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AysviL [449]
3 years ago
8

A bus travels 36 miles in 45 minutes. Enter the number of miles the bus travels in 60 minutes at this rate.

Mathematics
2 answers:
Reptile [31]3 years ago
6 0
Set up the proportion line up minutes with minutes and miles with miles so it would be x over 60 36 over 45 and u get 48
german3 years ago
6 0
Set up a ratio
36/45=x/60

Cross multiply and solve for x
(36)(60)/45 = x
x = 48 miles

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Any help would be appreciated
mario62 [17]
5/8- I think that is the right answer
7 0
3 years ago
I dont know how to do this
arlik [135]

Answer:

steps below

Step-by-step explanation:

post here 16 and 17, should be able to do 18 and 19 yourself

16.

y=-8 for x≤-6

y=-1/4 x + 2 for -4≤x≤4

y=4 for x>4

17.

y=-x-4 for x<-3

y=x+1 for -3≤x≤1

y=-6 for x>4

4 0
2 years ago
Simpifly 49/84 <br> ...........
sineoko [7]

Answer:

7/12

Step-by-step explanation:

Divide both the numerator & denoniminator by 7.

49 / 7 = 7

84 / 7 = 12

7/12

3 0
2 years ago
A farmer needs 3x2 − 4x + 10 seeds for each of x3 + 5x − 20 fields. What expression would represent the seeds the farmer needs t
Fittoniya [83]

Answer:

Step-by-step explanation:

(3x^2-4x+10)(x^3+5x-20) =3x^5-4x^4+25x^3-80x^2+130x-200

x=1 is not a good value since when you plug it in you get -126 and you can't have a negative number of seeds.

7 0
3 years ago
Write an equation of a line perpendicular to the line 1/2x - 5 , passing through the point (-1 , 7)
jok3333 [9.3K]
<h3>Answer ↓</h3>

y=-2x+5

<h3>Calculations ↓</h3>

First of all we need to determine the slope of the line perpendicular to y = 1/2x - 5 .

The slopes of perpendicular lines are opposite reciprocals.

So we take 1/2 , turn it over , and change it's sign :

^1/_2\:\:\:--- > ^2/_1\:\:\:--- > 2\:\:\:--- > -2

The slope of the line perpendicular to y = 1/2x-5 is -2 .

Since we're also given a point that the line crosses , we can write the line's equation in point - slope form :

y-y₁=m(x-x₁)

y-7=-2(x-(-1)

y-7=-2(x+1)

Now convert to slope intercept :

y-7=-2x-2

add 7 on both sides :

<h3>y = -2x+5</h3>

\footnotesize\text{hope\:helpful}

7 0
2 years ago
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