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Lena [83]
3 years ago
13

Rodney models the factorization of a trinomial with algebra tiles as shown. An algebra tile configuration. 4 tiles are in the Fa

ctor 1 spot: 1 is labeled + x, 3 are labeled +. 4 tiles are in the Factor 2 spot: 1 is labeled + x and 4 are labeled negative. 14 tiles are in the Product spot: 1 is labeled + x squared and below it is a tile labeled negative x. To the right of negative x in 3 columns and 4 rows are 12 tiles labeled negative. Rodney forgot to place x-tiles in zero pairs in the model of the trinomial. How many zero pairs of x-tiles should he place in the model? 1 2 3 4
Mathematics
2 answers:
dangina [55]3 years ago
4 0

Answer:

3

Step-by-step explanation:

Nataly_w [17]3 years ago
4 0

Answer:

3

Step-by-step explanation:

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If f (x) = x² - 7, evaluate the following: f(12) f(-7)
Julli [10]

Answer: f(12) = 137, f(-7) = 42

Step-by-step explanation: In a function, what you want to do is plug in the value they give you for x. This means you substitute x with the value they are looking for.

In this case, they are looking at 12 and -7. Let's do 12 first.

The equation becomes (12^2) - 7. 12^2 is 144, and 144-7 is 137.

Now we do -7. The equation becomes (-7)^2 - 7. -7^2 is 49, and 49 - 7 is 42.

Hope this helped!

7 0
2 years ago
Which point is a solution to the inequality shown in this graph? (3,2) (-3,-6)
Angelina_Jolie [31]

Answer:

c

Step-by-step explanation:

8 0
3 years ago
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Alana has a rope that is 28.8 meters long. She needs to cut the entire length of the rope into eight equal pieces. How many mete
olga_2 [115]
Answer: 3.6 m

Explanation:

28.8 ÷ 8 = 3.6 m
8 0
3 years ago
A small business has 50 total employees, 15 of which are full-time. What percent of the employees are part-time?
12345 [234]

Answer:

70%

Step-by-step explanation:

50-15 =35

35/50 = 70/100

4 0
3 years ago
Kylie starts with $145 in her piggy bank. Each month she adds $20.
ella [17]
2. an=20+an−1 and a1=145

she starts with 145 so a1=145 and then adds 20 every month: an=20+an−1
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3 years ago
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