Answer:
d
Step-by-step explanation:
Answer:
Between 3 and 4
Step-by-step explanation:
Given √12
- 9 < 12 < 16
- √9 < √12 < √16
- 3 < √12 < 4
√12 is between 3 and 4
40 degrees, because ΔABC is isoceles, so angles B and C are equal.
The Length of third side of the triangle is 4x +5
What is the Triangle?
A triangle is a three-sided polygon that consists of three edges and three vertices. The most important property of a triangle is that the sum of the internal angles of a triangle is equal to 180 degrees. This property is called angle sum property of triangle.
How to determine the length of the third side of the Triangle?
The given parameters are:
Length of the first side = 3x+2
Length of the second side =7x-4
Perimeter of the triangle =14x+3
Now, The perimeter is the sum of the sides of lengths
So, we have
Perimeter = sum of the sides of lengths
According to the question:
14x+3 =3x+2 +7x -4 + third side
Evaluate the like terms
14x-10x = -2 -3
third side = 4x + 5
Hence, The length of the third side of the triangle is 4x+5
Learn more about of perimeter of the triangle
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45. These word problems often seem to be two equations in two unknowns, here <em>h</em> for hits and <em>m</em> for misses.
"After 30 tries" translates into
+5 for a hit, -10 for a miss, John lost 90 translates to
We have
Answer: 14
Check: 5(14)-10(16)=-90, good
46. We have to make the odd assumption the grocer sells for his cost, but let's not beat up the question too hard.
Again, two unknowns, <em>b</em> kilograms of Brazil nuts and <em>c</em> kilograms of cashews.
<em>... sold 12 kg of the mixture ...</em>
<em>... cashews $8/kg and Brazil nuts $10/kg and the results is $8.50/kg ...</em>
This one's a bit more involved to translate because we have to recognize the total price is the 8.50 per kg times 12 kg.
The solving is pretty much just like the last one; we eliminate the unknown we're not asked for.
Answer: 9
Check: (9(8)+10(3))/12=102/12 = 8.50 good
