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ohaa [14]
2 years ago
13

How can using a mirror help you solve this problem? (girl in photo is NOT me.)

Mathematics
1 answer:
Airida [17]2 years ago
6 0

There are four different ways to fold the square in half, however there are no different ways to fold the letter G.

A square has four symmetry lines.

Each symmetry line splits the square in half.

This indicates that the square can be folded into one half along any of its lines of symmetry.

As a result, there are four different methods to fold the square in half.

There is no symmetry line in the letter G.

This indicates the letter can't be folded such that the two parts are exactly aligned.

As a result, there are no methods to fold the letter G.

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The sum of 10 and Hector's age is 69 . Use the variable H to represent Hector's age.
mamaluj [8]

Answer:

59? Is it H = 59?

6 0
3 years ago
What is the value of a in the equation 5a – 10b = 45, when b = 3?
lara31 [8.8K]
Here you go. Do you think that you could help me with my question

5a – 10b = 45 
5a – 10(3) = 45 
5a – 30 = 45 
+30 +30 
5a = 75/5 
<span>a = 15</span>
8 0
3 years ago
Read 2 more answers
Jolene is making a line graph showing that the cost of grain is proportional to the number of pounds purchased. Jolene will plot
Gelneren [198K]

Answer:

a. (1,0.25)

b. y = 0.25x

Step-by-step explanation:

Given

The data in the table

Solving (a): The coordinate that represents the unit rate

The unit rate is when its 1 pound

This is so because the unit rate is dollars per pounds.

<em>Hence, the coordinate is </em>(1,0.25)<em></em>

Solving (b): Equation of the graph

First, we calculate the slope (m)

m = \frac{y_2 - y_1}{x_2 - x_1}

Where:

(x_1,y_1) = (1,0.25)

(x_2,y_2) = (4,1.00)

m = \frac{y_2 - y_1}{x_2 - x_1}

m = \frac{1.00 - 0.25}{4 - 1}

m = \frac{0.75}{3}

m = 0.25

The equation is then calculated as thus:

y - y_1 = m(x - x_1)

This gives:

y - 0.25 = 0.25(x - 1)

y - 0.25 = 0.25x - 0.25

Make y the subject

y = 0.25x

<em>Hence, the equation of the graph is: </em>y = 0.25x<em></em>

6 0
3 years ago
Factor each of the following. Remember: It is the reverse of the distributive property and your first step is to find the greate
vaieri [72.5K]
To factor using the reverse of the distributive property, find what common factor the numbers have and what common factor the variables have.

10.

-8x - 16

8 is a factor of both -8 and 16.
The first term has x, but the second term does not, so there is no common variable. The only common factor is 8, or -8.

Factor out a -8:

-8x - 16 = -8(x + 2)

To see if the factorization is correct, multiply the answer using the distributive property. If you get the original expression, then the factorization is correct.

11.

w^2 - 4w

The first term only has a factor of 1. The second term has a 4. There is no common factor between 1 and 4 except for 1, so there is no number you can factor out. The first term has w^2. The second term has w. Both terms have a common factor of w. We can factor out w from both terms.

w^2 - 4w = w(w - 4)

12.

4s + 10rs

4 and 10 have a common factor of 2.
s and rs have a common factor of s.
2 times s is 2s, so the common factor is 2s.
We now factor out 2s

4s + 10rs = 2s(2 + 5r)
5 0
3 years ago
Math homework please help new subject dont know it. (trolls = report)
Natasha2012 [34]
Find area on triangle:
A=(1/2)bh
A=(1/2)(8 units)(6 units)
A=(1/2)(48 units^2)
A=24 units^2
Just do the same for the rest of this page following the equation for the area of a triangle A=(1/2)(base)(height)

Find the error:
A=(1/2)bh
100m^2=(1/2)b(20m)
100m^2=(10m)b
10m=b
He forgot to multiply bh by 1/2

Area of parallelogram:
A=bh
A=(3 units)(3 units)
A= 9 units^2
The red line is the height and the bottom of the parallelogram is the base, just count the squares. Imagine cutting the parallelogram at the red line and moving that triangle piece to the other side, it’ll make a rectangle, that’s why the equation is the same.
6 0
3 years ago
Read 2 more answers
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