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Svetradugi [14.3K]
3 years ago
13

PLS HELP ASAP FOR BRAINLIEST

Mathematics
1 answer:
rodikova [14]3 years ago
3 0

Answer:

y=3

Step-by-step explanation:

it is because X=-2 had crossed the point y=3

hope this help you!!!! ;))))))

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Mary French uses gas to heat her home. She has accumulated the following information regarding her monthly gas bill and monthly
garik1379 [7]

Answer:

Y=$24+0.09X

Step-by-step explanation:

From the question we are told that

February Heat H_1=1900\textdegree

February Gas G_1 =\$195

April Heat H_2=600\textdegree

April Gas G_2=\$78

Generally equation for heating degree-days X is mathematically given by

 X=\frac{\triangle gas\ bills}{\triangle Heating\ days}

 X=\frac{195-78}{1900-600}

 X=\$ 0.09

Generally the equation for gas bill Y is mathematically represented by

 Y=78-(600*0.09)\\Y=\$24

The equation representing the relationship between the gas bill (Y) and heating degree-days (X) is

 Y=$24+0.09X

7 0
3 years ago
Armando has collection of 25 coins . Of the 25 coins , 11 are nickles. What percent of the coins are nickles ?
Marysya12 [62]

Answer:

10%

Step-by-step explanation:

3 0
2 years ago
2/3w = 3/4 what’s the equation?
Alex Ar [27]

Answer: w=9/8

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Suppose that y varies jointly with w and x and inversely with z and y = 32- when w = 6, x = 20, and z = 3. Write the equation th
natulia [17]
Y directly proportional to WX  and inversely to Z. 

Y=k(WX)/Z
Where k is the constant of proportionality. 
So, the first thing is to find the value of this constant. 

k = YZ/WX
  = (32×3)/(6×20)
  = 96/120
  = 0.8
The <span>equation that models the relationship will be;
Y = 0.8(WX/Z)</span>
3 0
3 years ago
I mark as brainliest i promise​
Nataly_w [17]

Answer:

32 units

Step-by-step explanation:

2 x 4 x 4 = 32

you mulyiply the height the width and the length

5 0
2 years ago
Read 2 more answers
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