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mihalych1998 [28]
3 years ago
11

What is (13x + 9k) + (17x + 6k), simplified?

Mathematics
1 answer:
Mazyrski [523]3 years ago
7 0
The answer is 15x+30k
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9 + 1.34 + 1 2 (3.50 +1.74)
 Step 1: add what is inside the parenthesis
 9 + 1.34 + 1 2 (5.24)
 Step 2: multiply what is inside the parenthesis by 12.
 9 + 1.34 + 62.88
 Step 3: Add all the numbers
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 9 + 1.34 + 1 2 (3.50 +1.74) = 73.22
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A submarine is cruising at an elevation of
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Answer:

Step-by-step explanation:

these are two different questions .

first i solve first

position of submarine= -250/3 meters below see level

height descended=120 % of 250/3=120/100 ×(250/3)=300,00/300=100 m

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2nd question

position of submarine=-250 2/3=-752/3 m below see level

height descended=120 5/8=965/8 m =-965/8 m below see level

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HURRY FIRST GETS BRAINLLEST A dartboard has 20 equally divided wedges, and you are awarded the number of points in the section y
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There are 14 sections with a score higher than 5. And there 20 in total. The probability is:

P(A) = \dfrac{\#A}{\Omega}\\\\\\P(A) = \dfrac{14}{20}\\\\\\P(A) = \dfrac{7}{10}\\\\\\P(A)= 70\%

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A culture started with 2000 bacteria after 5 hours it grew to 2600
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P(t) = P₀ e^(kt) 

<span>Where P₀ is the initial population, </span>
<span>P(t) is the population after "t" time. </span>
<span>t is your rate (can be hours, days, years, etc. in this case, hours) </span>
<span>k is the growth constant for this particular problem. </span>

<span>So using the information given, solve for k: </span>

<span>P₀ = 2000 </span>
<span>P(4) = 2600 </span>

<span>P(t) = P₀ e^(kt) </span>
<span>2600 = 2000e^(k * 4) </span>
<span>1.3 = e^(4k) </span>

<span>Natural log of both sides: </span>

<span>ln(1.3) = 4k </span>
<span>k = ln(1.3) / 4 </span>

<span>Now that we have a value for "k", use that, the same P₀, then solve for P(17): </span>

<span>P(t) = P₀ e^(kt) </span>
<span>P(17) = 2000 e^(17ln(1.3) / 4) </span>

<span>Using a calculator to get ln(1.3) then to simplify from there, we get: </span>

<span>P(17) ≈ 2000 e^(17 * 0.262364 / 4) </span>
<span>P(17) ≈ 2000 e^(4.460188 / 4) </span>
<span>P(17) ≈ 2000 e^(1.115047) </span>
<span>P(17) ≈ 2000 * 3.0497 </span>
<span>P(17) ≈ 6099.4 </span>

<span>Rounded to the nearest unit: </span>

<span>P(17) ≈ 6099 bacteria  hope i could help =)))</span>
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3 years ago
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