Please help me with this question and include the explanation and working so i can understand :)

Mathematics

1 answer:

Anastaziya [24]3 years ago

4 0

A. The area of SHN=base*h/2= SN*HT/2=21*10/2=21*5=105 cm^2
b. Shaded area=A SMN+A SNQ - A SHN= SN*QR/2+SN*QR/2- 105 cm^2
=21*24/2+21*24/2-105 cm^2=
=504-105 cm^2=399 cm^2

You might be interested in

Morgan has a loyalty card good for a discount at her local grocery store. The item she wants to buy is priced at $43, before dis

rewona [7]

Answer:

20%

43*0.8=34.4

Hope This Helps!!!

6 0

2 years ago

A growth-mindset researcher plans to take an SRS of 200 teenagers from the population of teenagers in North America to see what

Sonbull [250]

Answer:

The mean of the sampling distribution of p is 0.75 and the standard deviation is 0.0306.

Step-by-step explanation:

Central Limit Theorem:

For a proportion p in a sample of size n, the sampling distribution of the sample proportion will be approximately normal with mean $\mu = p$ and standard deviation $s = \sqrt{\frac{p(1-p)}{n}}$