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matrenka [14]
3 years ago
10

Helpp ill give brainlist ​

Mathematics
2 answers:
Ber [7]3 years ago
3 0

Step-by-step explanation:

6 {x}^{2}  - 5x + 2 - 2 {x}^{4}   + 3 {x}^{2}   - 2=  \\  =  - 2 {x}^{4}  + 9 {x}^{2}  - 5x

uysha [10]3 years ago
3 0

Answer:

c. g-f(x) -2x⁴+9x²-5x

Step-by-step explanation:

that is the best answer

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List 2 integers that are congruent to 4 modulo 14.
vivado [14]

Answer:

32, 46

Step-by-step explanation:

Remember, a is congruent to b modulo d if d divides a-b.

Now, the problem says that b=4 and d=14.

Let a=32. Observe that a-b=28 and \frac{28}{14}=2, then 32 is congruent to 4 modulo 14.

Let a=46. Observe that a-b=46-4=42 and \frac{42}{14}=3, then 46 is congruent to 4 modulo 14.

7 0
3 years ago
what effect does doubling the radius of a cone have on the volume of the cone if the height remains the same
Butoxors [25]
V=(1/3)hpir^2
lets say this is original, undoubled volume
so o=v=(1/3)hpir^2

so for new volume, or n, that is r to 2r, doubled radius
n=(1/3)hpi(2r)^2
n=(1/3)hpi4r^2
n=4((1/3)hpir^2)
remmember that o=(1/3)hpir^2
n=4(o)

it is 4 times the old one
4 0
3 years ago
Given f(x)=x^3+kx-4, and x-1 is a factor of f(x), then what is the value of k?
Darina [25.2K]

Answer:

3

Step-by-step explanation:

If x-1 is a factor, then x=1 is a solution. So:

0=1³+1k-4

1k=3

k=3 .........

3 0
3 years ago
I need help on this and if you the first person to answer this correctly then I would mark you BRANILIST​​​
lesantik [10]

Answer:

60

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Shalika bought a purse for $120. The tax rate is 9%.  What is the total amount Shalika paid? Enter your answer in the box.
ad-work [718]
130.80 is the answer you have to multiply 120 times 1.09
5 0
4 years ago
Read 2 more answers
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