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andrezito [222]
3 years ago
15

I also need help with these two

Mathematics
1 answer:
lorasvet [3.4K]3 years ago
4 0

Answer: #13 you need to know that the sides are equal. #14 (7,6)

Step-by-step explanation: #14 in picture

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F(x) = 3x3 - 5x2 +6x -12
arlik [135]

Answer:

1.79438504

Step-by-step explanation:

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A) Complete the table of values for y = x2 + 1<br><br> Look at the graph, No Links
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What is the output of the function f(x) = x + 21 if the input is 4?
vredina [299]

Answer:f(x) = x + 21

f(4) = 4 + 21

     = 25

Step-by-step explanation:

6 0
3 years ago
An arrangement of bowling pins has 3 pins in the first row and 12 rows in all. In each successive row one pin is added.
Citrus2011 [14]

Answer:

The explicit rule for this situation is

a_n = 2 + n

In row 12 there will be 14 pins

Step-by-step explanation:

We have an initial amount of 3 pins in the first row. Let's call the number of pins in row n.

where n is an integer and 3\leq n\leq 12.

So

a_1 = 3

In row n + 1 there will always be a pin more than in the previous row n, then:

a_2 = a_1 +1

Then:

a_n = a_1 + (n-1)\\\\a_n = 3 + (n -1)\\\\a_n = 2 + n

<em>Finally in row 12 there will be: </em>

a_ {12} = 2 +12\\\\a_ {12} = 14\ pins

7 0
4 years ago
Stacy has a box of 20 gummy bears. There are 8 green gummy bears. What is the probability that she will choose a green gummy bea
navik [9.2K]

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the probability is 2/5

Step-by-step explanation:

just put 8 over 20 and simplify it

8 0
3 years ago
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