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7nadin3 [17]
4 years ago
6

What is the perimeter of ΔABC?

Mathematics
1 answer:
JulsSmile [24]4 years ago
7 0

Answer:ab+ac+bc

Step-by-step explanation:

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What is the volume of a rectangular prism that has a height of 2 inches a width of 2 and 1/2 inches and a length of 5 and 1/2 in
Anna35 [415]

Answer:

V = 27.4 in^2

Step-by-step explanation:

Converting to mixed numbers with fractions in decimal format makes this problem easier.  2 1/2 inches is the same as 2.5 inches; 5 1/2 inches is 5.5 inches.

The volume formula is V = L*W*H.

Here, V = (5.5 in)(2.5 in)(2 in), or 27.4 in^2

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3 years ago
Let A be an nxn matrix. Determine whether the statement below is true or false. Justify the answer. The determinant of a triangu
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7 0
3 years ago
4/40 in its simplest form
Alexus [3.1K]

Answer:

1/10

Step-by-step explanation:

(4/40)/ (4/4) = 1/10

5 0
3 years ago
To the nearest tenth, what is the distance between the points (1, –2, 5) and (0, 7, –4)?
In-s [12.5K]

Answer:

\boxed{12.8}\\

Step-by-step explanation:

The coordinates of your points, (1, –2, 5) and (0, 7, –4), are 3D  (x, y, z) coordinates. They represent the diagonal of a rectangular prism.

The length of the sides are

x₂ - x₁ = |0 – 1|     = 1

y₂ - y₁ = |7 – (-2)| = 9

z₂ - z₁ = |-4 – 5|   = 9

The prism has the dimensions 9 × 9 × 1 as shown in the diagram.

We can use the Pythagorean theorem to calculate the length of the diagonal, d

Look first at the red diagonal on the base of the prism.

x² = 9² + 9² = 81 + 81 = 162

Now, look at the main diagonal.

d² = x² + h² = 162 + 1² = 162 + 1 = 163

d = √163 =12.8

\boxed{ \textbf{The distance between the two points is 12.8.}}\\

5 0
3 years ago
Which of the following is equivalent to 5(3x+2)
Vilka [71]

Answer:

what are the options?

Step-by-step explanation:

u need to add the optiona plz

3 0
3 years ago
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