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2 years ago

Skcncjndskjsndjcjknskjckjzxc

Mathematics

1 answer:

timama [110]2 years ago

6 0

skskhfkakakan what is this haha

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Jarrod helped his teachers pack textbooks into boxes for the summer. He packed 7 boxes of science textbooks with 14 books per bo

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Read 2 more answers

Solve the following equations. √3 ⋅ 3^3x = 9

GREYUIT [131]

Answer:

The solution is $x = 0.5$

Step-by-step explanation:

We need to write everything as a power of 3.

We know that:

$\sqrt{a} = a^{0.5}$

$\sqrt{3} = 3^{0.5}$

And

$9 = 3^{2}$

This following property is also important:

$\frac{a^{b}}{a^{c}} = a^{b-c}$

To solve, the first step is putting everything with the variable x on one side and everything without the variable x on the other side

$\sqrt{3}.3^{3x} = 9$

$3^{0.5}.3^{3x} = 3^{2}$

$3^{3x} = \frac{3^{2}}{3^{0.5}}$

$3^{3x} = 3^{2-0.5}$

$3^{3x} = 3^{1.5}$

This means that:

$3x = 1.5$

$x = \frac{1.5}{3}$

$x = 0.5$

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2 years ago

X2 - 4x + 3 = 0 lesser x = greater x = o

Levart [38]

Answer:

lesser x is 1

greater x is 3

Step-by-step explanation:

Here, we want to solve the equation so as to get the bigger and the lesser x values

We proceed as follows;

x^2 -4x + 3 = 0

x^2 - x-3x + 3 = 0

x(x-1) -3(x-1) = 0

(x-3)(x-1) = 0

x = 3

or x = 1

Greater x is 3

lesser x is 1

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2 years ago

Pamela is 5 years older than Jiri. The sum of their ages is 77. What is Jiri's age?

babunello [35]

Answer:

41?

Step-by-step explanation:

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