See the attached picture.
The negative sign in front of the 2 makes the graph an upside down U shape.
Find least common multiple of 12, 2, and 4.
1 answer:
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Answer:
x + y = 84
Step-by-step explanation:
Given
x : y : z = 5 : 1 : 3, then
= 5 ( multiply both sides by y )
x = 5y ←
and =
( cross- multiply )
3y = z
Substitute z = 3y into z - y = 28
3y - y = 28
2y = 28 ( divide both sides by 2 )
y = 14 ← ←
Substitute y = 14 into x = 5y
x = 5 × 14 = 70 ← ←
Substitute y = 14 into z - y = 28
z - 14 = 28 ( add 14 to both sides )
z = 42 ← ←
Thus x = 70, y = 14 and z = 42
Hence x + y = 70 + 14 = 84
Answer:
a= or ≈ -3.66
Step-by-step explanation:
-(3a+4)=7
-3a-4=7
<em>Add 4 to both sides</em>
-3a=11
<em>Multiply both sides by -1</em>
3a= -11
Divide both sides by 3
a=
Answer:
The equation of straight line is 3 x-y-5=0
Step-by-step explanation:
The equation of straight line having slope m = 3 and passing through the point (2,1) is
the standard form of straight line is
now substitute m = 3 and point (2,1) is
The equation of straight line is 3 x-y-5=0