Answer: $2.87
Step-by-step explanation:
0.41 per pack
0.41 x 7 = 2.87
-6x + 3y = 18.9
to find the x int, sub in 0 for y and solve for x
-6x + 3(0) = 18.9
-6x = 18.9
x = 18.9 / -6
x = -3.15.....so ur x int is (-3.15,0)
to find the y int, sub in 0 for x and solve for y
-6(0) + 3y = 18.9
3y = 18.9
y = 18.9/3
y = 6.3....so ur y int is (0,6.3)
We know that
If the scalar product of two vectors<span> is zero, both vectors are </span><span>orthogonal
</span><span>A. (-2,5)
</span>(-2,5)*(1,5)-------> -2*1+5*5=23-----------> <span>are not orthogonal
</span><span>B. (10,-2)
</span>(10,-2)*(1,5)-------> 10*1-2*5=0-----------> are orthogonal
<span>C. (-1,-5)
</span>(-1,-5)*(1,5)-------> -1*1-5*5=-26-----------> are not orthogonal
<span>D. (-5,1)
</span>(-5,1)*(1,5)-------> -5*1+1*5=0-----------> are orthogonal
the answer is
B. (10,-2) and D. (-5,1) are orthogonal to (1,5)
Hewo
Answer:
16
Explanation:
4*4 is 16
First we need to find the slope of the line.
slope = y1-y2/x1-x2 = 4-1/3-(-3) = 3/6 = 1/2
So, the slope is 1/2
Now, we need to find the y-intercept by using the equation y=mx+b
y=mx+b
4=1/2(3)+b
4=3/2+b
-3/2 -3/2
5/2=b
So, the equation is y=1x/2+5/2 which is also C. y-3=1/2(x+1)
HPE THIS HELPS!!!
