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tamaranim1 [39]
3 years ago
11

This graph shows a proportional relationship. What is the constant of proportionality? Enter your answer as a ratio in simplifie

d form in the box. $$ A graph with a line running through coordinates left parenthesis 0 comma 0 right parenthesis and coordinates left parenthesis 2 over 3 end fraction comma 3 over 4 end fraction right parenthesis.
plezz help fro a mager test
Mathematics
2 answers:
VladimirAG [237]3 years ago
8 0

Answer:

\frac{9}{8}

Step-by-step explanation:

The constant of proportionality is the slope, k,  of the line in the formula:

y = kx

The constant of proportioanlity can be calculated using the formula for slope:

k=\frac{y_{1}-y_{2}}{x_{1}-x_{2}}\\\\k=\frac{\frac{3}{4}-0}{\frac{2}{3}-0}\\\\k=\frac{\frac{3}{4}}{\frac{2}{3}}\\\\k=\frac{3}{4} *\frac{3}{2} \\\\k=\frac{9}{8}

AnnyKZ [126]3 years ago
4 0

The answer is 5/4. I just took the test.

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Sav [38]
Your going to have to use the distance formula for these questions which is the square root of (x sub 2 - x sub 1) + (y sub 2 - y sub 1). For number 1 your coordinates are (-5,5) and (1,-2). Substituting these values into the formula your answer for number 1 is 9.2.
4 0
3 years ago
The area of a square poster is 31 square inches. find the length of one side of the poster. Explain
kobusy [5.1K]

Answer:

5.57

Step-by-step explanation:

In order to find the are of a square you would use the equation <em>a²</em>. However, since you are finding the length of one side and its a square, you use the equation \sqrt{a}. The area of this square is 31 sq in., so you would replace a with 31. The equation then becomes \sqrt{31}<em>. </em>When out into a calculator, the answer is 5.567764... which rounded up to the nearest hundreth is 5.57.

5 0
3 years ago
Please help me I don’t understand
postnew [5]

Answer:

$70

Step-by-step explanation:

If the account start with $95, and you deposited $15:

95+15 = $110

After that, you took 65:

110 -65 = $45

After you deposited $40:

45 + 40 = $85

And for last you took more 15:

85 -15 = $70

5 0
3 years ago
Car insurance of 800 Is twice what it was a decade ago. Find the cost of the insurance then​
mr Goodwill [35]

Answer:

it was 400 back then, a decade ago

Step-by-step explanation:

6 0
3 years ago
Log2(3x+1)=log4(x+8)
lara31 [8.8K]

Answer:

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Step-by-step explanation:

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