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pashok25 [27]
3 years ago
8

X Y. Determine whether y varies directly with x If so find the constant vartion k and write the equation

Mathematics
1 answer:
kirza4 [7]3 years ago
6 0

Answer:

6.4 = k*4

k = 6.4 / 4

k = 1.60

11.2 = k * 7

k = 11.2 / 7

k = 1.60

16 = k * 10

k = 16/10

k = 1.60

20.8 = k * 13

k = 20.8/13

k = 1.60

Step-by-step explanation:

hope this helps! so sorry if it doesn't try not to stress over school please<3

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A car has travelled 480km in 4 hours. What is the cars velocity?
Slav-nsk [51]

Answer:

120kmph

Step-by-step explanation:

480%4=120

6 0
4 years ago
PLEASE HELPPPPPPPPPPPPPPPPPPPPPPPPPPP
vlabodo [156]

Answer:

x = 5 ; z = 70

Step-by-step explanation:

Vertical angles have the same degree measure

(13x + 45) = 110

13x + 45 = 110

      -45     -45

13x = 65

/13     /13

x = 5

Complementary angles add up to 180°

110 + z = 180

-110         -110

z = 70

8 0
3 years ago
Read 2 more answers
The program director at a botanical garden surveyed 75 of their annual members about the number of times they visit the gardens
Tatiana [17]

Answer: C) 165 annual members

Step-by-step explanation:

Those who will visit the garden more than 3 times in the next month will be those who visit 4, 5, and 6 or more times.

Out of the 75 surveyed, the total number of those are:

= 9 + 12 + 3

= 24

That would give a percentage of:

= 24 / 75

= 32%

This means that the best estimate for those who will visit more than 3 times is 32%.

Out of the total number of 516, that is:

= 32% * 516

= 165 members

6 0
3 years ago
How do you solve -5(5x+7)
kherson [118]

Answer:

x=7

Step-by-step explanation:

5x%2B7=6x Start with the given equation.

5x=6x-7 Subtract 7 from both sides.

5x-6x=-7 Subtract 6x from both sides.

-x=-7 Combine like terms on the left side.

Divide both sides by -1 to isolate x.

x=7 Reduce.

3 0
3 years ago
Read 2 more answers
The ymca lap pool is a right rectangular prism 36.8\, \text{m}36.8m36, point, 8, space, m long by 20 \,\text{m}20m20, space, m w
Jlenok [28]
The volume of a rectangular prism is given by:
 V = (w) * (l) * (h)
 Where,
 w: width
 l: length
 h: height
 Substituting values we have:
 1472 = (20) * (36.8) * (h)
 Clearing h we have:
 h = (1472) / ((20) * (36.8))
 h = 2 m
 Answer:
 
the water in the pool is 2m deep
7 0
3 years ago
Read 2 more answers
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