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Debora [2.8K]
3 years ago
8

What is the first four terms in the multiplication or ,geometric , pattern in which the first term is 2 and then each term is mu

ltiplied by 7
Mathematics
1 answer:
sesenic [268]3 years ago
6 0

Answer:

the sequence is 2, 14, 98, 686.

Step-by-step explanation:

As we know in any geometric sequence the terms are denoted by

T_{n}=a(r)^{n-1}

We have to find the first four terms of geometric sequence which has first term a = 2 and common ratio of the terms r = 7

number of terms = 4

The sequence from the formula will be

2, 2.7, 2.(7)^{2},2.(7)^{3}

or the sequence is 2, 14, 98, 686.

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Find the distance between points P(8, 2) and Q(3, 8) to the nearest tenth.
riadik2000 [5.3K]
<span>First of all to calculate the distance between two points we can use distance formula
   
d=Square Root [(x2-x1)^2 + (y2-y1)^2]
   
Now substitute the given points p(x1,y1) and q(x2,y2)in above distance formula
   
The values are X2=3, X1=8and Y2=8and Y1=2.
   
After Substituting the values
   
d=Square Root[(-5)^2+(6)^2]
   
d=Square Root(25+36]
   
d=Square Root[61]
   
d=7.8
   
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7 0
3 years ago
Rewrite in a simplest exponential form. Please show work.
Mama L [17]

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4 0
3 years ago
How many gallons of pure alcohol should be added to 40 gallons of a 20% solution so
Rudik [331]

Answer:

8/3

Step-by-step explanation:

i put equations as this:

x+40 = y

where x is galllons of pure mixture and y is the gallons of the new mixture

the other equation i id was:

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x+8 = 0.25y

y = 4x+32

solve using substitution

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-3x = -8

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3 years ago
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