Copper because that's what wires are made from and they help transport electricity
12/6 is 2
2 +2 is 4
The overall answer is 4
Answer:
16 years
Step-by-step explanation:
1.7% of 2000 is $34
$544 divided by $34 = 16 years, that is if the interest is yearly and not monthly though
Answer:
Direct & Inverse Proportion (H) - Version 2 January 2016 . A collection of 9-1 Maths GCSE Sample and Specimen questions from AQA, . 1. 2. Write an expression for y in terms of x. [4]. 2. A pebble is thrown vertically upwards. . (b) Find the initial speed of the pebble if the maximum height reached is 16 m. . T is given by.
Answer:
![A = 137.3cm^2](https://tex.z-dn.net/?f=A%20%3D%20137.3cm%5E2)
Step-by-step explanation:
Given
See attachment
Required
The area of the semicircle
First, we calculate the hypotenuse (h) of the triangle
Considering only the triangle, we have:
--- cosine formula
Make h the subject
![h = \frac{7}{\cos(68)}](https://tex.z-dn.net/?f=h%20%3D%20%5Cfrac%7B7%7D%7B%5Ccos%2868%29%7D)
![h = \frac{7}{0.3746}](https://tex.z-dn.net/?f=h%20%3D%20%5Cfrac%7B7%7D%7B0.3746%7D)
![h = 18.7](https://tex.z-dn.net/?f=h%20%3D%2018.7)
The area of the semicircle is then calculated as:
![A = \frac{\pi h^2}{8}](https://tex.z-dn.net/?f=A%20%3D%20%5Cfrac%7B%5Cpi%20h%5E2%7D%7B8%7D)
This gives:
![A = \frac{3.14 * 18.7^2}{8}](https://tex.z-dn.net/?f=A%20%3D%20%5Cfrac%7B3.14%20%2A%2018.7%5E2%7D%7B8%7D)
![A = \frac{1098.03}{8}](https://tex.z-dn.net/?f=A%20%3D%20%5Cfrac%7B1098.03%7D%7B8%7D)
![A = 137.3cm^2](https://tex.z-dn.net/?f=A%20%3D%20137.3cm%5E2)