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Musya8 [376]
3 years ago
11

Y∝1√x If y=7 when x=64 find, x when y=8

Mathematics
1 answer:
Taya2010 [7]3 years ago
3 0

Answer:

uhm im really sorry about this but i really need points i would help but id get it wrong im bad aat math

Step-by-step explanation:

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Someone please help me I’m literally struggling
Darya [45]

Hello,

<u>We have :</u>

27 = 3³ = 3 × 3 × 3

x³ = x × x × x

<u>So :</u>

The cube root of 27x³ is :

3 × x = 3x

(  because : (3x)³ = 27x³ )

<u>We have :</u>

8 = 2³ = 2 × 2 × 2

<u>So :</u>

The cube root of 8 is : 2

a^{3} +b^{3} = (a+b)(a^{2} -ab+b^{2} ) with a=3x and b=2

<u>We have :</u>

(3x)^{3}+2^{3}=(3x+2)((3x)^{2} -(3x)(2)+(2 )^{2} )

Have a nice day :)

6 0
3 years ago
Read 2 more answers
If triangle ABC is congruent to triangle DEF, which statement is not true?
Blizzard [7]
When you name two congruent triangles with the letters of the vertices, you have to keep the order of the corresponding vertices. That means, that when you say triangle ABC is congruent to DEF, the corresponding congruent angles are A = D, B = E, and C = F. regarding the sides, segment AB = segment DE, segment BC = segment EF, and segment CA = segment FD. Then, the answer is that, of the four options,<span> the one that is not true is the option b, because as we already said the corresponding equal angle C is F, not E.</span>
5 0
3 years ago
Simplify (-2x-3)-(3x²-8x+9) <br>in standard form.
Musya8 [376]
(-2 x -3) - (3x^2 - 8x + 9)
     -6     -    9x - 17x
    -6          -        -8x
              -14x

hope this helps,
Batgirl12
8 0
3 years ago
1+1 what is it can you answer
Lorico [155]

Answer:

2 is the answer

Step-by-step explanation:

1 + 1 would be 2

3 0
4 years ago
Read 2 more answers
A movie theater is giving away a souvenir poster to any customer with a concession stand receipt that exceeds $60. The
Doss [256]

Answer:

6x + 3.5y  is greater than 60

Step-by-step explanation:

Cost of x bags of popcorn = 6x

Cost of y bottles of soda = 3.5y

Total cost = 6x + 3.5y

To get a souvenir poster, this cost must exceed 60

6 0
4 years ago
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