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sladkih [1.3K]
3 years ago
5

Find the surface area of the triangular pyramid

Mathematics
1 answer:
Elden [556K]3 years ago
6 0

Answer:

(16 \times 13 \times 0.5) \times 4 + 13 \times 13

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How can you tell from the prime factorization of two numbers if their LCM equals the product of the​ numbers?
Thepotemich [5.8K]
If the lcm equals the product of the numbers, that means that they have no common factors.

If you're looking at the prime factorization of two numbers, the product will only be the lcm if the prime factorizations do not share a single number.
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2 years ago
Find the properties of the parabola with the equation (x + 5) 2 = 4(y - 1)
Tanya [424]

Answer:

Option a. (-5, 2)

Step-by-step explanation:

The focus of a parabola is a <em>point</em>. Regarding this point, each point of the parabola has the same distance to a line that is known as "directrix".

By definition, for a parabola of the form:

(x-h)^2 = 4p(y-k)

The focus of the parable is given by the point: (h, k +p)

We must identify the values of h, k and p for the given equation.

(x + 5)^2 = 4(y - 1)

h = -5\\k = 1\\4p = 4\\p =1

Now that we know the values of h, k and p we can find the focus

The focus is

(-5, 1+1)

(-5, 2).

8 0
4 years ago
Identify the transformation that appears to be a reflection. HELP ASAP!!
vredina [299]

Answer: the first option

Step-by-step explanation:

A reflection means that the object is flipped.

6 0
3 years ago
D C с Determine the area of the rectangular ABCD with AB=5cm and BC=3cm. A 5cm B 3 ст. C С D​
soldier1979 [14.2K]

Answer:

15cm2

Step-by-step explanation:

Area of rectangle = l×b

l=5cm, b=3cm

Area= 5×3 =15cm2

6 0
3 years ago
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