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r-ruslan [8.4K]
3 years ago
14

Which expression is equivalent to -3-4

Mathematics
2 answers:
hram777 [196]3 years ago
7 0

Answer:

-3-4=-7

-3+(-4)

hope this helps

have a good day :)

Step-by-step explanation:

Bess [88]3 years ago
4 0

Answer: wheres the photo ?

Step-by-step explanation:

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A new movie is released each year for 8 years to go along with a popular book series. Each movie is 5 minutes longer than the la
Georgia [21]

Answer:

The total length of all 8 movies is 740 minutes

Step-by-step explanation:

* Lets revise the arithmetic series

- In the arithmetic series there is a constant difference between  

 each two consecutive numbers  

- Ex:  

# 2 , 5 , 8 , 11 , ………………………. (constant difference is 3)

# 5 , 10 , 15 , 20 , ………………………… (constant difference is 5)

# 12 , 10 , 8 , 6 , …………………………… (constant difference is -2)

* General term (nth term) of an Arithmetic series:  

- If the first term is a and the common diffidence is d, then

 U1 = a , U2 = a + d , U3 = a + 2d , U4 = a + 3d , U5 = a + 4d  

 So the nth term is Un = a + (n – 1)d, where n is the position of the

  number in the series

- The formula to find the sum of n terms is

  Sn = n/2 [a + l] , where l is the last term in the series

* Lets solve the problem

- A new movie is released each year for 8 years to go along with a

 popular book series

∴ n = 8

- Each movie is 5 minutes longer than the last

∴ d = 5

- The first movie is 75 minutes long

∴ a = 75

- To find the total length of all 8 movies find the sum of the 8 terms

∵ Un = a + (n - 1)d

∵ The last term l is u8

∵ a = 75 , d = 5 , n = 8

∴ l = 75 + (8 - 1)(5) = 75 + 7(5) = 75 + 35 = 110

∴ l = 110

∵ Sn = n/2 [a + l]

∴ S8 = 8/2 [75 + 110] = 4 [185] = 740 minutes

* The total length of all 8 movies is 740 minutes

7 0
2 years ago
Jess is painting his car. He's created a purple color that uses red paint and blue paint in a ratio of 6:5. Jess uses 15
lilavasa [31]
B
I’m sure It’s current answer
4 0
3 years ago
Read 2 more answers
What is the value of 4-4
11111nata11111 [884]

Answer:

0?

Step-by-step explanation:

4-4=0

4 0
3 years ago
Read 2 more answers
9-2(9r + 3) - 7r > -10r - (12r +9)
Temka [501]

Answer:

The answer is r < 4

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

hoped this helped!

brainly, please?

8 0
3 years ago
Determine and state the length of a line segment whose endpoints are (4,7) and (−3,5). Round your answer to the nearest tenth.
Romashka-Z-Leto [24]

Answer:

\left(\frac{1}{2},\:6\right)

Step-by-step explanation:

Plug into the midpoint formula

(\frac{x_{1}+x_{2}  }{2} ,\frac{y_{1}+y_{2}  }{2} )

<u>Hope this helps :-)</u>

<u />

4 0
3 years ago
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