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RSB [31]
3 years ago
15

Write the​ point-slope form of the​ line's equation satisfying the given conditions. Then use the​ point-slope form of the equat

ion to write the​ slope-intercept form of the equation.
Slope​,=4 passing through ​(​7,​5)
What is the​ point-slope form of the equation of the​ line?
?
Mathematics
1 answer:
AnnyKZ [126]3 years ago
7 0

Answer:

Step-by-step explanation:

y - 5 = 4(x - 7)

y - 5 = 4x - 28

y = 4x - 23

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What is a consecutive number?
Kryger [21]

Answer:

Its is a number that is consecutive duh.

Step-by-step explanation:

3 0
3 years ago
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Laree is buying a car that costs 4,155. she has 1,575 and will borrow the rest from her parents. will payments of 225 per month
Natasha_Volkova [10]
The car cost $4,155 and she has $1,575 so $4,155-$1,575=$2,580as the balanced owed if she borrows the rest from her parents and has a one year to pay it off it will be paid off because her payments are $225 a month for one year  at 225x12=$2,700 its a little over but it will be paid off
5 0
3 years ago
A scooter (small motorcycle) is bought at a price of $9,000. It loses 14% of its value very year. Express this scenario as a seq
IrinaK [193]

The scenario as a sequence recursively and explicitly is

a_{1} = 9,000 ;  a_{n} = 0.86 • a_{n-1}

a_{n}=9,000(0.86)^{n-1}

Step-by-step explanation:

The recursive formula for the nth term of a geometric sequence is

a_{1} = first term ;  a_{n} = r • a_{n-1} , where

  • a_{1} is the first term in the sequence
  • r is the common ratio  between the consecutive terms

The explicit formula for the nth term of a geometric sequence is

a_{n}=a(r)^{n-1} , where

  • a is the first term
  • r is the common ratio between the consecutive terms

∵ A scooter (small motorcycle) is bought at a price of $9,000

∵ It loses 14% of its value very year

- That means the new price of it will be 100% - 14% of the

  previous year

∵ 100% - 14% = 86%

∵ 86% = 86 ÷ 100 = 0.86

∴ Each year the price will be 0.86 of the price of the previous year

∴ The common ratio r = 0.86

∵ The initial price of the scooter is $9,000

∴ a_{1} = 9,000

∵ r = 0.86

- Substitute them in the the recursive formula

∴ a_{1} = 9,000 ;  a_{n} = 0.86 • a_{n-1}

∵ a = 9,000

∵ r = 0.86

- Substitute them in the the explicit formula

∴ a_{n}=9,000(0.86)^{n-1}

The scenario as a sequence recursively and explicitly is

a_{1} = 9,000 ;  a_{n} = 0.86 • a_{n-1}

a_{n}=9,000(0.86)^{n-1}

Learn more:

You can learn more about the sequences in brainly.com/question/1522572

#LearnwithBrainly

5 0
3 years ago
Which explains why the graph is not a function? It is not a function because the points are not connected to each other. It is n
MrRa [10]
A function is a relationship between two sets of variables, the domain and the range, in which each value of the independent variable (the domain) is associated with exactly one value of the dependent variable (the range). Therefore, a graph is not of a function when there are two different values of y for a single value of x. 
5 0
3 years ago
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If <img src="https://tex.z-dn.net/?f=%20a%5E%7B2%7D%2Bbx%5E%7B2%7D%20%3D13%20" id="TexFormula1" title=" a^{2}+bx^{2} =13 " alt="
Mkey [24]

a^2-b^2=13;\ ab=6

a)\\(a+b)^2=a^2+2ab+b^2=(a^2+b^2)+2(ab)=13+2\cdot6=25\\\\b)\\(a-b)^2=a^2-2ab+b^2=(a^2+b^2)-2(ab)=13-2\cdot6=1

7 0
3 years ago
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