3 years ago

Tom is 4 more than twice Andrews age Sara is 8 less than 5 times Andrews age if Tom and Sara are twins how old is andrew

Mathematics

1 answer:

ollegr [7]3 years ago

7 0

Answer:

T=2A+4=5A-8, then Andrew is 4 years old and Tom and Sara r old enough to solve this problem

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Are the two triangles similar? If yes, write a similarity statement and explain how you know they are similar.

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3 years ago

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 $p(-10)=2$ .