point and perpendicular to the given line(0,0);-2x+4y=12

Answers

-2x+4y=12 <=> y = (-1/2)x + 3 => the slope of given line is -1/2;

the new line and the given line are perpendicular =>( the slope of new line )*(-1/2) = -1 =>

the slope of new line is 2;

the equation of the new line is y -0 =2( x -0) <=> y = 2x.

-2x+0 is perpendicular to -2x+4y=12, and go through (0,0).
So the answer is -2x+0

Cot^2x-tan^2x=1 for all values of x true or false?

Answers

Cot² x - tan² x = 1 is not true for all the values of x, where x is a trigonometric angle.

What is a trigonometric angle?

Trigonometric angles are the ratios of trigonometric functions.

If we consider a right-angle triangle with an angle between base and hypotenuse is Ф then:

tan Ф = (height/base), and

cot Ф = 1/tan Ф = base/height

Given, Cot² x - tan² x = 1

This is not true for all the values of x. Here, x is a trigonometric angle.

If we take x = 45°, then: Cot² x - tan² x = (1)² - (1)² = 0.

Hence, the statement is not true for all the values of x.

Learn more about trigonometric angles here: brainly.com/question/14235900

#SPJ2

False
And I have to keep writing because Brainly will not me submit more than 20 characters

Use the Special Right Triangle to evaluate sin 60°, cos 60° and tan 60°. Your answers should be exact (not a decimal).A. sin 60 = 1/2, cos 60 = √3/2, tan 60 = √3/3
B. sin 60 = √2/2, cos 60 = √2/2, tan 60 = 1
C. sin 60 = 1, cos 60 = 0, tan 60 = undefined
D. sin 60 = √3/2, cos 60 = 1/2, tan 60 = √3

Answers

sin(60) = ¹/₂√3
cos(60) = ¹/₂
tan(60) = √3

The answer is D.

Answer:

The answer is D.

Step-by-step explanation:

If BC = 4 and CD = 27, find AC.

Answers

$\Delta ABC\sim\Delta DAC\n\nthen\n\n(|AC|)/(|BC|)=(|CD|)/(|AC|)\n\n|AC|^2=|BC|\cdot|CD|\n\n|AC|^2=4\cdot27\n\n|AC|=√(4\cdot27)\n\n|AC|=\sqrt4\cdot√(27)\n\n|AC|=2\cdot√(9\cdot3)\n\n|AC|=2\sqrt9\cdot\sqrt3\n\n|AC|=2\cdot3\sqrt3\n\n|AC|=6\sqrt3$

31 is the answer I think..

John paid $32.16 for groceries this included the 7% sales tax what was the cost of groceries before the sales tax

Answers

The answer is $30.06.

John added 7% of tax to the price before tax which is 100%. So, the price John paid is 107%. If $32.16 is 107%, how many $ is 100% (the price before tax):
$32.16 : 107% = x : 100%

After crossing the products:
x · 107% = $32.16 · 100%
⇒ x = $32.16 · 100% ÷ 107% = $30.06

Therefore, the cost of groceries before the sales tax is $30.06.

Answer The answer would be $30.06

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