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3 years ago

12

Harry the horse has saved 95.00 for a new saddle that costs 175.00. He works part time at the rodeo and earns 8.00 an hour. All

the money he earns is going toward buying his dream saddle. How many more hours does he need to work to buy the saddle?

1 answer:

OLEGan [10]3 years ago

3 0

Answer:

10 hours

Step-by-step explanation:

If you were to subtract 175 by 95 then you would get 80, then you would divide 80 by 8 then you would get 10.

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Explain the difference between -<img src="https://tex.z-dn.net/?f=%5Csqrt%7B1%7D" id="TexFormula1" title="\sqrt{1}" alt="\sqrt{1

OLEGan [10]

Step-by-step explanation:

= -√1

= -1

= √1

= 1

Difference -√1 and √1 are the sign of the number, where -√1 is negative and √1 is positive

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3 years ago

You're on a train that's moving forward at 50 mph. You throw a ball in the direction that the train is moving. Relative to you a

dsp73

Answer:

$Velocity = 70mph$

Step-by-step explanation:

Given

$Train = 50mph$

$Ball = 20mph$

Required

How fast is the ball seem to be moving?

This question illustrates relative velocity;

Since the ball and the train moves in the same direction, the required velocity relative to the person standing behind is:

$Velocity = Train + Ball$

i.e. we add both velocities

$Velocity = 50mph + 20mph$

$Velocity = 70mph$

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3 years ago

Find all of the equilibrium solutions. Enter your answer as a list of ordered pairs (R,W), where R is the number of rabbits and

zloy xaker [14]

Answer:

$(0,0)$ $(4000,0)$ and $(500,79)$

Step-by-step explanation:

Given

See attachment for complete question

Required

Determine the equilibrium solutions

We have:

$\frac{dR}{dt} = 0.09R(1 - 0.00025R) - 0.001RW$

$\frac{dW}{dt} = -0.02W + 0.00004RW$

To solve this, we first equate $\frac{dR}{dt}$ and $\frac{dW}{dt}$ to 0.

So, we have:

$0.09R(1 - 0.00025R) - 0.001RW = 0$

$-0.02W + 0.00004RW = 0$

Factor out R in $0.09R(1 - 0.00025R) - 0.001RW = 0$

$R(0.09(1 - 0.00025R) - 0.001W) = 0$

Split

$R = 0$ or $0.09(1 - 0.00025R) - 0.001W = 0$

$R = 0$ or $0.09 - 2.25 * 10^{-5}R - 0.001W = 0$

Factor out W in $-0.02W + 0.00004RW = 0$

$W(-0.02 + 0.00004R) = 0$

Split

$W = 0$ or $-0.02 + 0.00004R = 0$

Solve for R

$-0.02 + 0.00004R = 0$

$0.00004R = 0.02$

Make R the subject

$R = \frac{0.02}{0.00004}$

$R = 500$

When $R = 500$ , we have:

$0.09 - 2.25 * 10^{-5}R - 0.001W = 0$

$0.09 -2.25 * 10^{-5} * 500 - 0.001W = 0$

$0.09 -0.01125 - 0.001W = 0$

$0.07875 - 0.001W = 0$

Collect like terms

$- 0.001W = -0.07875$

Solve for W

$W = \frac{-0.07875}{ - 0.001}$

$W = 78.75$

$W \approx 79$

$(R,W) \to (500,79)$

When $W = 0$ , we have:

$0.09 - 2.25 * 10^{-5}R - 0.001W = 0$

$0.09 - 2.25 * 10^{-5}R - 0.001*0 = 0$

$0.09 - 2.25 * 10^{-5}R = 0$

Collect like terms

$- 2.25 * 10^{-5}R = -0.09$

Solve for R

$R = \frac{-0.09}{- 2.25 * 10^{-5}}$

$R = 4000$

So, we have:

$(R,W) \to (4000,0)$

When $R =0$ , we have:

$-0.02W + 0.00004RW = 0$

$-0.02W + 0.00004W*0 = 0$

$-0.02W + 0 = 0$

$-0.02W = 0$

$W=0$

So, we have:

$(R,W) \to (0,0)$

Hence, the points of equilibrium are:

$(0,0)$ $(4000,0)$ and $(500,79)$

4 0

3 years ago

ITS ME AGAIN AND I NEED HELP AGAIN PLZ AND THX

zysi [14]

Answer:

$44.10

Step-by-step explanation:

$8.40÷2= $4.20 for 1 pound of ground beef

so:

10.5 x $4.20= $44.10

hope that helped :)

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2 years ago

PLEASE HELP ILL CHOOSE BRAINLIEST!!!!

MAXImum [283]

30÷4=7.5
45÷7.5=6
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4 0

3 years ago

Read 2 more answers