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valentina_108 [34]
3 years ago
15

Please help me, I don't understand this!

Mathematics
2 answers:
Alenkinab [10]3 years ago
7 0
Sure, but what is the question-
Montano1993 [528]3 years ago
3 0

whats the question?

                                                                                                                                                                                                                                                                                                                                 

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Which number line represents the solutions to |x – 2| = 6? A number line from negative 10 to 10 in increments of 1. Two points,
nekit [7.7K]

Answer:

x = 8 or x = -4, i.e., the last number line

Step-by-step explanation:

|x – 2| = 6 translates to

x-2 = 6 or x-2 = -6 if you eliminate the absolute operation. So there are two solutions that you can solve independently:

x-2 = 6 => x = 8

x-2 = -6 => x = -4

5 0
3 years ago
Read 3 more answers
Find the value of the following:<br><br> a) 25 - 7.36<br><br> b) 8.65 + 4.23 - 3.5
Ede4ka [16]

Answer:

a 25-7.36

=17.64

b 8.65+4.23-3.5

=12.88-3.5

=9.38

5 0
1 year ago
Read 2 more answers
QUICK PLEASE The school library is planning to purchase new bookshelves. If they calculated that each bookshelf can hold 75 book
podryga [215]

Answer:

75 divided by 350

Step-by-step explanation:

8 0
2 years ago
Which values are solutions to the inequality below? √x ≤ 5
Romashka [77]
\sqrt{x}  \leq 5

Find the real  region  for \sqrt{x}

\sqrt{x} is real for x \geq 0

= x  \geq 0

\sqrt{x}  \leq 5

Square both sides:

( \sqrt{x} )^2  \leq 5^2

5^2 = 5*5 =25

Refine:

x  \leq 25

Answer D

hope this helps!


5 0
2 years ago
A rock is thrown from the top of a tall building.The distance in feet between the rock and the ground t seconds after thrown is
marusya05 [52]

Answer:

0.448 seconds

Step-by-step explanation:

d = -16t² -4t + 412

find t when d = 407

substituting d = 407 into the equation:

407 = -16t² -4t + 412 (subtract 407 from both sides)

-16t² -4t + 412 - 407 = 0

-16t² -4t + 5 = 0 (multiply both sides by -1)

16t² + 4t - 5 = 0  

solving using your method of choice (i.e completing the square or using the quadratic equation), you will end up with

t = (-1/8) (1 + √21)= -0.70 seconds (not possible because time cannot be negative)

or

t = (-1/8) (1 -√21) = 0.448 seconds (answer)

4 0
3 years ago
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