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jeka57 [31]
2 years ago
9

Y varies directly with X. Y=10 when X=5, find y when X=14

Mathematics
1 answer:
Nataliya [291]2 years ago
5 0

Answer:

28

Step-by-step explanation:

y=kx

10=5k

k=2

y=2×14

y=28

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-4x^2 (3x^2 + 25x - 7)
disa [49]
In the instructions for this problem I am told to distribute -4x^2. Why?
the order of operations is the order in which to simlify
if you look inside the parenthases, all like terms have been combined so the inside of parenthasees have already been simlified
expanding the exponents won't make it any easier so we move to distriubiting (or mulitplying)
so then the next step is mulitply -4x^2 by the trinomial


<span>In the order of operations you must do problems inside parentheses first. Why does multiplying monomials by polynomials change this? </span>multiplying monomails by polynomials does not change this

<span>Would the answer come out different if I did the work according to the order of operations?
no because distributing first is what you should do if you follow order of operations
</span>



6 0
3 years ago
What is 2x-2(x-2y)+1/2(8x+6y) simplified?
julia-pushkina [17]
2x-2x+4y+4x+3y=4x+7y
6 0
3 years ago
Please help will mark brainliest !!!! http://prntscr.com/meuiyw
Ray Of Light [21]

Answer:

f(x) =g(x) only when x = 0, or x = 1, when x = 3, they are not equal.

Step-by-step explanation:

They aren't equal because:

f(3) = 2(3) + 1

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g(3) = 2(3)2 + 1

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hope this helps

5 0
3 years ago
Read 2 more answers
Rick wishes to purchase a new car and can afford monthly payments of up to $275
oksano4ka [1.4K]

Answer:

200?

Step-by-step explanation:

8 0
2 years ago
Solve log x − 1 16 = 4.
Reptile [31]
I hope this helps you



log(x-1)4^2=4


2.log (x-1)4=4


log (x-1)4=2


log (x-2)2^2=2


2log (x-1)2=2


log (x-1)2=1


[logab=y b=a^y]


b=2 a=x-1 y=1


2=(x-1)^1


x-1=2


x=3

3 0
3 years ago
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