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Ede4ka [16]
3 years ago
14

Write each phrase as a variable expression: 9 subtracted from x

Mathematics
2 answers:
Schach [20]3 years ago
7 0

Answer:

9-x

Step-by-step explanation:

Kitty [74]3 years ago
4 0

Answer:9

Step-by-step explanation:

9

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HEEEEEEELLLPPPPPPPPP!!!!! PLEASEEEEEEEE
Klio2033 [76]

Answer:

a) a_n=2(a_{n-1}), where a_1=5.

b)  a_n=5(2)^{n-1}

Step-by-step explanation:

The given sequence is


5,10,20,40....


The first term of the sequence is

a_1=5


The second term is a_2=10


The common ratio for this sequence can be determined using any two consecutive terms in the sequence.

Using the first two terms, the common ratio is

r=\frac{a_2}{a_1}


\Rightarrow r=\frac{10}{5}=2


a) The recursive rule is given by,


a_n=r(a_{n-1})


a_n=2(a_{n-1}), where a_1=5.


b) The explicit rule is given by a_n=a_1r^{n-1}


\Rightarrow a_n=5(2)^{n-1}





3 0
2 years ago
B is between A and C, AB = 13.7 and BC = 8.3. Find AC. AC = 17 AC = 22 AC = 20 AC = 19
Rom4ik [11]
13.7 + 8.7 = 22
ac = 22
3 0
3 years ago
Read 2 more answers
7. Name three non-collinear points?<br> JNL<br> JKL<br> оооо<br> KNR<br> LKJ
KIM [24]

Answer:

JNL,JKL,KNR are three non-collinear points

5 0
3 years ago
(x-1)+(2x+3)
mash [69]
1)  =<span><span>3x</span>+<span>2
2)  </span></span>=<span><span>−x</span>−<span>3
3)  </span></span>=<span><span>7x</span>+<span>45
4)  </span></span>=<span><span>14x</span>−<span>1

Should I show work also?</span></span>
8 0
2 years ago
If a pier is 200 meters long and each board is 80 centimeters wide, how many boards are in the pier?
Luba_88 [7]
<span>250. 100 CM in 1 Meter. That leaves you with with .8 meters a board, 200/ .8 leaves you with 250</span>
6 0
3 years ago
Read 2 more answers
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