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lozanna [386]
3 years ago
15

What is the area of this trianlge

Mathematics
2 answers:
stepladder [879]3 years ago
6 0

it's 36 cuz 12 x 3. U welcome

just olya [345]3 years ago
4 0
The answer is 18in^2

A=1/2h times b
A=1/2(12)(3)
A=(6)(3)
A=18in^2
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These two triangles can be shown to be congruent using which transformation?
Vladimir [108]

Answer:

This is B) A reflection over the y-axis.

Step-by-step explanation:

You can tell this in a picture due to the fact that each point on the corresponding triangle is equidistant from the y-axis. Take the point at the bottom for instance. In both pictures, it is 2 spaces away from the y axis.

6 0
3 years ago
How did u get the area of the trapezoids tho.
GarryVolchara [31]

Answer:

To find the area of a trapezoid, multiply the sum of the bases (the parallel sides) by the height (the perpendicular distance between the bases), and then divide by 2.

Step-by-step explanation:

3 0
3 years ago
What is the coefficient of X^2Y^2 in the expansion of (x+y)^4
nata0808 [166]

Answer:

6

Step-by-step explanation:

We want to expand this; (x + y)⁴

This can be written as;

(x + y)² × (x + y)²

This gives;

(x² + 2xy + y²) × (x² + 2xy + y²)

This gives;

x²(x² + 2xy + y²) + 2xy(x² + 2xy + y²) + y²(x² + 2xy + y²) = x⁴ + 2x³y + x²y² + 2x³y + 4x²y² + 2xy³ + x²y² + 2xy³ + y⁴

Simplifying gives;

x⁴ + 4x³y + 4xy³ + 6x²y² + y⁴

Thus, the coefficient of x²y² is 6

3 0
2 years ago
Solve 3x2 + 4x = 2<br>I need it solved with the quadratic formula​
lisabon 2012 [21]
3x2+4x=2
6+4x=2
-6 -6
4x=-4
4 4
x=-1
8 0
3 years ago
What's the area of this?​
Alex17521 [72]

Answer:55 CJ ^2

Step-by-step explanation:

4 0
3 years ago
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