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kati45 [8]
3 years ago
9

I really need help pls someone help

Mathematics
1 answer:
enyata [817]3 years ago
7 0

Answer: I can't see the answers to answer the question but more importantly THIS IS A DIAGNOSTIC I CAN'T HELP YOU!!!!

Step-by-step explanation:

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-0.5(x + 0.3) – 0.2x = 4.1
lys-0071 [83]

Answer:

x=-8

Step-by-step explanation:

I always change the decimals into whole numbers by multiplying them by 10.  If you do this, it is much easier to solve.  All you do is multiply every term by 10.

the equation changes to

-5(x+3)-2x=41

-5x-15-2x=41

combine like terms

-7x-15=41

bring the 15 over to the 41

-7x=56

divide everything by 7

-x=8

change x to a positive

x=-8

3 0
3 years ago
Evaluate the expression for x = 3, y=13 , and z = 5.
hoa [83]

Answer:

-437

Step-by-step explanation:

x=3,y=13,z=5

12x-3y4x-z

12(3)-3(13)(4)(3)-5

36-468-5

-437

5 0
3 years ago
Before a movie began, a theater had people waiting in the seats. During each of 4 movie trailers, 7 more people came into the th
valentinak56 [21]

Answer:

well assuming that it's linear the

Step-by-step explanation would be: something but you don't want that you want the answer assuming that 7 people came in every 4 trailers the slope or rate of change would be 7/4 and the initial value would be 5.

8 0
3 years ago
If your test increased by 14 points, what percent did you increase if there were 50 questions in total? show work
solmaris [256]
Increase = 14
Total =50
Percentage increase = 14/50 x 100 = 28%
8 0
3 years ago
How many vertices does ten hexagon have. IT 15 POINTS
never [62]

Answer: 6 sides and 6 vertices

Step-by-step explanation:

A hexagon has 6 six sides and 6 vertices

3 0
3 years ago
Read 2 more answers
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