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jenyasd209 [6]
2 years ago
9

The figure below is a net for a triangular pyramid. If all the triangles are equilateral, what is the surface area of the pyrami

d, in square meters?

Mathematics
1 answer:
Sedaia [141]2 years ago
4 0
Bassicalid quietus widucbw Suzy’s exit wish’s dish’s. Wowing. Aosidn. Oausbx.
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Write the equation of the line with a<br> slope of -2 and passes through (4, -1).
MArishka [77]

Answer:

Step-by-step explanation:

y=mx+b

y= -2x + 3\frac{1}{2}

hope this helped :)

7 0
2 years ago
Help me please? c: I only have 4 questions left and I'm a bit stuck
prohojiy [21]
1.168 rounded off to nearest thousands = 1168
6 0
2 years ago
Semeet uses 0.4 gallon of gasoline each hour moving lawns. how much gas does she use in 4.2 hours
laiz [17]

Answer:

I think the answer is 1 gallon of gas

Step-by-step explanation:

8 0
2 years ago
A peach orchard owner wants to maximize the amount of peaches produced by her orchard.
qaws [65]

Answer:

  a) Y(x) = {900, x≤30; 900-40(x-30), x>30}

  b) T(x) = {900x, x≤30; 2100x-40x², x>30}

  c) dT/dx = {900, x≤30; 2100-80x, x>30}

Step-by-step explanation:

a) The problem statement gives the function for x ≤ 30, and gives an example of evaluating the function for x = 35. So, replacing 35 in the example with x gives the function definition for x > 30.

\displaystyle Y(x)=\left\{\begin{array}{lcl}900&\text{for}&x\le 30\\900-40(x-30)&\text{for}&x>30\end{array}\right.

__

b) The yield per acre is the product of the number of trees and the yield per tree:

  T(x) = x·Y(x)

\displaystyle T(x)=\left \{\begin{array}{lcl}900x&\text{for}&x\le 30\\2100x-40x^2& \text{for}&x>30\end{array}\right.

__

c) The derivative is ...

\displaystyle\frac{dT}{dx}=\left \{\begin{array}{lcl}900&\text{for}&x\le 30\\2100-80x& \text{for}&x>30\end{array}\right.

_____

The attached graph shows the yield per acre (purple, overlaid by red for x<30), the total yield (black), and the derivative of the total yield (red). You will note the discontinuity in the derivative at x=30, where adding one more tree per acre suddenly makes the rate of change of yield be negative.

6 0
3 years ago
How many pairs of parallel line segments are shown? <br><br> 1. 8<br> 2. 24<br> 3. 4<br> 4. 18
kolezko [41]
For this case what you should see is each of the edges of the prism that are parallel.
 We then have as parallel edges:
 AC and GE
 CG and AE
 CD and GH
 AB and EF
 BD and HF
 DH and BF
 CD and EF
 GH and AB
 Answer: 
 8 pairs of parallel lines
4 0
3 years ago
Read 2 more answers
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