Answer:
(x, y) =(2,2)
Step-by-step explanation:
5x+3y=16 /*5
3x-5y=-4 /*3
25x+15y=80 (1)
9x-15y=-12 (2)
(1)+(2): 34x=68
9x-15y=-12
x=68/34
9x-15y=-12
x=2
9*2-15y=-12
x=2
18-15y=-12
x=2
-15y=-12-18
x=2
-15y=-30
x=2
y=-30/(-15)
x=2
y=2
(x,y)=(2,2)
To find the measure of the third angle you should keep in mind the following:
The sum of the three interior angles of a triangle is 180 °.
We have then
k + 27 + 10 = 180
Clearing k:
k = 180-27-10 = 143
K = 143 °
Answer:
the value of k is 143 °
<span><span>Example:<span> round 24,356 the greatest place value.
</span></span><span>Home
</span><span>><span> Rounding Numbersto the Greatest Place Value</span><span> < </span><span>you are here
</span></span><span>Example-2:<span> round 8,636 to the greatest place value.
Look to the right of the number in the thousands
place. It's a 6, so round up.
8,636 is rounded to 9,000 because the highest place
value of that number is in the thousands place.</span></span></span>
Answer:
g=4
Step-by-step explanation:
-6g + 36 = 12
-36 = -36
-6g = -24
------ -------
-6 -6
g=4
Answer:
x=4,y=3
Step-by-step explanation:
x=19-5y if we transpose equation 2 for x.
Plug that into equation 1
4(19-5y)+3y=25
76-20y+3y=25
76-25=17y
51=17y
y=3
Plug y=3 into equation 2
x+5(3)=19
x=19-15=4
