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Law Incorporation [45]
3 years ago
14

Graph y=0.4x............................

Mathematics
2 answers:
Leto [7]3 years ago
8 0

Answer:

Look at the image below

vodka [1.7K]3 years ago
7 0
They are correct^^ I’m verifying
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Solve for x.<br> Sqrt8 (Sqrt2 - x) = 11
Alexus [3.1K]

Answer:\frac{-7\sqrt{2} }{4}

Step-by-step explanation:

So first, let's get rid of the parentheses. We can multiply it out to get \sqrt{16}-x\sqrt{8} =11. We know that the square root of 16 is ±4, so now our equation is ±4 - x\sqrt{8}=11. I'm guessing since the problem only has one solution it's most likely only positive 4, so let's revise our equation to 4 - x\sqrt{8}=11. We can use inverse operations to make the a little easier to solve: -7= x\sqrt{8}. We divide both sides by \sqrt{8} to get \frac{-7}{\sqrt{8} } =x, which we can rationalize (remove the square root from the denominator so that it's a proper answer) by multiplying by \frac{\sqrt{8} }{\sqrt{8} } (which is equal to one so we can use it) which is equal to \frac{-7\sqrt{8} }{8}. Let's finish this by simplifying it. \sqrt{8} =2\sqrt{2} (2x2^{2}). We can simplify it further by simplifying the 2, making it \frac{-7\sqrt{2} }{4}.

Hope this wasn't too confusing! I'll answer any questions.

8 0
2 years ago
Read 2 more answers
X is directly proportional to the cube of y <br> when x=32 y=0.4 <br> find the value of y when x=256
Stella [2.4K]

Answer: 0.512

Step-by-step explanation:

256/32=8

8*(0.4)^3=

8*0.064=0.512

y=0.512

4 0
1 year ago
Adrian uses 1/3 cup of water every 2/3 cup of lemon juice to make lemonade. Enter the number of cups of water Adrian uses for 1
Eva8 [605]
Adrian will use 1/2 cup of water for 1 cup of lemon juice for the lemonade
3 0
3 years ago
5 times a number increased by 4 is at least<br> nineteen
Anna35 [415]

Answer:

5(x+4) ≥ 19

x ≤  -1/5

Step-by-step explanation:

5(x+4) ≥ 19

5x + 20 ≥ 19

5x ≤  -1

x ≤  -1/5

5 0
3 years ago
Year 10
mylen [45]

Answer:

=3x³+2x²−27x−18

Step-by-step explanation:

(x+3)(x−3)(3x+2)

=((x+3)(x−3))(3x+2)

=((x+3)(x−3))(3x)+((x+3)(x−3))(2)

=3x³−27x+2x²−18

=3x³+2x²−27x−18

6 0
2 years ago
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