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3 years ago

I need a little help with this problem: 5k + 1 = 4k - 1

1 answer:

8 0

5k-4k=-1+-1
k=-2, its all aboit rearranging the order of numders based on there like terms. If you need any more help ask.

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If a plane flies 900 mph in calm air and the rate of the wind is r miles per hour then the rate of the plane flying with the win

adoni [48]

The answer is nine.

7 0

3 years ago

Find the circumference in terms of pic if the diameter is 2.5

otez555 [7]

Answer

$C=2.5\pi$

Step-by-step explanation:

Radius is always half of the diameter so, $\frac{2.5}{2} \\$ is equal to $1.25$ .

The Formula for Circumference is $C=2\pi r$

Since we found out the radius, we need to basically substitute (or insert) it into the radius spot so the next step will be: $C=2\pi (1.25)$

Then we multiply (2)(1.25) to get an answer of 2.5 (which we already know)

So our answer is going to be $C=2.5\pi$

Hope this helped and answers your question! Have a great rest of your day/night!

3 0

3 years ago

PLEASE HELP!!!! <br> Solve the system of equation. Write the solution as a coordinate point.

Dovator [93]

We can just substitute y = 4x+1 in the second equation.

$6x-2(4x+1)=-3\\6x-8x-2=-3\\6x-8x-2+3=0\\-2x+1=0\\-2x=-1\\x=\frac{1}{2}$

We know the value of x, substitute x in any equations to get the y-value.

$4x+1=y\\4(\frac{1}{2})+1=y\\2+1=y\\3=y$

The value of y is 3 and the value of x is 0.5 aka 1/2

Since you want the solution as a point then It's below here.

5 0

3 years ago

0/1 Autumn's dog eats the same amount of dog food every day. On day 3, the bag of dog food has 12 pounds of dog food. On day 7,

erma4kov [3.2K]

Answer:

y - 0.5x

Step-by-step explanation:

Given that the dog eats the same amount of food each day and on day 3, the available quantity of food

= 12 pounds

On day 7 (4 days after), the available quantity of food is 10 pounds. The difference in the amount of food in 4 days

= 12 - 10

= 2 pounds

This means that each day, the amount of food eaten by the dog in one day

= 2/4

= 0.5 pound

Hence the amount of dog food in the bag y for any day after opening the dog food x will be given as

= y - 0.5x

6 0

3 years ago

Please me help i tired to solution and its always wrong help me please

Dimas [21]

Answer:

39ft by 34ft

Step-by-step explanation:

4 and 1/3 is equal (by doing 4*3+1)to 13/3 which is equal (by doing 13/3 *3/3)to 39/9 inches which according to the conversion is equal to 39ft

3 and 7/9 is equal (3*9+7)to 34/9 inches which when converted is 34ft

7 0

3 years ago