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3 years ago

10 - 20 - 20 - 20 -20 2- + 1000

Mathematics

1 answer:

kari74 [83]3 years ago

4 0

Answer:

928

Step-by-step explanation:

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Which of the following is equal to the rational expression when x does not equal -3 x^2-9/x+3

mestny [16]

Answer:

x - 3

Step-by-step explanation:

Given

$\frac{x^2-9}{x+3}$

Note that x² - 9 is a difference of squares and factors as

x² - 9 = (x + 3)(x - 3), thus

$\frac{(x+3)(x-3)}{x+3}$

Cancel the x+ 3 factor on the numerator/ denominator leaving

x - 3 ← in simplified form

8 0

3 years ago

Simplify (7 x 10 ^−13) − (4.2 x 10 ^−15).

vazorg [7]

The value of the expression (7 x 10⁻¹³) − (4.2 x 10⁻¹⁵) will be 6.958 x 10⁻¹³. Then the correct option is C.

<h3>What is subtraction?</h3>

It simply implies subtracting something from an entity, group, location, etc. Subtracting from a collection or a list of ways is known as subtraction.

The expression is given below.

⇒ (7 x 10⁻¹³) − (4.2 x 10⁻¹⁵)

Simplify the equation, then the value of the expression will be

⇒ (7 x 10⁻¹³) − (4.2 x 10⁻¹⁵)

⇒ (7 x 10⁻¹³) − (0.042 x 10⁻¹³)

⇒ 6.958 x 10⁻¹³

The value of the expression (7 x 10⁻¹³) − (4.2 x 10⁻¹⁵) will be 6.958 x 10⁻¹³. Then the correct option is C.

More about the subtraction link is given below.

brainly.com/question/4319655

#SPJ2

7 0

2 years ago

Read 2 more answers

Round to the nearest tenth.

blagie [28]

Answer:

0.75 rounded is 0.80 and 5.25 rounded is 5.30 and add 0.80+5.30=6.10

Step-by-step explanation:

3 0

3 years ago

What was the unconditioned stimulus (UCS) in the case of Little Albert?

Nookie1986 [14]

$\LARGE{ \underline{ \tt{Required \: answer:}}}$

It was started by a scientist Ivan Pavlov who was a russian physiologist who started the Behaviorist movement in psychology.

During the experiment:

The loud noise is the unconditioned stimulus.
The fear reaction is the unconditioned response.
The white rat is our neutral stimulus.
When the loud noise and the white rat are paired over time, the white rat becomes the conditioned stimulus.
The Fear reaction to the loud noise the conditioned response.

Our Answer is:

Loud noise (Option C✓)

⛱️ $\large{ \blue{ \bf{FadedElla}}}$

7 0

3 years ago

We are given AB // DE. Because the lines are parallel and segment CB crosses both lines

levacccp [35]

AA is why they are similar.

3 0

4 years ago