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Zarrin [17]
2 years ago
10

In order to determine the slant height of several pyramids, Marjorie used the surface area formula, s= 1/2 pl+b for the slant he

ight,l . Which equation , in terms of l, represents the correct transformation of the surface area formula?
Mathematics
1 answer:
m_a_m_a [10]2 years ago
7 0

Answer:

l=\dfrac{2(S-b)}{P}

Step-by-step explanation:

The surface area formula for pyramids is given by :

S=\dfrac{1}{2}Pl+b ...(1)

We need to arrange the formula for l.

Take b to LHS,

S-b=\dfrac{1}{2}Pl\\\\2(S-b)=Pl\ [\text{cross-multiplying}]\\\\l=\dfrac{2(S-b)}{P}

So, the expression is \dfrac{2(S-b)}{P} for the slant height.

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It cost $35 for one adult and two children to attend a show.it cost $60 for two adults and three children to attend the same sho
yarga [219]

Answer:

i got 2100

Step-by-step explanation:

i got that by multiplying 60 x 35 = 2100


hope this helps

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3 years ago
Find the radian measure of 120 degrees.
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Answer:

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7 0
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Given A= <br> What is the value of matrix B if A + B = C
tangare [24]

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A

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We know that 8+3x= x

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kvv77 [185]
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3 years ago
1) Solve the following system of equations algebraically. Give your solution as two
Bad White [126]

For this case we have the following system of equations:

y = x ^ 2 + 7x + 12\\y = 2x + 8

Equating both equations we have:

x ^ 2 + 7x + 12 = 2x + 8\\x ^ 2 + 7x-2x + 12-8 = 0\\x ^ 2 + 5x + 4 = 0

We must find the solutions, for this we factor. We look for two numbers that, when multiplied, result in 4 and when added, result in 5. These numbers are 4 and 1:

4 + 1 = 5\\4 * 1 = 4

Then, the factorized equation is of the form:

(x + 4) (x + 1) = 0

Thus, the solutions are:

x_ {1} = - 4\\x_ {2} = - 1

We look for solutions for the variable "y":

y_ {1} = 2 (-4) + 8 = -8 + 8 = 0\\y_ {2} = 2 (-1) + 8 = -2 + 8 = 6

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ANswer:

(x_ {1}, y_ {1}): (- 4,0)\\(x_ {2}, y_ {2}): (- 1,6)

8 0
3 years ago
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