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kupik [55]
3 years ago
9

Dan thinks of a number

Mathematics
1 answer:
puteri [66]3 years ago
5 0

Answer:

-1

Step-by-step explanation:

2 - 3 = -1

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If (1)=0, what are all the roots of the function f(x)=x3+3x2-x-3?use the remainder theorem
Anon25 [30]
If f(1)=0, then by the remainder theorem \dfrac{f(x)}{x-1} has a remainder of 0, which means f(x) is divisible by x-1. In fact,

x^3+3x^2-x-3=x^2(x+3)-(x+3)=(x^2-1)(x+3)=(x-1)(x+1)(x+3)

So we know 1 is a root, and the other two roots are -1 and -3.
6 0
3 years ago
A rental company charges costumers a 14.75 fee plus $0.15 per smile to rent a moving van after returning the moving van a custom
kumpel [21]

Step-by-step explanation:

I guess, the question is, how many miles were driven ?

if that is the case, then

we need to deduct the basic fee of $14.75, as this would have been paid, even if they did not drive a single mile.

so, 50.45 - 14.75 = $35.70

that is the actual cost for the driven miles.

how many miles ?

well, how often do $0.15 fit into $35.70 ?

35.7 / 0.15 = 238 miles.

this customer had been driving the moving van for 238 miles.

8 0
2 years ago
Explain work please
Softa [21]

Answer:

12 yards of silk

Step-by-step explanation:

okay so 1 yard = 36 inch so 2+3+6= 11 yards

now 1/2 of 36 is 18 inchs

6 inchs

and 1/3 of 36 is = 12

now add 12+18+6 = 36 = 1 extra yard so add that to 11 to get 12

4 0
3 years ago
Wanda purchased some gifts for her kids and husband online. She bought a doll for $14.59, 2 games for $10.95 each, and 2 movies
allsm [11]

Answer:

50.37

Step-by-step explanation:

8 0
3 years ago
18 cm 18 cm 9 cm Area:​
Alik [6]

Answer:

2916 cm

Step-by-step explanation:

In area you have to multiply

So all I did was

18x18x9

which equals 2916

7 0
3 years ago
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