3 years ago

Which of the following is equivalent to 10-4

Mathematics

2 answers:

masya89 [10]3 years ago

5 0

The answer is obviously the second one B or number two

Harlamova29_29 [7]3 years ago

4 0

D 1 in 10thousbadn to

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Jake is solving x^2-6x+5=0 by completing the square his steps are shown below step 1. x^2-6x=-5 step 2. x^-6x+9=-5+9 step 3. (x-

damaskus [11]

Answer:

Jake's error in step 3

Step-by-step explanation:

we have

$x^{2} -6x+5=0$

Complete the square

step 1

Group terms that contain the same variable, and move the constant to the opposite side of the equation

$x^{2} -6x=-5$

step 2

Complete the square. Remember to balance the equation by adding the same constants to each side

$x^{2} -6x+9=-5+9$

$x^{2} -6x+9=4$

step 3

Rewrite as perfect squares

$(x-3)^{2}=4$

Jake's error in step 3

He placed 6 instead of 3 in the left side

step 4

take square root both sides

$\sqrt{(x-3)^2} =\sqrt{4}$

step 5

$(x-3)=\pm2$

step 6

$x=3\pm2$

step 7

x=5 and x=1

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4 years ago

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3 years ago

What is the value of x in the equation x – y = 30, when y = 15

Mekhanik [1.2K]

The answer is 45 because 45-15=30, therefore x=45.

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sattari [20]

Answer:

it answer is 3 because it is trigonometry

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GuDViN [60]

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