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Thepotemich [5.8K]
4 years ago
12

Find the area of the lateral faces of the right triangular prism with altitude of 5 cm and base edges of length 3 cm, 4 cm, and

5 cm.
Mathematics
2 answers:
Levart [38]4 years ago
4 0

Answer:

60 cm, I checked

Step-by-step explanation:

Bingel [31]4 years ago
3 0
The area of all 3 lateral triangular faces will be found by using the formula for area of a triangle.

A = 1/2bh

Face 1:
1/2 x 3 x 5
A = 7.5 square cm

Face 2:
1/2 x 4 x 5
A = 10 square cm

Face 1:
1/2 x 5 x 5
A = 12.5 square cm

12.5 + 7.5 + 10 = 30 square cm

The area of the lateral faces is 30 square cm.
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Which expression has a coefficient of positive 1 for the the term n?
yanalaym [24]

Answer:

3n^2+n-2

Step-by-step explanation:

Coefficient is the number that we multiply an expression that contains a variable. In all the expressions above the variable is n.

Some examples:

Coefficient of n^2 is 1.

Coefficient of n in n^2+2n+1 is 2.

Solution:

In 5n^2+6n-1 the Coefficient of n is 6.

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In 3n^2 +n - 2 the Coefficient of n is POSITIVE 1.

We tend to not write 1*n because 1*n=n.

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3 years ago
Can somebody help me with number 25
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andriy [413]
The answer would be
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Step-by-step wrong explanation:

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