Answer:
i would go for B
Step-by-step explanation:
Answer:
a)
Step-by-step explanation:
Answer:
Step-by-step explanation:
Answer:
<h3>B. It has infinite solutions</h3>
Step-by-step explanation:
Given the system of equations:
2t + w = 10 ..... 1
4t = 20 − 2w ... 2
From 1:
w = 10-2t ...3
Substitute 3 into 2 to have;
4t = 20 - 2(10-2t)
4t = 20-20+4t
4t = 4t
Let t = k
Substitute t = k into 1 and get w;
From 1: 2t + w = 10
2k + w =10
w = 10 - 2k
<em>k can take any integers. This shows that the solution to the equation is infinite</em>
<em></em>
Answer:
Area for cross-section is 615.7521601cm
Step-by-step explanation:
area of a circle = πr²
π × radius²
In this question, the radius is 14, so you need to square it giving 196.
Then multiply by π = 615.7521601cm (round if necessary)