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yulyashka [42]
3 years ago
12

Solve the equation for x. x-17=-5​

Mathematics
2 answers:
soldier1979 [14.2K]3 years ago
6 0

Answer: 12

Explanation:

add 17 to both sides

x = -5 + 17 = 12

inn [45]3 years ago
5 0

Answer:

x = 12

Step-by-step explanation:

x - 17 = -5

x = -5 + 17

x = 12

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A sequence has an initial value (I) of -17 and its fourth term (a4) is 35. What is its general equation? Its 14th term?
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Answer:

  1. The sequence is an Arthemtic Progression

An=A1+(n-1)d

A1 is first term, An is nth term, n is number of term, and d is common difference

therefore

A4=35, A1= -17

A4=A1+(4-1)d

35= -17+3d

35+17=3d

52=3d

52/3=3d/3

14=d

common diffrence(d)=14

  • The general solution is given by

An= -17+(n-1)14

An= -17+14n-14

An= -31+14n

<u>An= 14n-31</u>

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From An=A1+(n-1)d

A14= -17+(14-1)14

= -17+(13×14)

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2. A sequence has a CR of 4/5 and its eighth term (a8) is (393216/3125). What is its general equation? Its 3rd term?

<u>solution</u>

common ratio(r)=4/5

eighth term(G8)=393216/3125

From Gn= G1r^(n-1)

G8 means n=8

G8=G1r^(n-1)

393216/3125=G1(4/5)^(8-1)

393216/3125=G1(4/5)^7

G1=(393216/3125)/(4/5)^7

G1=600

<u>The first term is given by G1=600</u>

  • Therefore

The General equation is given by

The General equation is given by Gn= 600(4/5)^(n-1)

3rd term (G3)

G3= G1(4/5)^(3-1) where n=3,

=600(4/5)^2

=600(16/25)

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Step-by-step explanation:

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Step-by-step explanation:

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What expression represents her age 7 years from now?

y =x+7x

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The graph that would allow the comparison between the median number of teeth for mammals and reptiles easily is a Box Plot.

<h3>Median</h3>

The median of a set of data is the midpoint of values in a data set. It shows the value that divides the data set into two halves.

<h3>Box plot</h3>
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Box plots are also known as box and whisker plot.

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