2 years ago

Ron cycles 12Km due west and then 9Km due north. Find the shortest distance covered by him to reach his starting point?

Mathematics

1 answer:

svp [43]2 years ago

7 0

Shortest distance 55 feet long

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X f(x)

fgiga [73]

B) f(x) = 3

It’s because all the y values are 3

5 0

2 years ago

Please help!!!!!!!!!!

Delicious77 [7]

$f(x)=2x^2-4x+1$

Substitute the values of x to the equation of the function f:

$x=-1\to f(-1)=2(-1)^2-4(-1)+1=2(1)+4+1=7\\\\x=2\to f(2)=2(2^2)-4(2)+1=2(4)-8+1=1$

Therefore we have two points (-1, 7) and (2, 1).

We can calculate the slope of line l.

The formula of a slope:

$m=\dfrac{y_2-y_1}{x_2-x_1}$

Substitute:

$m=\dfrac{1-7}{2-(-1)}=\dfrac{-6}{3}=-2$

<h3>Answer: A) -2.</h3>

5 0

2 years ago

Is (-1,4) a solution of the inequality y<2x+5?

Sveta_85 [38]

Let's plug x= -1, y= 4 in the inequation, we have:
4< 2*(-1)+5
⇒ 4< -2+5
⇒ 4< 3 (false)

Therefore, (-1,4) is not a solution of the inequation y<2x+5~

6 0

2 years ago

Each teacher can order 3 boxes of pencils for the school year. If 3 boxes together hold 82 pencils how many are in each box? If

SashulF [63]

There are 27 & 1/3 pencils in each box. Each student will get 3 pencils per year. There will be 16 pencils left over.

6 0

3 years ago

Read 2 more answers

Given the replacement set {2, 3, 4, 5}, solve 7x – 4 = 3x + 8.

Ludmilka [50]

7x-4=3x+ 8

-3x of both sides 4x-4=8
plus 4 to both sides 4x=12

12 divide by 4 = 3
hopeful that helps

5 0

3 years ago

Read 2 more answers