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Dominik [7]
3 years ago
9

What’s 9+5x-5+3x equal to?

Mathematics
1 answer:
weeeeeb [17]2 years ago
4 0
Just combine like terms.
(5+3)x + (9-5)

8x + 4

You can factor it

4(2x + 1)
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Write an explicit formula for an,the Nth term of the sequence 4,12,36
Rudik [331]

Answer:

3^{n}+3^{n-1}

Step-by-step explanation:

Since the sequence is geometric (it multiplies the previous number each time). The nth term sequence would be x^n + yn

Because the sequence multiplies by 3 each time, The base number in that equation would be 3^n +yn.

So 3^n of the equation would be:
3, 9, 27.

Compare the 2 equations:
4, 12, 36

3, 9 ,27

The difference between the 2 equations is: 1, 3, 9 which itself is a geometric sequence so the nth term of this new equation is: 3^{n-1}.

Combine these 2 equations together and you get:

3^{n}+3^{n-1}.

6 0
2 years ago
A recent survey of 1090 U.S. adults selected at random showed that 623 consider the occupation of firefighter to have very great
REY [17]

Answer:

0.572

Step-by-step explanation:

From the question,

We have

n = 1090 of US adults

x = 623 selected from this population at random who consider the occupation to be one of great prestige

So we have that

The probability of X = x/n

= 623/1090

= 0.572

We conclude that 0.572 is the probability that a US adult selected at random thinks the occupation has great prestige.

7 0
3 years ago
11. Use multiplication to find an equivalent<br> fraction for 1/3
nikitadnepr [17]

Answer: 1/3*2*2=2/6

Step-by-step explanation:

Hope this helps

4 0
2 years ago
Read 2 more answers
Can anyone help? Will also give brainlist​
I am Lyosha [343]
Out of the 3 points, only ABC are collinear. Hence, only ABC can be chosen. The chances of choosing ABC out of ABCD is 1/4. Hence, the probability is 25%.
4 0
1 year ago
Help me plsssss. Exterior angles definitions
hoa [83]

Step-by-step explanation:

an angle that is complementary to one of the interior angles of the triangle because interior angle+exterior angle add up to 180°

6 0
2 years ago
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