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ICE Princess25 [194]
3 years ago
9

All the info is in the pictures

Mathematics
1 answer:
Hunter-Best [27]3 years ago
6 0
Bearing in mind that an absolute value expression is in effect a piece-wise function with two cases, thus

\bf |-n|=
\begin{cases}
+(-n)\\
-(-n)
\end{cases}\implies 
\begin{cases}
-n\\
n
\end{cases}
\\\\\\
n|-n|=2n\implies 
\begin{cases}
n-n=2n\implies 0=2n\implies &0=n\\
n+n=2n\implies 2n=2n\impliedby &inconsistent
\end{cases}
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Select all the points that are on the graph of the line
Stolb23 [73]

Answer:

(0,-3), (-5,-5)

Step-by-step explanation:

Plug in x and y and see in which case = -15

-2(0)+5(5)= 25 no

-2(0)+5(-3)= -15 yes

-2(-5)+5(-1)= 5 no

-2(-5)+5(-5)= -15 yes

-2(10)+5(-1)= -25 no

-2(-10)+5(7)= 55 no

4 0
3 years ago
Dan is 4 years older than his brother Gabriel. Together their ages equal 22. How old is each boy?
zmey [24]
(4+x)+x=22
= 4+2x=22
= 2x = 18
= x = 9.

Gabriel is 9 years old, and Dan is 4 + 9 or 13 years old.
3 0
3 years ago
Read 2 more answers
......................help
AURORKA [14]

Answer:

50.528º

Step-by-step explanation:

tanA = BC/BA

tanA = 17/14

A = 50.528º

3 0
3 years ago
Jennifer will be driving to Las Vegas this weekend. From her home to the hotel she will be staying at is 1,345 miles away. If Je
Zarrin [17]

Answer:

It will take 19.2142857 hours

Step-by-step explanation:

1,345/70

Round to what you're required.

8 0
3 years ago
Plot the points from the Fahrenheit chart in question 4 onto the graph below. Use the plotted
sergij07 [2.7K]

Answer:

should be easy just plot the points

Step-by-step explanation:

we don't have the chart, though.

7 0
3 years ago
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