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zepelin [54]
2 years ago
12

I need help with this trigonometry problem.

Mathematics
1 answer:
irina1246 [14]2 years ago
4 0
The sum of all 3 angles in a triangle is 180
180-44=136
And you know that angle A is over 90 degrees so I believe it is 100 leaving angle b to be 36
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Which linear function represents the line given by the point-slope equation y + 7= -2/3 (x+6)
kumpel [21]

y + 7 = -   \frac{2}{3}(x + 6) \\

y + 7 =  -  \frac{2}{3}x - 4 \\

Subtract sides -7

y =  -  \frac{2}{3}x - 4 - 7 \\

Thus ;

y  = f(x)=  -  \frac{2}{3}x - 11 \\

So the correct answer is (( A )) .

5 0
3 years ago
A circle is translated according to the rule (x,y) → (x+10,-17). Which statement is true about the image of the circle after thi
iren2701 [21]

Answer:

Statement D. is true

Step-by-step explanation:

7 0
3 years ago
a rectangular parking lot has length that is greater than the width the area of the parking lot is 160 square yards find the len
MissTica
Let 'w' represent the width of the parking lot, then 'w+6' represents its length



area = width * length



160 = w * (w+6)

solving for 'w' we have a positive value of w=10



10+6=16



the width of the parking lot is 10 yards, the length of the parking lot is 16 yards
3 0
3 years ago
Use completing the square to solve for x in the equation (x minus 12) (x + 4) = 9. x = –1 or 15 x = 1 or 7 x = 4 plus-or-minus S
Scrat [10]

Answer:

x = 4 ± \sqrt{73}

Step-by-step explanation:

Given

(x - 12)(x + 4) = 9 ← expand the left side using FOIL

x² - 8x - 48 = 9 ( ad 48 to both sides )

x² - 8x = 57

To complete the square

add ( half the coefficient of the x- term )² to both sides

x² + 2(- 4)x + 16 = 57 + 16

(x - 4)² = 73 ( take the square root of both sides )

x - 4 = ± \sqrt{73} ( add 4 to both sides )

x = 4 ± \sqrt{73}

4 0
3 years ago
Read 2 more answers
Gray is building braces for a shelf. He will attach each brace to the front edge of the 6-inch shelf and 3- inches down the wall
Llana [10]
2 inches in between each, start off on the edge go in 3 inches secound brace, than finsh on the final edge
3 0
2 years ago
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