<span>In a triangle the sum of two sides is always greater than the third side.
</span><span>A:12,9,21
</span><span>12+9 = 21
21 = 21 </span>⇒ no
<span>B:7,6,12
</span>7+6 = 13
13 > 12 ⇒ yes
<span>C:3,8,14
</span>3+8 = 11
11 < 14 ⇒ no
<span>D:23,13,37
</span>23+13= 36
36 < 37 ⇒ no
Answer: <span>B:7,6,12</span>
Answer:
3a -2
Step-by-step explanation:
2-(-3a+4)
Distribute the minus sign to each term inside the parentheses
2 - -3a -4
2 + 3a -4
Combine like terms
2-4 +3a
-2 +3a
We usually put the variables first
3a -2
Answer:
flour per cup of sugar=2 1/2 cups of flour
sugar per cup of flour=2/5 cups of sugar
Step-by-step explanation:
Answer:
1. Translation 3 units to the right;
2. Reflection across the x-axis;
3. Translation 4 units up.
Step-by-step explanation:
First, rewrite the function 
in following way:
Apply such transformations:
1. Translate the graph of the parent function 
3 units to the right to get the graph of the function 
2. Reflect the graph of the function 
across the x-axis to get the graph of the function 
3. Translate the graph of the function 
4 units up to get the graph of the function 
Answer:
0.87
Step-by-step explanation:
Out of a total number of 100 questions, Daniel is said to have answered 87.
We first express this as a fraction.
Total number of questions he answered divided by total number of quiz questions
= 87/100
As a decimal, 87 divided by 100 = 0.87.
You can easily get this by using the calculator.
Thank you!
