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pantera1 [17]
3 years ago
7

What is the y-intercept of the line 3x – 7y = 42?

Mathematics
2 answers:
Allisa [31]3 years ago
8 0

Answer:

(0, -6)

Step-by-step explanation:

Slope-Intercept Form: y = mx + b

<em>m</em> - slope

<em>b</em> - y-intercept

Step 1: Write standard form

3x - 7y = 42

Step 2: Rewrite in slope-intercept form

  1. Subtract 3x on both sides: -7y = 42 - 3x
  2. Divide both sides by -7: y = -6 + 3/7x
  3. Rewrite: y = 3/7x - 6

Step 3: Find y-intercept

<em>b</em> = -6

salantis [7]3 years ago
7 0

Answer:

The answer is (0, -6). I used Desmos, but use Slope-Intercept form y = mx + b. m is the slope, and b is the y-intercept. Sorry if I'm unclear because I'm in a hurry rip

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A growth medium is inoculated with 1,000 bacteria, which grow at a rate of 15% each day. What is the population of the culture 6
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<h2>Number of bacteria after 6 days is 2313</h2>

Step-by-step explanation:

Population after n days is given by

              P_n=P_0(1+r)^n

Initial population, P₀ = 1000

Increase rate, r = 15 % = 0.15

Number of days, n = 6

Substituting

             P_n=P_0(1+r)^n\\\\P_6=1000(1+0.15)^6\\\\P_6=1000(1.15)^6\\\\P_6=1000\times 2.313\\\\P_6=2313

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4 years ago
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QveST [7]

In this case, we'll have to carry out several steps to find the solution.

Step 01:

Data

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The answer is:

(f.g)(x) = 12 √ x

3 0
1 year ago
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Answer:
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Tip:
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