What is the area of the figure?

Mathematics

2 answers:

bija089 [108]2 years ago

8 0

Answer:

B)48

Step-by-step explanation:

Cut the figure to get 2 rectangles. 9x4=36 And then 6x2=12. Add the two numbers 36+12 to get 48.

natima [27]2 years ago

8 0

Answer:

48 cm^2

Step-by-step explanation:

We can split this into 2 rectangles

The lower rectangle is 10 by 2

Area = 10*2 = 20 cm^2

The upper rectangle is 9-2 by 10-6 or 7 by 4

A = 7*4 = 28 cm^2

The total area is found by adding the areas together

A = 20 + 28 = 48 cm^2

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Use synthetic division to find P (-10) for P(x)=2x^3+14x^2-58x

Savatey [412]

The polynomial remainder theorem states that the remainder upon dividing a polynomial $p(x)$ by $x-c$ is the same as the value of $p(c)$ , so to find $p(-10)$ you need to find the remainder upon dividing

$\dfrac{2x^3+14x^2-58x}{x+10}$

You have

..... | 2 ... 14 ... -58
-10 | ... -20 ... 60
--------------------------
..... | 2 ... -6 .... 2

So the quotient and remainder upon dividing is

$\dfrac{2x^3+14x^2-58x}{x+10}=2x-6+\dfrac2{x+10}$

with a remainder of 2, which means $p(-10)=2$ .