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sp2606 [1]
2 years ago
14

Solve for d. 41 = 12 d _ 7 d

Mathematics
1 answer:
ICE Princess25 [194]2 years ago
3 0

Answer:

d=4

Step-by-step explanation:

41=12d-7

In this scenario we need to isolate the variable.

Start by adding 7 to both sides:

41+7=12d-7+7

48=12d

Divide both sides by 12:

\frac{48}{12}=\frac{12d}{12}

d=4

Substitute 4 for d to check our answer:

41=12d-7\\41=12(4)-7\\41=48-7\\41=41\rightarrow\text{correct!}

Therefore the answer is:

d=4

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kvv77 [185]
<span>[x + 2 - (5x + 5)] ² =
[x + 2 - 5x - 5]² =
[x - 5x + 2 - 5]² =
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16x² + 24x + 9

Answer:
</span>\boxed{C = 16x^2 + 24x + 9}<span>



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6 0
3 years ago
Please help me thank you so much. Just not sure of my answers
Sedaia [141]

Answer:

An interesting experiment is given. We need to address various questions based on our knowledge of calculus.

Step 2

Part (a)

Time taken for the radius to grow to 2 cm = t1 = r/0.5 = 2/0.5 = 4 hours

Time taken for the radius to become 0 = t2 and the same can be obtained by solving:

r = 2 - √t2 = 0

Hence, t2 = 22 = 4 hours

Hence, the time duration of the entire experiment (from the introduction of the bacteria until its disappearance) = t1 + t2 = 4 + 4 = 8 hours

Step 3

Part (b)

r(t) = 0.5t for 0 ≤ t ≤ 4

and

r(t) = 2 - √(t - 4) for t > 2

Step-by-step explanation:

7 0
3 years ago
HELP PLEASE!! I need help​
chubhunter [2.5K]

Answer:

C=5.25+2.50x

Step-by-step explanation:

It starts with a base cost of $5.25 and increases by $2.50 for every ticket sold. Add 2.50(number of tickets) to the admission cost to get the total cost.

4 0
3 years ago
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In August 200920092009, Usain Bolt ran 100100100 meters in 9.589.589, point, 58 seconds (\text{sec})(sec)left parenthesis, start
Sveta_85 [38]

Answer:

<u>Usain Bolt's average speed in yards per second was 11.4</u>

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

World record of Usain Bolt = 9.589 seconds

Distance of the world record = 100 meters

1 yard = 0.9144 meters ⇒ 100 meters = 109.36 yards

2. What was Usain Bolt's average speed in yards per second?

Let's recall that the formula of speed is:

Speed = Distance/Time

Replacing with the values we know:

Usain Bolt's Speed = 109.36/9.589

<u>Usain Bolt's Speed = 11.4 yards per second (Rounding to one decimal place)</u>

6 0
3 years ago
6. A landscaping company ordered 13 plants and 4 trees for a total of $487. If plants are $8 each write and solve a linear equat
Lady_Fox [76]

Answer:95.75

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y = (487 - 13*8)/4

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7 0
3 years ago
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