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Nady [450]
3 years ago
14

Use algebra tiles to find the difference. Let one yellow tile equal +1 and one red tile equal –1.

Mathematics
2 answers:
Iteru [2.4K]3 years ago
7 0

D. Just use a calculator 9-10=-1

jekas [21]3 years ago
7 0

it's d or 9 - 10 is 1 . its simple math

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What is the value of x in the figure? Enter your answer in the box.<br> 145°<br> (2x + 15)°<br> x=
Nikolay [14]

Answer:

Answer: x=65

Step-by-step explanation:

Since they're vertical angles both sides are equal to 145 degrees

So, 145-15= 130 to get rid of the constant

Then, 130/2=65

To check you work add up all of your solutions to get 145

2*65=130 & 130+15=145

Therefore, x=65

8 0
2 years ago
Read 2 more answers
A) Write the sequence of natural numbers which are multiplied by 3 ?
Volgvan

Answer:

a) 3, 6, 9, 12, 15,...,3\cdot n, b) 4, 7, 10, 13, 16,...,3\cdot n +1, c) Both sequences are arithmetic.

Step-by-step explanation:

a) The sequence of natural numbers which are multiplied by 3 are represented by the function f(n) = 3\cdot n, n\in \mathbb{N}. Let see the first five elements of the sequence: 3, 6, 9, 12, 15,...

b) The sequence of natural numbers which are multiplied by 3 and added to 1 is represented by the function f(n) = 3\cdot n + 1, n\in \mathbb{N}. Let see the first five elements of the sequence: 4, 7, 10, 13, 16,...

c) Both sequences since differences between consecutive elements is constant. Let prove this statement:

(i) f(n) = 3\cdot n

\Delta f = f(n+1) -f(n)

\Delta f = 3\cdot (n+1) -3\cdot n

\Delta f = 3

(ii) f(n) = 3\cdot n +1

\Delta f = f(n+1)-f(n)

\Delta f = [3\cdot (n+1)+1]-(3\cdot n+1)

\Delta f = 3

Both sequences are arithmetic.

8 0
2 years ago
Help i do not know this answer it is inportant
boyakko [2]
The 1st one :)
Jonah should shade 6 parts of 10
3 0
3 years ago
Read 2 more answers
The area of a rectangle is 192 square centimeters. the length of the rectangle is 16 centimeters. what is the width, in centimet
Valentin [98]
A = L * W
W = A / L
W = 192 / 16
W = 12
7 0
3 years ago
(67)
katrin2010 [14]

Answer:

4%  I believe

Step-by-step explanation:

7 0
2 years ago
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