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Maurinko [17]
3 years ago
9

7th grade math pls help

Mathematics
2 answers:
katen-ka-za [31]3 years ago
7 0

Answer:

25.12

Step-by-step explanation:

fredd [130]3 years ago
7 0

Answer:50.24

Step-by-step explanation:

u welcome

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A movie is 2 hours and 28 minutes long it starts at 7:20pm at what time will the movie end
umka2103 [35]
Movie starts 7:20 PM
2 hours = 02:00
28 minutes = 00:28

1.) 2 hours and 28 minutes = 02:28
2.) Movie starts 7:20 PM

You want to find out what time the movie will end

      07:20 PM (start time)
   + 02:28       (movie time)
-------------------------------------
      09:48 PM (movie end)

The movie will end at 9:48 PM
6 0
3 years ago
Read 2 more answers
Find the equation of the line<br> Use exact numbers
GaryK [48]
Your Y intercept is 5
Y= mx + 5
Rises -5 / runs 2.5 so
Y= -2x + 5

8 0
3 years ago
When Tomas simplified the expression -2.6 + (-5.4), he got 2.8. what mistake did Tomas likely make?
vladimir2022 [97]

Tomas used incorrectly the rule of signs, the expression should be simplified as follows:

-2.6 + (-5.4)

-2.6 -5.4 = 8

<h3></h3><h3>What mistake did Tomas likely make?</h3>

Here Tomas wants to perform an addition between two numbers:

-2.6 + (-5.4)

And the outcome that Tomas gets is:

-2.6 + (-5.4) = 2.8

Here his mistake seems to bee that he thought the second number was a positive number, and he solved the operation:

-2.6 + 5.4

So, he used wrong the rule of signs.

Remember that the rule of signs says that:

(-)*(+) = (+)*(-) = (-)

Using that, we can rewrite the original expression:

-2.6 + (-5.4)

to:

-2.6 - 5.4

Solving that, we get:

-2.6 - 5.4 = -8

Which is the outcome that Tomas would have gotten if he had used correctly the rule of signs.

If you want to learn more about the rule of signs:

brainly.com/question/13333620

#SPJ1

5 0
2 years ago
How many solutions does the equation 3x + 6 equals -1 - 3 + 4x have?
wariber [46]
3x + 6 = -1 - 3 + 4x
Combine like terms on the right side.

3x + 6 = -4 + 4x
Add 4 to both sides.

3x + 10 = 4x
Subtract 3x from both sides.

10 = x

The equation has one solution (10).
3 0
3 years ago
Read 2 more answers
3x\4=2y+6xy. what is "x" equal too? what is "y" equal too?
andreyandreev [35.5K]
 the answer is 
x=8y/3(1-8y)


y=3x/8(1+3x)

hope this helped l used cymath to solve this problem. 
good day : )
6 0
3 years ago
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