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Burka [1]
4 years ago
9

Your student class council needs $600 for the Winter Dance. With only $210 in their treasury, the council decided to raise the r

est by selling donut coupons for a profit of $1.50 per dozen. Write and solve an equation to find how many donut coupons they will need to sell
Mathematics
1 answer:
expeople1 [14]4 years ago
6 0

Answer:

$390

Step-by-step explanation:

Need: 600        

Have: 210         600-210=390          

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How do you know if 2x+3y=9xy is linear or nonlinear.
Advocard [28]

We are given equation 2x+3y=9xy.

A linear equation is a equation that has maximum degree of the equation as 1.

Degree is the maximum power(exponent) of the variables.

If two variables are being multiplied together in a term, we can find power of the that term by adding powers of those variables.

In the given equation, on the left side we have two terms 2x and 3y, each opf the variable x, and y has power 1 and right side of the eqaution we have term 9xy. There x and y variables are being multiplied together.

So, the total power of the term would be 1+1=2.

So, the degree of the given equation would be 2.

Because degree of the given equation is not 1. Therefore, given equation is not a linear eqaution and it is a non-linear equation.

6 0
3 years ago
Read 2 more answers
What is the value of x?<br><br> Enter your answer, as a decimal, in the box.
Tasya [4]

Answer:

Step-by-step explanation:

The following ratio solves the problem

AM/MN = x / MP

(67.2 - 32) /67.2 = x / 81.9

35.2 / 67.2 = x / 81.9

Cross Multiply

67.2 * x = 81.9 * 35.2

67.2 x = 2882.88

Divide by 67.2

x = 2882.88 / 67.2

x = 42.9

6 0
3 years ago
Carpet a room 12ft by 8ft. How many yards of sq carpet
ira [324]
You need 96 Square yards of carpet
3 0
4 years ago
Sparky the Bear is atop a 100 foot tower. He is looking out over a fairly level area for careless people who might start fires.
Bogdan [553]

The distance of sparky to the fire is 99.445 feet

<h3>Application of SOH CAH TOA identity</h3>

Given the following parameters

The angle of depression = 6  degrees

If Sparky is looking over the fairly level, hence the hypotenuse is 100 foot

Required

Distance from spark tower to the fire

Using the expression below

Cos 6 = D/100

D = 100cos6

D = 100(0.9945)
D = 99.45foot

Hence the distance of sparky to the fire is 99.445 feet

Learn more on SOH CAH TOA here: brainly.com/question/20734777

3 0
2 years ago
Slope and y intercept <br> y-2x=9
scoundrel [369]
Y=2x-9
therefore, slope is 2 and y-intercept is 9
7 0
3 years ago
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