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maksim [4K]
3 years ago
9

3x + y = – 7 Solve to find were the two point intercept

Mathematics
1 answer:
Tju [1.3M]3 years ago
3 0

Answer:

<h3><u>Required Answer</u><u>:</u><u>-</u></h3>
  • First we need to convert it into y=mx+c form

{:}\longrightarrow\sf 3x+y=-7

{:}\longrightarrow\sf y=-7-3x

  • Now create table using this
<h3><u>Table</u><u>:</u><u>-</u></h3>

\boxed{\begin{array}{|c|c|c|c|} x & 1 & (-1) & 0 \\ y & -10 & (-4) & -7 \end{array}}

Hence the intercepts are

\therefore\sf A (1,-10),B(-1,-4),C(0,-7)

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The formula to find the amount is

here A is amount

P is the principal

'r' is the rate of interest

n is the number of years.

Case 1.

Stevan invests

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r = 3% = 0.03

n = 10 years

Hence the interest earned

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Case 2.

Evan invests

P = $10,000

r = 7% = 0.07

n = 7 years

Hence the interest earned

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Suppose that the second term of a geometric sequence is 4 and the sixth term is 16. Find the fourth term
Kaylis [27]

Answer:

  • 8

Step-by-step explanation:

<h3>Given GP</h3>
  • a₂ = 4,
  • a₆ = 16
<h3>To find</h3>
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<h3>Solution</h3>
  • a₂ = ar = 4
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<u>Substitute ar in the second equation</u>

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<u>Then finding a₄</u>

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