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s344n2d4d5 [400]
3 years ago
11

Solve by completing the square and hunt for twice the larger root.

1" title="x^{2}" alt="x^{2}" align="absmiddle" class="latex-formula">-9x+3=0
Mathematics
1 answer:
vampirchik [111]3 years ago
6 0
Is all you need to solve the equation or is there more to it?
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The relationship between the weight y gram and the edge x cm for a cube of gold is y = 19.3x3 A cube of gold weighs 652 grams. C
Nutka1998 [239]

The length of the edge of the cube is 3.23 cm .

<u>Step-by-step explanation:</u>

We have , The relationship between the weight y gram and the edge x cm for a cube of gold is y = 19.3x3 or y = 19.3x^3 .  A cube of gold weighs 652 grams i.e. y = 652 . Let's calculate value of x from above data:

y = 19.3x^3

⇒ y = 19.3x^3

⇒ 652= 19.3x^3

⇒ 19.3x^3=652

⇒ \frac{19.3}{19.3}x^3=\frac{652}{19.3}

⇒ x^3=\frac{652}{19.3}

⇒ \sqrt[\frac{1}{3} ]{x^3} = \sqrt[\frac{1}{3} ]{\frac{652}{19.3}}

⇒ ({x^3})^\frac{1}{3}  =({\frac{652}{19.3}})^\frac{1}{3}

⇒ x  =(33.78)^\frac{1}{3}

⇒ x  =3.23

Therefore, the length of the edge of the cube  is 3.23cm.

3 0
3 years ago
A fabric store sells two types of ribbon.one customer buys 3 rolls of the lace ribbon
inessss [21]
2- Menciona las
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4 0
3 years ago
Simplify if possible:<br> (2/9)^3
adoni [48]
(2/9)³=8/729
That's your answer.
[So big....)
6 0
3 years ago
Zach made a batch of cookies with 2/7 of a pound of butter and 2/9 of a pound of sugar. How much more butter than sugar was used
MaRussiya [10]
The answer is D.4/63. This is because you have to start by multiplying to get the denominators to be the same. in this case, we multiply by 9 and 7 to get 63. Then, what we did to the top must be done to the bottom, so we multiply to end up with 18/63 and 14/63. 
5 0
3 years ago
Miley went to the store with a $10 bill. She went to get 8 jumbo dill pickles for her family. If she spent the whole $10, what w
Vadim26 [7]

answer is 1.25

because 10 divided by 8 equals 1.25

3 0
3 years ago
Read 2 more answers
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