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marissa [1.9K]
3 years ago
14

What two things make a graph proportional?​

Mathematics
2 answers:
sp2606 [1]3 years ago
6 0
The y intercept and the gradient
pychu [463]3 years ago
4 0
The y can interpret the and gradient
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A store has 125 scientific calculators.
aleksley [76]

Answer:

Brand x: 80

Brand y: 45

Step-by-step explanation:

x + y = 125

20x + 15y = 2275

    -20x - 20y = -2500

(+)  20x + 15y = 2275

--------------------------------

               -5y = -225

y = 45

x + y = 125

x + 45 = 125

x = 80

Answer:

Brand x: 80

Brand y: 45

7 0
3 years ago
PLEASE HELP - need full solution and steps<br> please don't put some random answer for the points
artcher [175]

Answer:

Answer:

coool bro but i dont rememeber asking

Explanation:

Step-by-step explanation:

5 0
3 years ago
A cube an edge length is 18in. What is it's volume?
Maksim231197 [3]
The answer would be 18*18*18=5832
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5 0
3 years ago
The sum of two numbers is 72 while the difference between the numbers is 25. the larger of the numbers is
7nadin3 [17]
2 equations:  the first one is the sum of 2 unknown numbers x and y: x + y = 72. Now the difference is 25, so x - y = 25. Solve the first equation for y: y = 72 - x. Sub that into the second equation to solve for x: x - (72 - x) = 25. x - 72 + x = 25 and 2x - 72 = 25.  Therefore, 2x = 97 and x = 48.5  That's the larger of the 2 numbers; since we subtracted y from x we defined x as the larger of the 2.  Just for fun, plug x in to find that y = 23.5
7 0
3 years ago
Find the equation of the line using the point-slope forumla. Write the final equation using the slope-intercept form. parallel t
Greeley [361]

Answer:

see explanation

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y-intercept )

y = 3x - 2 is in this form with slope m = 3

• Parallel lines have equal slopes

Hence the slope of the parallel line = 3

The equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b) a point on the line

here m = 3 and (a, b) = (- 3, - 14), hence

y + 14 = 3(x + 3) ← in point- slope form

Distribute and simplify

y + 14 = 3x + 9 ( subtract 14 from both sides )

y = 3x - 5 ← in slope- intercept form


6 0
3 years ago
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