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garik1379 [7]
2 years ago
8

Find the mathematical model for the following statement. Remember to use k as the constant of proportionality.

Mathematics
1 answer:
lukranit [14]2 years ago
6 0
P=k•l•v

This is an example of joint variation that takes the form: z=kxy, where k=constant of proportionality.
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Madison works as a salesperson at an electronics store and sells phones and phone accessories, and makes a fixed commission for
Jet001 [13]

Answer:

Price of each phone: \$9

Price of each accessory: \$3.5

Step-by-step explanation:

Let be "p" the  price in dollars of each phone and "a" the price in dollars of each accessory.

Set up a system of equations:

\left \{ {{8p+10a=107} \atop {4p+23a=116.50}} \right.

You can use the Elimination Method to solve the system.

Multiply the second equation by -2 and add both equations:

\left \{ {{8p+10a=107} \atop {-8p-46a=-233}} \right.\\............................\\-36a=-126\\\\a=\frac{-126}{-36}\\\\a=3.5

Substitute the value of "a" into the first equation and solve for "p":

8p+10(3.5)=107\\\\8p=107-35\\\\p=\frac{72}{8}\\\\p=9

4 0
4 years ago
Hi! please help! thank you
Leno4ka [110]

Answer:

1) p≥2

2) e-9=13

3) f<5

Step-by-step explanation:

1) If there are at least two slices left, there could be more, so use p≥2, meaning p is greater than or equal to 2.

2) e is your starting amount, so put that first, then it says it decreases by 9, so it is e-9=13.

3) If there are fewer than 5, it can not be 5 so you use <.

f<5 or gallons is less than 5.

7 0
2 years ago
302 + 12 M equals 278
slavikrds [6]
In the given question there is an equation that has to be solved and the value of the unknown variable "M" has to be determined. It is absolutely possible to find the exact value of the variable "M" as there is 1 equation and 1 variable.
302 + 12 M = 278
12 M = 278 - 302
12 M = - 24
M = - (24/12)
   = - 2
So the value of the unknown variable "M" comes out to be -2. I hope the procedure is clear enough for you to understand and also this is the answer you were looking forward to.
8 0
3 years ago
Read 2 more answers
Which expression is equal to 6(-3m)^4
miskamm [114]
<span>6(-3m)^4
= 6(-3)^4 m^4
= 6(81) m^4
= 486 m^4

on your options answer is </span><span>C.6(-3)^4m^4</span>
6 0
3 years ago
Which of the following fractions is in it's simplest form ? 12/35 8/24 9/27 4/24
o-na [289]

Answer:

12/35

no one number can go into 12 and 35

5 0
3 years ago
Read 2 more answers
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