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just olya [345]
3 years ago
13

The distance a train travels d is proportional to a constant rate of speed r at different times t which equation shows the relat

ionship between the speed of the train and the distance traveled A r=dt B r=d+t C r=d-t D r=d/t
Mathematics
1 answer:
Anarel [89]3 years ago
6 0

Answer:

D

Step-by-step explanation:

d = rt so to isolate r you divide both sides by t, leaving you with r=d/t

its basically speed=distance/time, or s=d/t if that's more farmiliar to you

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Find x when y=5 if y varies inversely as x and x=6 when y =-18
Vera_Pavlovna [14]
It has been given that y varies inversely with x, therefore the equation for this relationship is as follows;
y =\frac{k}{x}\
when y = -18 and x = 6
-18 = k/ 6 ---1)
We need to find x when y = 5
 5 = k/x
when we divide 1)/2), k gets cancelled 

\frac{-18}{5}=  \frac{x}{6}
x = -18*6/5
x = -21.6
when y = 5, then x = -21.6
7 0
3 years ago
Plz help! Gonna need to turn it soon
Veseljchak [2.6K]

Answer:

C - 13*

Step-by-step explanation:

3 0
3 years ago
benito read 14 books in 3 months, which was 35% of the number of books he had signed up to read during the school year .how many
lianna [129]
14 books in 3 months is 35%
all of books is 100%

14- 35%
x- 100%
we calculate from proportions, crosswise:
x=\frac{14*100}{35}=\frac{1400}{35}=40

Answer: Benito sign up to read 40 books.

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7 0
3 years ago
On number 6 what should i color in
monitta

Answer:

For 5/11 shade in the third bubble (0.45 repeating)

6 0
3 years ago
Please help this hurts
Svetllana [295]

Answer:

6x - 11y = -13 is the answer.

Step-by-step explanation:

Let's plug in the points to see what sticks.

Start with (-4, -1)

1) 11x - 6y = 11(-4) - 6(-1) = -44 + 6 = -38 \neq 13

2) 6x - 11y = 6(-4) - 11(-1) = -24 + 11 = -13

3) 6x - 7y = 6(-4) - 7(-1) = -24 + 7 = -17 \neq 17

4) 6x - 11y = 6(-4) - 11(-1) = -24 + 11 = -13 \neq 13

The only one that fits is #2.  Let's try the other point to be sure.

2) 6x - 11y = 6(1.5) - 11(2) = 9 - 22 = -13

3 0
3 years ago
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