Answer:
answer is c makes sense because you just add 1.25 x 20
Answer:
2(x-9)(x+5)
Step-by-step explanation:
Answer:
The number is 30
Step-by-step explanation:
Let x be the number
2/3 x = 20
Multiply each side by 3/2 to isolate x
3/2 *2/3x = 20*3/2
x = 30
Answer:
let the polynomial be
f(x)=x³+2kx+2
is divided by
g(x)=x+2
hence
(x+2) is a factor of f(x)
so comparing with x-a we get a=-2
so
f(a)=0
f(-2)=(-2)³+2*-2*k+2
0=-8-4K+2
4k=-6
K=-6/4
k=-3/2
again
when divided by x+1
g(x)=x+1
hence
x+1 is a factor
so a=-1
f(-1)=-(1)³+2*-1*k+2
0=-1-2k+2
0=1-2k
k=1/2
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<u>and</u>
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