Answer:
c
Step-by-step explanation:
thats it
Answer:
m+n=140
Step-by-step explanation:
So the angles in a triangle always add up to 180. We already know that the first angle in the triangle is 40 degrees because it's shown in the angle below the triangle. So we have 140 degrees left since 40 is taken up. That eans m+n=140
Answer:
The exponential equation is;
y = 0.1•0.5^x
Step-by-step explanation:
Here, we want to get the exponential function represented by the table
Mathematically, the general form of an exponential function is;
y = a•b^x
By getting a and b, we have the exponential function
We can use any of the points;
Let us start with (0,0.1)
0.1 = a•b^0
anything raised to zero is 1
0.1 = a * 1
a = 0.1
Now, we have a
Let us work with the second point to get b
The point is (1,0.05)
0.05 = 0.1•b^1
0.05 = 0.1b
b = 0.05/0.1
b = 0.5
Thus, we have the equation as;
y = 0.1•0.5^x
Answer:
x = 1 y = 3
Step-by-step explanation:
4x - 1 = -3x + 6 Substitute the first equation for y in the second equation
+3x + 3x Add 3x to both sides
7x - 1 = 6
+ 1 +1 Add 1 to both sides
7x = 7 Divide both sides by 7
x = 1
Now plug this into the first equation
y = 4(1) - 1 Multiply
y = 4 - 1 Subtract
y = 3
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