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2 years ago

I need help with this. -y^2+x^3-4x^3-6y^3+5-2x^3

Mathematics

2 answers:

balandron [24]2 years ago

7 0

Answer:

-y^2-5x^3-6y^3+5

Step-by-step explanation:

Collect the terms

luda_lava [24]2 years ago

3 0

Answer:

Step-by-step explanation:

How to solve your problem

−

y^{2}+x^{3}-4x^{3}-6y^{3}+5-2x^{3}

y2+x3−4x3−6y3+5−2x3

Simplify

Combine like terms

−

y^{2}+{\color{#c92786}{x^{3}}}{\color{#c92786}{-4x^{3}}}-6y^{3}+5{\color{#c92786}{-2x^{3}}}

y2+x3−4x3−6y3+5−2x3

−

y^{2}{\color{#c92786}{-5x^{3}}}-6y^{3}+5

y2−5x3−6y3+5

Rearrange terms

Solution

−

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How many different three-digit numbers can be written using digits from the set 5, 6, 7, 8, 9 without any repeating digits?

suter [353]

Answer: 60 different numbers can be formed

Step-by-step explanation:

Note that we have 5 different digits, and we must select 3 of them. They should not be repeated

The order of selection is important in this case, because the number 532 is not the same as the number 235.

So we have a permutations problem, where we have a set of n elements and we want to choose r from them.

Then we define the permutacion as:

$nPr=\frac{n!}{(n-r)!}$

In this case note that n=5 because there are 5 elements in the set.

r = 3 because we combine the elements to form three-digit numbers

Then:

$5P2=\frac{5!}{(5-3)!}$

$5P2=\frac{5!}{2!}$

$5P2=\frac{5*4*3*2!}{2!}$

$5P2=5*4*3$

$5P2=60$

4 0

3 years ago

When simplifying 7x^0 and (7x)^0 are these the same of different?

Levart [38]

Answer:

these are different

Step-by-step explanation:

7x^0 is only x to the 0th power

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6 0

3 years ago

A point f(–3, 1) is translated along the vector ⟨5, –1⟩.what are the coordinates of the image f′ ?

jekas [21]

(2.0)

Hope this helped :)

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2 years ago

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Georgia [21]

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3 years ago

Need the answers to 38-41

Volgvan

38. 8•4 =32cm^2
39. 8+8+5+5=26 cm^2
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6 0

2 years ago