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Vesnalui [34]
3 years ago
6

The surface area of a triangular pyramid is 1836 ft2.

Mathematics
1 answer:
mojhsa [17]3 years ago
8 0
1836 ÷ 4 = 459 ft^2   B
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Rearrange the equation so u is the independent variable. -12u+13=8w-3 <br><br> w= ___
Rama09 [41]

Answer:

w = \frac{-12u+16}{8}

Step-by-step explanation:

Reverse the equation placing w on the left side

8w - 3 = - 12u + 13 ( add 3 to both sides )

8w = - 12u + 16 ( divide both sides by 8 )

w = \frac{-12u+16}{8}


5 0
3 years ago
Read 2 more answers
what is the surface area of the right rectangular pyramid I don't know how to work these so if someone could help me out please​
lapo4ka [179]

your answer is b hope I am correct

7 0
3 years ago
Yall help me?please and thank you
aksik [14]
It would be 27/8 = 3 3/8 next 18/5 = 3 3/5 after that 19/6 = 3 1/6 lastly 35/4 = 8 3/4
Hope this helped!

3 0
3 years ago
The equation y=750x represents the number of dollars y Olivia earns in x weeks. Determine if there is a constant of variation. I
Klio2033 [76]

Answer:

<h3>There is a constant of variation in the equation and it is 750. This means that the amount olivia earns increases by $750 every week.</h3>

Step-by-step explanation:

Given the equation y = 750x which represents the number of dollars y Olivia earns in x weeks, from the equation, it can be inferred that the number of dollars olivia earns is DIRECTLY PROPORTIONAL to the number of weeks. This relationship is therefore a direct variation.

In direct variation, increase in a variable will lead to corresponding increase in the other variable and vice versa by a factor known as the constant of variation.

For example if y is directly proportional to x, it is written mathematically as shown;

y\alpha x

y=kx\\

k = y/x

where k is the constant of proportionality.

comparing the general expression above with the equation in question,

y = 750x

k = 750

Therefore we can conclude that there is a constant of variation in the equation and it is 750. This means that the amount olivia earns increases by $750 every week.

5 0
3 years ago
The cost to produce q items is C(q)=1300+2q2 dollars. Find the marginal cost of producing the 12th item. Interpret your answer i
Ad libitum [116K]

Answer: Marginal cost = $46

The cost of production increases by about $46 when one additional unit is produced.

Step-by-step explanation:

Given : The cost to produce q items is C(q)=1300+2q^2 dollars.

C(12)=1300+2(12)^2=1588\\\\ C(11)=1300+2(11)^2=1542

The marginal cost of producing the 12th item= C(12)-C(11)

=1588-1542=46

Interpretation : It means , the cost of production increases by about $46 when one additional unit is produced.

3 0
3 years ago
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