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otez555 [7]
3 years ago
10

Please helppp!!!

Mathematics
1 answer:
coldgirl [10]3 years ago
7 0

Answer:

The perimeter is 27 km

The area is 21 km^2

Step-by-step explanation:

The perimeter of a triangle will just be all of the sides added up.

12 + 9 + 6 = 27 km

The area of a triangle is:

A = 1/2 * base * height

The base is 6 km, and the height is 7 km. Substituting the values in and solving, we get:

A = 1/2 * 6 * 7

A = 3 * 7

A = 21 km^2

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Licemer1 [7]
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3 years ago
Select all numbers that are solutions to the inequality w < 1.
monitta

Answer:

I know it’s going to be -5 and -1.3 but I’m not sure about the zero I don’t know if you count zeros to but please let me know.

3 0
3 years ago
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a triangular sail has a base length of 2.5 meters. the area of the sail is 3.75 square meters. how tall is the sail?
Alik [6]
Area=1/2 times height times base
base=2.5
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subsitute

3.75=1/2 times height times 2.5
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3=height

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3 years ago
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Find other values of a, b, and c so that log(a) + log(b) + log(c) = log(a + b + c).
yanalaym [24]

Step-by-step explanation:

Given :

log(a) + log(b) + log(c) = log(a + b + c)

We know that by property

log(a) + log(b) + log(c) = log(abc)

Therefore,

log(abc) = log(a + b + c)

Thus,

(abc) = (a + b + c)

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and when a = 1, b = 2, c = 3,

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3 years ago
I WILL GIVE BRAINLY HELP ME PLSSS
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Answer:

I believe (D)

Step-by-step explanation:

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-7 -7

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