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2 years ago

The equation 2y+x=0 is shown on the graph below as a

Mathematics

1 answer:

Whitepunk [10]2 years ago

5 0

Answer: Red line

Step-by-step explanation:

2y+x=0

2y=-x

y=-x/2

So we need a line with a slope of -1/2 that passes through the origin, which is the red line.

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Two cars travel at the same speed to different destinations. Car A reaches its destination in 17 minutes. Car B reaches its dest

Goryan [66]

Answer:

speed of car A =Speed of car B=0.8 miles/minutes.

Step-by-step explanation:

We are given that speed of car A is equal to speed of car B.

Also let car A travels x miles.

and car B travels y miles.

Car A reaches its destination in 17 minutes.

this means that speed of car A is given by: $\dfrac{x}{17}$ miles/minutes ( since speed is defined as the ratio of distance and time).

Car B reaches its destination in 32 minutes.

This means that the speed of car B is given by: $\dfrac{y}{32}$ miles/minutes

as speed of both cars are equal this means:

$\dfrac{x}{17}=\dfrac{y}{32}$ ------(1)

Also we are given Car B travels 12 miles farther than Car A.

this means $y-x=12$

$y=12+x$ ------(2)

on using equation (1) and (2) we have:

$\dfrac{x}{17}=\dfrac{12+x}{32}\\ \\32x=17(12+x)\\\\32x=17\times12+17x\\\\32x-17x=17\times12\\\\15x=122\times17\\\\x=13.6$

Hence the speed of car A is 0.8 miles/minutes ( since x/17 is the speed of car A)

Speed of car B=0.8 miles/minutes.

8 0

3 years ago

If you start your homework at 4:00 and finish at 4:20 what is a fraction showing the time you spent on the clock

Ivahew [28]

20min/1hr, I believe.

8 0

3 years ago

Read 2 more answers

Midpoint.<br> (3,3), (-1,1)

Scilla [17]

Answer:

1,2

Step-by-step explanation:

3+-1=2

2/2=1

3+1=4

4/2=2

7 0

2 years ago

Given: g(x) = Vx – 4 and h(x) = 2x – 8.<br> What is g(h(10))?

Iteru [2.4K]

Answer:

g(h(10)) = 43

Step-by-step explanation:

Given: g(x) = 4x – 4 and h(x) = 2x – 8.

We are to find g(h(10))

First we need to get g(h(x))

g(h(x)) = g(2x-8)

Replace x in g(x) with 2x-8 as shown:

g(2x-8) = 4(2x-8)-4

g(2x-8)= 8x-32-5

g(2x-8) = 8x-37

Hence g(h(x)) = 8x-37

g(h(10)) = 8(10)-37

g(h(10)) = 80-37

g(h(10)) = 43

Hence g(h(10)) is 43

6 0

2 years ago

12 quarts of soil are used to completely fill 5 flower pots. If each pot holds the same amount of soil, how many quarts will eac

Oksanka [162]

Answer:

2.4 or 12/5 or 2 2/5

Step-by-step explanation:

4 0

2 years ago