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3 years ago

What is your estimate for the total number of hairs on your head?

Mathematics

2 answers:

netineya [11]3 years ago

6 0

Answer:

100,000

Step-by-step explanation:

Maurinko [17]3 years ago

5 0

Answer:

you cant really know how many because at a young age you grow hair and your your getting old you lose hair so you cant really know who much hair is on your head

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Explain how 2 plus 2 Equals 4

aivan3 [116]

You have 2+2 in each 2 there are 1's so

2=(1+1) 2=(1+1) =4
4=1+1+1+1
2+2=4
think of 2's as 1's when adding did you know 2x2= 4 as well.

3 0

3 years ago

Read 2 more answers

Help i will give brainlist

Arisa [49]

Answer:

3. 2/10 4/20 3/15

4. 12/1 48/4 36/3

Step-by-step explanation:

3 0

3 years ago

Alex wants to fence in an area for a dog park. He has plotted three sides of the fenced area at the points E (1, 5), F (3, 5), a

hram777 [196]

Answer:

$(1,1)$

Step-by-step explanation:

Given: E, F, G, H denote the three coordinates of the area fenced

To find: coordinates of point H

Solution:

According to distance formula,

length of side joining points $(x_1,y_1)\,,\,(x_2,y_2)$ is equal to $\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

So,

$EF=\sqrt{(3-1)^2+(5-5)^2}=2\,\,units\\FG=\sqrt{(6-3)^2+(1-5)^2}=\sqrt{9+16}=5\,\,units\\GH=\sqrt{(x-6)^2+(y-1)^2}\\EH=\sqrt{(x-1)^2+(y-5)^2}$

Perimeter of a figure is the length of its outline.

$EF+FG+GH+EH=16\\2+5+\sqrt{(x-6)^2+(y-1)^2}+\sqrt{(x-1)^2+(y-5)^2}=16\\\sqrt{(x-6)^2+(y-1)^2}+\sqrt{(x-1)^2+(y-5)^2}=16-2-5\\\sqrt{(x-6)^2+(y-1)^2}+\sqrt{(x-1)^2+(y-5)^2}=9$

Put $(x,y)=(1,1)$

$\sqrt{(1-6)^2+(1-1)^2}+\sqrt{(1-1)^2+(1-5)^2}=9\\\sqrt{25}+\sqrt{16}=9\\5+4=9\\9=9$

This is true.

So, the point $(1,1)$ satisfies the equation $\sqrt{(x-6)^2+(y-1)^2}+\sqrt{(x-1)^2+(y-5)^2}=9$

So, point H is $(1,1)$ .

7 0

3 years ago

A bank account earns interest at a rate of 3.5% per year ( in other words it increases in value by that percent) and starts with

LenKa [72]

Annually cumulating interest can be determined by the following formula:

$W = P(1+r)^{y}$

r represents the interest rate as a decimal, and P represents the starting amount of money.

8 0

3 years ago

What's y=-4+15 in standard form

kotykmax [81]

Answer:

y=1.1×10¹

Step-by-step explanation:

y=-4+15

y=11

y=1.1×10¹

5 0

3 years ago