Answer: 3.5 pi.
Step-by-step explanation: Since we know the circumference formula of a circle is 2*pi*radius, we just have to substitute 7 in there, and divide by 4. So here ya go, 3.5 pi.
Thank you for posting your math question here at brainly. Among the choices provided the equation can used to find how many hours Melania worked in both jobs is letter B which is "13c + 9.25(38 – c) = 434" I hope it helps.
Answer:
z = - 0.78
Step-by-step explanation:
Given:
1/3(6z+7.2)=0.5(8z+2)-0.4
Open parenthesis
2z + 2.4 = (4z + 1) - 0.4
2z + 2.4 = - 1.6z - 0.4
Collect like terms
2z + 1.6z = - 0.4 - 2.4
3.6z = -2.8
z = -2.8 / 3.6
= - 0.78
Answer:
28 square meters
Step-by-step explanation:
7 x 4= 28
28 square meters