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SSSSS [86.1K]
3 years ago
13

Help please? i would really appreciate it.

Mathematics
1 answer:
raketka [301]3 years ago
6 0

Answer:

The answer is option C i.e; y=0.9x-45

Step-by-step explanation:

When you substitute the values of x you have to get same values as given in the table

For example: substitute x=50 in the equation y=0.9x-45

Y= 0.9(50)-45

Y= 45-45

Y=0


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Eq 1 X+Y=16 <br> Eq 2 6x+9y=120<br><br> Solve by substitution <br> Solve step by step
Alexxx [7]

Answer:

X = 8, Y = 8

Step-by-step explanation:

Step 1) Solve for Y w/ bottom equation to yield - y = -2/3x + 40/3.

Step 2) substitute equation into x + y = 16 to get 1/3x + 40/3 = 16 multiply by 3 to clear the fractions and get x + 40 = 48 - subtract 40 by both sides to get x = 8.

Step 3) Plug x = 8 into the bottom equation to get 48 + 9y = 120, subtract 48 by both sides to get 9y = 72 and then divide by 9. The product is y = 8.

7 0
2 years ago
This information is for credit card with a _______ APR.
otez555 [7]

Answer:

d. 0%

Step-by-step explanation:

4 0
2 years ago
Help me with this yes im lazy 2 pages thats it.
valentinak56 [21]

Answer:

2.)\frac{1}{4}/3=\frac{1}{4}*\frac{1}{3}=\frac{1}{12} s yes she is correct

3.)\frac{1}{5}*\frac{1}{7}

4.)C\frac{1}{5}/2= \frac{2}{5},D\frac{1}{12}/5=\frac{1}{60},E

6.)\frac{1}{8}/3=\frac{1}{24}

Step-by-step explanation:

im not very good at word problems so i didnt do the secnd page sorry

5 0
3 years ago
Is the relationship between the temperature scales proportional
Marta_Voda [28]
A proportional relationship would look like y=mx (no y-intercept).

The formula for temperature Fahrenheit involves an offset (y-intercept); this is one reason I claim that the relationship in question is NOT proportional.
8 0
3 years ago
A quantity of tea is sold at Rs 48 per kg at a profit of 20%. The total gain is RS90 .What is the quantity of tea sold?​
kirza4 [7]

Answer:

1.875kg

Step-by-step explanation:

48 - 1000g

90 - x

48x = 90000

x = 90000/48

  = 1875g = 1.875kg

<em>Feel free to mark as brainliest :D</em>

8 0
3 years ago
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