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DaniilM [7]
3 years ago
7

Help plz answer this

Mathematics
2 answers:
bulgar [2K]3 years ago
6 0

Answer:

First choice: 58 seconds.

Step-by-step explanation:

27.8 is approximately 28 seconds, because 8 ≥ 5, so the number rounds up.

30.12 is approximately 30 seconds, since 1 < 5.

So, 28 + 30 is 58. Therefore, 27.8 + 30.12 ≈ 58.

klemol [59]3 years ago
5 0

Just round them then add together

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5x - 4y = 19 <br> x + 2y = 8
klemol [59]

Answer:

(5x-4y)=19

5×19-4×19

95-76

19

Step-by-step explanation:

x+2y=8

x=8-2

x=6

7 0
3 years ago
What is the value of X<br> 8+4x+2+56-42x
Stels [109]

Answer:

i cannot answer the value of X unless there is an equal sign but the equation simplified is 66-38x

Step-by-step explanation:

3 0
3 years ago
If the simple interest on ​$4000 for 3 years is ​$720​, then what is the interest​ rate?
solong [7]

Answer:

0.06% annually

Step-by-step explanation:

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4 0
2 years ago
In 31 days, Gwen's dog sleeps 496 jours.If she sleeps that same number of hours each night, how many hours does she sleep per ni
g100num [7]
It 496 ÷ 31 = 16 days
4 0
3 years ago
Read 2 more answers
Use the distributive property to remove the parenthesis<br> (v+12)10
serg [7]
The distributive property means to distribute the number being multiplied by the numbers in the parentheses.
In this case, (v+12) is being multiplied by 10.
To solve this, you simply have to multiply 10 by each term inside the parentheses.
That means it would be (v•10)+(12•10).
(v•10) is equal to 10v, since v is the variable and we don't know its value.
(12•10) is equal to 120.
So by using the distributive property we can find that (v+12)10 = 10v+120.
6 0
3 years ago
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