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Olin [163]
3 years ago
13

Which best describes the relationship between the line that passes through the points (9, –5) and (5, –2) and the line that pass

es through the points (–4, –2) and (–8, 1)?
Mathematics
1 answer:
antoniya [11.8K]3 years ago
6 0

Answer:

They have the same slope.

Step-by-step explanation:

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Two liters of water are poured into an empty vase shaped like an octagonal prism. The base area is 100 square centimeters. What
Molodets [167]

Answer: Height of the water is 20 cm.

Step-by-step explanation:

Since we have given that

Base area = 100 square cm

volume of vase shaped  like an octogonal prism = 2 liters

We need to find the height of water.

and 1 liter = 1000 cm³

2 liters = 2×1000 cm³

As we know the formula for "Volume":

Volume=\text{Base Area}\times height\\\\2\times 1000=100\times height\\\\height=\dfrac{2000}{100}\\\\height=20\ cm

Hence, height of the water is 20 cm.

4 0
3 years ago
Researchers measured the percent body fat and the preferred amount of salt (percent weight/volume) for several children. Here ar
Anon25 [30]

Answer: b) τ = 0.3

Step-by-step explanation:

Given the data :

Amount of salt (x)____% body fat(y)

0.2 _______________20

0.3 _______________30

0.4 _______________22

0.5 _______________30

0.7 _______________38

0.9 _______________23

1.1 ________________30

The correlation Coefficient as obtained from the online pearson correlation Coefficient calculator is 0.3281 = 0.3 (to one decimal place) which implies that a weak positive correlation or relationship exists between the preferred amount of salt taken to the percentage body weight of an individual. This is because the value is positive and closer to 0 than 1. The closer the weaker the degree of correlation. With positive values implying a positive relationship (that is an increase in variable A leads to a corresponding increase in B and vice-versa).

4 0
3 years ago
Use angle relationships and the diagram below to write and solve an equation for x.
tatuchka [14]

Answer:

x = 7 degrees

Step-by-step explanation:

4x-5 = 2x + 9

-2x -2x

2x-5 = 9

+5 +5

2x = 14

2x/2 =14 /2

x= 7

5 0
3 years ago
describe the pattern in each sequence and determine the next term of the sequence 21, 16, 11, 6, 1, -4
Nataly_w [17]

Answer:

-9 and each term is subtracted by 5 to get the next term.

Step-by-step explanation:

The previous term is subtracted by 5.

7 0
3 years ago
Read 2 more answers
kala is saving money to buy a bike that cost $125. She has $60 and will save an additional $5 each week. In how many weeks will
Kaylis [27]
In exponential form it’s: 125=60(1.05)^x
So it should be around 15.043 weeks
If you have to round up to then next week then the answer is 16 weeks she will have enough money to buy the bike. I’m
5 0
2 years ago
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