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vaieri [72.5K]
3 years ago
10

Help? Plz I need help

Mathematics
1 answer:
e-lub [12.9K]3 years ago
3 0

Remark

If you really take this question seriously, you will stop tailgating immediately. Being any less than 6 car lengths away from the car in front of you is dangerous even if you are paying attention, never mind if you are not.

Conversion

\dfrac{60 miles}{hour}*\dfrac{5280 feet}{1 mile}* \frac{1 hour}{3600 seconds}

Now just multiply all the numerators together

60 * 6280 * 1 = 316800

And then multiply all the denominators together

1 * 1 * 3600 = 3600

Divide the numerators / denominators to get 316800/3600 = 88 feet / second

If you go 88 feet in 1 second you will go 88 * 4 feet in 4 seconds which is 352 which is about the length of a football field. It is an awfully long way to be inattentive.


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The pair of values below is from a direct variation. Find the missing number.
NISA [10]

Answer:

The answer is 2.

2  since 6/4=3/2

Step-by-step explanation:

Since your relation is a direct variation then the points on your line are of the form y=kx where k is the constant of variation (also called constant of proportionality)

If y=kx then y/x=k.

So all the points in this relation since it is a direct variation will be equal to y-coordinate/x-coordinate.

So we are going to solve this proportion:

\frac{6}{4}=\farc{3}{x}

Again I put y/x from each point. They should have same ratio because this is a direct variation.

Cross multiply:

6(x)=4(3)

6x=12

Divide boht sides by 6:

x=\frac{12}{6}

x=2

6 0
3 years ago
Read 2 more answers
Solve the system by graphing. Y=2x-9 y=-2x-1
sattari [20]

Answer:

(2,-5)

Step-by-step explanation:

See attachment

One can also solve this by calculation:

y=2x-9

y=-2x-1

-

Rearrange either equation to find x.  I'll use the first:

y=2x-9

2x = y+9

x = (y+9)/2

Now use this value of x in the second equation:

y =  -2x-1

y =-2((y+9)/2)-1

y = (-2y-18)/2)-1

y = -y -9 - 1

2y = -10

y = -5

Now use -5 for y in the rearranged equation:

y =  -2x-1

-5 =  -2x-1

-2x = -4

x = 2

Solution is (2,-5)

But the question wants a graph solution, which is also fun when you use DESMOS.

4 0
2 years ago
Each of the letters in the word APPLE is on separate cards, face down on the table. If you pick a card at random, what is the pr
Lina20 [59]
Probability =

         (number of possible ways to succeed)
divided by
         (total number of possible outcomes) .

Number of ways to succeed = 2  (pick the 'A' or the 'L')

Total number of possible outcomes = 5 (the cards on the table) .

Probability of success  =  2/5  =  40% .
5 0
3 years ago
Solve the Following expression d=5 2d+4d-9-7=
makkiz [27]

Answer:

14

Step-by-step explanation:

d=5 so

2(5)+4(5)-9-7

10+20-9-7

30-9-7

21-7

14

7 0
3 years ago
Read 3 more answers
ILL BRAINLIEST YOU IF YOU PLEASE HELP ME
mr Goodwill [35]

Answer:

15 < x < 31

Step-by-step explanation:

Given 2 sides of a triangle then the third side x is in the range

difference of 2 sides < x < sum of 2 sides , that is

23 - 8 < x < 23 + 8

15 < x < 31

3 0
2 years ago
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