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LenaWriter [7]
3 years ago
12

Someone help me !! Please

Mathematics
2 answers:
oksian1 [2.3K]3 years ago
3 0
I think C is the correct answer
Snezhnost [94]3 years ago
3 0
The Answer for this Question would be D

EXPLICATION:

The reason this is the answer as 7 raised to the power of 2 is 7 Times 7 which equals 49. If you use the distribution method for 3(4+6) if you add 4+6 = 30; 3(10) = 30; then you have -2 so 30-2= 28.

So the final answer would be 28 x 49
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Arlene had 1/3 as many goldfish as Isabelle. Isabelle has 5 times as many goldfish as Bruce. If Bruce had 18 goldfish, how many
kvv77 [185]

Answer: 30 goldfish

Step-by-step explanation: Bruce has 18 goldfish. If Isabelle has 5 times as many goldfish as Bruce she will have 18*5=90 goldfish. If Arlene has 1/3 times as many goldfish as Isabelle she will have 90/3=30 goldfish.

7 0
3 years ago
What is the completely factored form of f(x)=x3+5x2+4x−6?
Gre4nikov [31]
f(x)=x^3+5x^2+4x-6
f(-3)=(-3)^3+5(-3)^2+4(-3)-6=0\implies x+3\text{ is a factor of }f(x)

Synthetic division yields

-3  |  1   5   4   -6
.    |      -3  -6    6
- - - - - - - - - - - - -
.    |  1   2  -2    0

which translates to

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

with remainder 0. Now by the quadratic formula,

x^2+2x-2=0\implies x=\dfrac{-2\pm\sqrt{2^2-4(1)(-2)}}2=-1\pm\sqrt3

and so

f(x)=x^3+5x^2+4x-6=(x+3)(x-(-1+\sqrt3))(x-(-1-\sqrt3))
3 0
3 years ago
Add (13x – 4) and (–6x + 15)
kompoz [17]

(13x – 4) + (–6x + 15) =

13x - 4 - 6x + 15 =

7x + 11

4 0
3 years ago
Given an exponential function for compounding interest, A(x) = P(1.02)x, what is the rate of change?
Sedbober [7]
A(x) = P(1.02)^x
A(x) = P(1 + 0.02)^x
A(x) = P(1 + r)^x

Therefore rate of change = 0.02 = 2%
6 0
3 years ago
What is 8 minus the quotient of 15 and y
DerKrebs [107]
You would end up with an equation of 8 - y/15.
6 0
3 years ago
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