3 years ago

Find the surface area PlzzZz TIA

Mathematics

1 answer:

BARSIC [14]3 years ago

6 0

Answer:

Step-by-step explanation:

because is going up and is increasing

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Is it dependent variable or a independent variable

Elanso [62]

Answer:

The first answer is independent. The second answer is dependent.

Step-by-step explanation:

An independent variable by definition is a quantity that is unaffected by another quantity. Any variable that is affected by another variable is by definition a dependent variable.

8 0

3 years ago

The perimeters if a triangle is 747 metres. The first side is 45 meters shorter than the second side and the third side is twice

tigry1 [53]

Let
x-----------> t<span>he first side
</span>y-----------> the second side
z----------> the third side

we know that
x+y+z=747------> equation 1
x=y-45------> equation 2
z=2x-----> equation 3
substitute 3 in 1
x+y+[2x]=747-------> 3x+y=747--------> equation 4

resolve the system of equation 2 and equation 4
x=y-45
3x+y=747

using a graph tool
see the attached figure

the solution is
x=175.5 m
y=220.5 m
z=2x-----> z=2*175.5------> z=351 m

the answer is
x=175.5 m
y=220.5 m
z=351 m