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3 years ago

When the value of x is 3, what is the value of y? y = x2 A w Nox

Mathematics

2 answers:

kumpel [21]3 years ago

5 0

$\Huge{\underline{\underline{\mathbb{\green{ANSWER:}}}}}$

Equation = y=x2

Value of x = 3

On substituting the value , equation ,=

y=3×2

My name is Ann [436]3 years ago

3 0

When the value of X is 3, Y=6

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Solve the equation (linear equation)<br><br> <img src="https://tex.z-dn.net/?f=8%5E%7B2x%2B7%7D%20%3D%20%28%5Cfrac%7B1%7D%7B32%7

Minchanka [31]

Answer: $x=-1$

Step-by-step explanation:

By the negative exponent rule, you have that:

$(\frac{1}{a})^n=a^{-n}$

By the exponents properties, you know that:

$(m^n)^l=m^{(nl)}$

Therefore, you can rewrite the left side of the equation has following:

$(\frac{1}{8})^{-(2x+7)}=(\frac{1}{32})^{3x}$

Descompose 32 and 8 into its prime factors:

$32=2*2*2*2*2=2^5\\8=2*2*2=2^3$

Rewrite:

$(\frac{1}{2^3})^{-(2x+7)}=(\frac{1}{2^5})^{3x}$

Then:

$(\frac{1}{2})^{-3(2x+7)}=(\frac{1}{2})^{5(3x)}$

As the base are equal, then:

$-3(2x+7)=5(3x)$

Solve for x:

$-6x-21=15x\\-21=15x+6x\\-21=21x\\x=-1$

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3 years ago

Leah has a collection of 36 baseball cards. She..

Evgesh-ka [11]

Answer:

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Step-by-step explanation:

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3 years ago

Alex originally paid $5200 for her car 1 year ago. The value of her car would is $4,420. What is the percent of decrease in the

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See the picture for the answer.

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Scorpion4ik [409]

Answer:

Step-by-step explanation:

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3 years ago

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Svet_ta [14]

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3 years ago