Multiply 3x +y =23 by -4
x+4y=4
-12x+(-4y)=-92
Add together
-11x = -88
x = 8
Plug x in to find y.
8 + 4y = 4
Subtract 8 from each sides
4y = -4
Divide by 4
y = -1
So the answer is x =8, y= -1
I hope that helps!
Answer:
10,340 ft
Step-by-step explanation:
the peak is 10,740 ft and since the climber is at the peak, that's their elevation.
he goes down 400 ft so its 10,470 - 400 which is 10,340
Answer:
The pattern is adding three to the previous number.
Explanation:
1+3 = 4
4+3 =7
7+3=10
10+3 = 13
Answer:
C
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
we know that
In a right triangle
The cosine of an angle x is equal to
cos(x)=\frac{adjacent\ side\ angle\ x}{hypotenuse}
The sine of an angle x is equal to
sine(x)=\frac{opposite\ side\ angle\ x}{hypotenuse}
The tangent of an angle x is equal to
tan(x)=\frac{opposite\ side\ angle\ x}{adjacent\ side\ angle\ x}
therefore
the answer is the option C