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Olenka [21]
3 years ago
5

WILL MARK BRAINLIEST!!!

Mathematics
1 answer:
wariber [46]3 years ago
4 0

f(x) = -9x^4 + 5x + 3\\\\ f(-x)= -9(-x)^4 + 5\cdot(-x) + 3=-9x^4-5x+3\\\\ f(-x)\not =f(x)\implies \text{ not even}\\\\ -f(x)=-( -9x^4 + 5x + 3)= 9x^4 - 5x - 3\\\\ -f(x)\not =f(-x) \implies \text{ not odd}

Neither

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Donna the trainer has two solo workout plans that she offers her clients: Plan A and Plan B. Each client does either one or the
kykrilka [37]
X=hours of plan A
y=hours of plan B

wed: 5x+6y=12
thu: 3x+2y=6

so
5x+6y=12 and
3x+2y=6
we can eliminate y's by multiplying 2nd equation by -3 and adding to first equation

-9x-6y=-18
<u>5x+6y=12 +</u>
-4x+0y=-6

-4x=-6
divid both sides by -4
x=-6/-4
x=3/2
x=1.5

sub back

3x+2y=6
3(1.5)+2y=6
4.5+2y=6
2y=1.5
y=0.75



Plan A=1.5 hours
Plan B=0.75 hours
3 0
3 years ago
The denominator of a fraction exceeds the numerator by 7. If 3 is added to the numerator and 1 is subtracted from the denominato
mylen [45]
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8 0
3 years ago
Read 2 more answers
What is the answer to this equation: 4x - 2y = 6
hram777 [196]

Answer:

x = 3 and y = 3

Step-by-step explanation:

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5 0
3 years ago
Read 2 more answers
Please help me .......
Misha Larkins [42]
First we have to know the Pythagoreans theorem which is

a^2+b^2=c^2
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3 0
3 years ago
Which formula can be used to describe the sequence?
statuscvo [17]
Remark
The closest answer is D, but the answer has to be rewritten: f(x) = - 2/3 (6)^(x - 1) where x is 1,2,3,4,5,6 .... to plus infinity.  If that is not what you are given, there is no answer.

Discussion
The  minus sign is misplaced. There are 2 reasons. 
1. When x is odd, then the minus sign is not there and every other term will be plus.
2. For a related reason, you cannot get a minus 2/3 if the sign is affected by the power. The first term must be -2/3. (-6)^0 power is 1 not -1

Answer: There is no answer, but you could try C if D does not work.

6 0
3 years ago
Read 2 more answers
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