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soldi70 [24.7K]
3 years ago
8

Help me please , I don’t understand this very well , I’m trying to practice :/

Mathematics
1 answer:
SOVA2 [1]3 years ago
7 0

Answer:

answer is 16

Step-by-step explanation:

x+17+x+19+8=x+34

2x+44=x+34

x+44=34

x=-10

-10+17+-10+19= HI

=16

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Because weightlessness in outer space causes astronauts to lose bone mass, at the end of each month, an astronaut has two percen
vlabodo [156]

Answer:

There will be 88.6% of her bone mass remaining when she returns to earth.

Step-by-step explanation:

According to the problem, the astronaut will have 2% less bone mass than at the beginning of that month. So let's say B_{0} is her original bone mass. In that case, her bone mass after the first month will be:

B_{1}=B_{0}(0.98)

on the second month, her bone mass will be:

B_{2}=B_{1}(0.98)=B_{0}(0.98)(0.98)=B_{0}(0.98)^{2}

on the third month, her bone mass will be:

B_{3}=B_{2}(0.98)=B_{0}(0.98)(0.98)(098)=B_{0}(0.98)^{3}

and so on, we can see a pattern here. The formula for her remaining bone mass can be generally written like this:

B_{n}=B_{0}(0.98)^{n}

where n is the number of months, so after 6 months, her remaining bone mass will be:

B_{6}=B_{0}(0.98)^{6}=0.886B_{0}

that 0.886 gives us the percentage as a decimal number. When turned into a percentage we get that:

There will be 88.6% of her bone mass remaining after 6 months.

7 0
3 years ago
The historical walking tour of a town covers a total distance of 5 miles. The map shows that the path of the tour travels 3 inch
kari74 [83]
Since the problem is given all the total walking distance, the first thing we are going to do is find the total distance in the map:
Diastance_{map}=3+4+2+1
Distance_{map}=10
Now that we have the distance in the map, we can establish a ratio between the walking distance and the distance in the map:
\frac{5miles}{10inches} = 0.5 \frac{mile}{inch}

We can conclude that each inch the map represents 0.5 miles of walking distance. 

7 0
3 years ago
Read 2 more answers
HELPPPPPPPPPPPPPPPPP PLEASE
Archy [21]
Y=-4
X=2
Yeah that’s all I got to say lol
5 0
2 years ago
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klio [65]
15% of 14.25.....turn percent to decimal..." of " means multiply
0.15(14.25) = 2.1375  rounds to 2.14....its B
7 0
4 years ago
Read 2 more answers
A bag of apples weighs 8 4 10 pounds. A crate of bananas is 5 times as heavy as the apples. How much heavier are the bananas tha
Mrrafil [7]
Answer: 33640 pounds
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3 0
3 years ago
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