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alexandr1967 [171]
3 years ago
9

What is 2 plus 2

Mathematics
2 answers:
Xelga [282]3 years ago
8 0

Answer:

4

Step-by-step explanation:

2 +2=4

kotegsom [21]3 years ago
3 0

Answer:

4

Step-by-step explanation:

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PLEASE HELP <br>what is the coefficient in the expression below 2x-8​
Shkiper50 [21]

Answer:

2x - 8

Parts of an equation:

2 - coefficient

x - variable

8 - constant

The number 2 is not a coefficient in the expression. FALSE.

The expression has three terms. FALSE. two terms only: 2x & 8

The variable in the expression is x. TRUE

The number 2 is a constant in the expression. FALSE

The expression has one variable term. FALSE. 2x is term but it's a combination of a number and a letter. Variable term is letter only.

6 0
2 years ago
Read 2 more answers
If f(x) = x2 + x - 8, find f(-3).
dalvyx [7]

Answer:

-17

Step-by-step explanation:

it's telling you to replace x with -3.

You have to replace all the x's with -3.

(-3)2 + (-3) - 8 = -17

5 0
3 years ago
Is this relation a function? Justify your answer.
Mice21 [21]

Answer:

C. Yes, because the number of x - values is the same as the number of y-values

7 0
3 years ago
Square root of complex number -14?
Wittaler [7]

Answer:

square root(-14) =

3.74165739

Step-by-step explanation:

7 0
3 years ago
The Ambell Company uses batteries from two different manufacturers. Historically, 70% of the batteries are from manufacturer 1,
Sunny_sXe [5.5K]

Answer:

0.625

Step-by-step explanation:

Given :

Ambell company uses or procures batteries from two manufacturers.

The life of a battery in critical tool is at = 32 hours

Ambell uses 70% of its batteries from manufacturer 1 and out of that 90% batteries lasts for about 40 hours.

Similarly, 75% of the batteries procured from the manufacturer 2 lasts for about 40 hours.

Therefore, the probability that a battery is form manufacturer 1 is :

$\frac{0.4 \times 0.25}{(0.6 \times0.1)+(0.4 \times 0.25)}$

= 0.625

5 0
3 years ago
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