What’s the answer to this

The answer is A

Step-by-step explanation: y=-4x+3

A

Step-by-step explanation:

As you can see on the y side, it goes down by 4. On the x side, it goes up by 1. So, that means that the slope is -4/1, or -4. To find the y intercept, you do y-y1=m(x-x1). This is point slope form. Basically, you replace x1 for any value of x, and y1 for any value of y, but they have to be the same coordinate point. So you can use 0 and 3, or 1 and -1, but you cant use 0 and -1. Put it simply, the equation becomes y-(-1)=-4(x-1). When we simplify, it becomes y+1=-4x+4. When we simplify even further, it becomes y=-4x+3, which is the same exact answer as A

9) i can't see the angle so whatever it is just do this: cos(angle) x hypotenuse and then use that answer and they hypotenuse and plug it into this: (answer you just got)^2 + b^2 = (hypotenuse)^2. the first answer will be the answer of the adjacent side and the second answer after this equation will be the opposite side.

10) y = 14 x = √147 or 12.12435565

11) x = 4.8

12) x = 4.2

13) x = 9.3

14) pq: 13.2

qr : 17.6

angle p: 53º

15) angle c: 54.3º

angle a: 35.7º

16) h = 21040

v = 1841

step-by-step explanation:

10) 7/sin(30) = 14 = y

7^2 + b^2 = 14^2

49 + b^2 = 196

b^2 = 196 - 49

√b^2 = √147

x = √147

11) cos(70) x 14 = 4.788282007

x = 4.8

12) tan(25) x 9 = 4.196768923

x = 4.2

13) sin(31) x 18 = 9.270685348

x = 9.3

14) pq: sin(37) x 22 = 13.23993051

pq: 13.2

qr: cos(37) x 22 = 17.56998122

qr : 17.6

angle p: 180 - (37 + 90) = 53º

15) cos-1(7/12) = 54.31466529

angle c: 54.3º

angle a: 180 - (90 + 54.31466529) = 35.68533471

angle a: 35.7º

16) 4 x 5280 = 21120

cos(5) x 21120

h = 21039.63202

h = 21040

sin(5) x 21120

v = 1840.729287

v = 1841

answer: it's d

step-by-step explanation: