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Phoenix [80]
3 years ago
8

How is kinetic energy measured

Mathematics
1 answer:
spin [16.1K]3 years ago
5 0
Kinetic energy is usually measured in units of Joules and can be written as “J”.
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If 4 notebooks and 3 packages of pens cost $7.43 and
SashulF [63]

Answer:

i believe its one of these!

A. $0.89 B.$0.79 C. $1.29

Step-by-step explanation:

6 0
3 years ago
Help asap ☺️☺️☺️☺️☺️☺️☺️
never [62]
Hey There!

80+70 is 150

180
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is 30 so 30 must be your answer

Hope This Helps!!!
3 0
3 years ago
Read 2 more answers
Find the axis of symmetry and vertex of the following y= -2x2-3x+2
Mnenie [13.5K]
Y= -2x²-3x+2, (form y = ax² +b .x + c

The parabola opens downward & hence it's Vertex is a MAXIMUM.

We know that the axis of symmetry is -b/2a ==>3/(-4) ==>
x= - 3/4 (axis of symmetry. At x=-3/4 , y = 25/8 = 3.125

Hence the axis of symmetry is x= - 3/4 & the vertex is at (-3/4, 25/8)
8 0
3 years ago
Harold earns $10.50 per hour working at a doctor’s office. On Monday he spent 1 5/12 hours filing paper work, 1 3/4 sending emai
maks197457 [2]

Answer:$57.75

Step-by-step explanation:

Find the total amount of hours he worked

1\frac{5}{12} +1\frac{3}{4} +2\frac{1}{3}\\\\\frac{17}{12}+ \frac{7}{4} +\frac{7}{3} \\\\\frac{17+21+28}{12} \\\\\frac{66}{12}=\frac{66/2}{12/2}=\frac{33/3}{6/3}=  \frac{11}{2} or 5\frac{1}{2} or 5.5h

So, he worked 5.5h and he earns $10.50 an hour.

($10.50)(5.5h)=$57.75

5 0
3 years ago
The number of emails a friend receive each day during last 20 days is shown below. what number of days she receive 19 or fewer e
Arlecino [84]

To answer the problem just add the frequencies that correspond to email counts that are 19 or fewer. So you're adding the counts that correspond to 0-9 and 10-19. So the frequency of 0-9 is 4 and the frequency of 10 -19 is 7. So 4 + 7 = 11

5 0
3 years ago
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