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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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Help please Algebra 2 B
snow_lady [41]
A horizontal asymptote will have an equation in the form y=a.
We see only one choice like this here. It is y=97.
So correct answer is y=97.
It means that carrying capacity of the New England forests will be 97, and shows what maximum amount of moose can live there.
7 0
3 years ago
The R-value of insulation is a measure of its ability to resist heat transfer. For fiber-glass insulation, 3½ inches is rated at
Solnce55 [7]

Answer:

R = \dfrac{16}{5}t + \dfrac{1}{5}

where R is the R-value and t is the thickness in inches.

Step-by-step explanation:

We are given the following in the question:

The  R-value of fiberglass insulation and f its thickness have a linear relation.

Let R be the R-value and t be the thickness. Then, the equation can be written as:

R = at + b

where a and b are constants.

When t = 3.5, R = 11

11 = 3.5a + b

When t = 6, R = 19

19 = 6a + b

Solving the two equation, using the elimination method, we have,

19-11 = 6a + b-(3.5a + b)\\8 = 2.5a\\\\\Rightarrow a = \dfrac{16}{5}\\\\11 = 6(\dfrac{16}{5}) + b\\\\\Rightarrow b = \dfrac{1}{5}

Thus, the linear relationship is given by:

R = \dfrac{16}{5}t + \dfrac{1}{5}

where R is the R-value and t is the thickness in inches.

8 0
3 years ago
Kelsey solved the following equation:
Tems11 [23]

9514 1404 393

Answer:

  (a) 1. Distributive property 2. Combine like terms 3. Addition property of equality 4. Division property of equality

Step-by-step explanation:

Replacement of -1/2(8x +2) by -4x -1 is use of the <em>distributive property</em>, eliminating choices B and D.

In step 3, addition of 1 to both sides of the equation is use of the <em>addition property of equality</em>, eliminating choice C. This leaves only choice A.

_____

<em>Additional comment</em>

This problem makes a distinction between the addition property of equality and the subtraction property of equality. They are essentially the same property, since addition of +1 is the same as subtraction of -1. The result shown in Step 3 could be from addition of +1 to both sides of the equation, or it could be from subtraction of -1 from both sides of the equation.

In general, you want to add the opposite of the number you don't want. Here, that number is -1, so we add +1. Of course, adding an opposite is the same as subtracting.

In short, you can argue both choices A and C have correct justifications. The only reason to prefer choice A is that we usually think of adding positive numbers as <em>addition</em>, and adding negative numbers as <em>subtraction</em>.

6 0
3 years ago
the unpaid balance at the start of a 30-day billing cycle was $2000. A $1000 purchase was made on the first day of the billing c
Goshia [24]
So sorry I would say 2000 good luck not to sure
4 0
3 years ago
F(x) = x2. What is g(x)?<br><br> need help asap!!!
Hoochie [10]

Answer:

Dear the answer is 100% D

Good luck

4 0
3 years ago
Read 2 more answers
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