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mojhsa [17]
3 years ago
9

What are the constants in this expression?

Mathematics
1 answer:
grandymaker [24]3 years ago
6 0
The constants in this expression are:
B.) -3 and 2/3
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3x-2y=13 2x+3y=-16 are these lines parallell or perpendicular or neither
Lelechka [254]
3x - 2y = 13
-2y = -3x + 13
y = 3/2x - 13/2...slope is 3/2, y int is -13/2

2x + 3y = -16
3y = -2x - 16
y = -2/3x - 16/3...slope = -2/3, y int is -16/3

perpendicular lines will have negative reciprocal slopes. To find the negative reciprocal of a number, flip the number and change the sign.
On the 1st equation, the slope was 3/2....find its negative reciprocal.....flip it, making it 2/3....change the sign...making it -2/3. So the negative reciprocal of 3/2 is -2/3. 

So if one equation has a slope of 3/2 and another equation has a slope of -2/3, then these lines are perpendicular <==
6 0
3 years ago
The slope of the line in the graph is_
goldfiish [28.3K]

Answer:

y=3x-4 is the equation of the line. so the slop of the line is 3x and the y-intercept is -4.

Step-by-step explanation:

i hope this helps :)

8 0
3 years ago
Please Helpppppppppp!!!!!!!!!!!!!!!
viktelen [127]

Answer:

122/3435.35/67

Step-by-step explanation:

7 0
2 years ago
The diameter of a circle is 55 inches.<br><br> ​<br><br> ​Find the length of its radius.
AysviL [449]

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27.5

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6 0
3 years ago
Read 2 more answers
1413 A B 1 1 1 2 1 1 1 Each lunch must provide at least 6 units of fat per serving, no more than 7 units of protein, and at leas
Rainbow [258]

Solution :

It is given that a large institution is preparing food menus which contains foods A as well as B.

Each lunch provides :

10 units of carbohydrates

6 units of fats

7 units of proteins

The food from A cost = $0.12 per ounce

And food from B cost = $0.08 per ounce

Objective function :

$C= 0.12x+0.08y$

Constraints : $x\geq 0, y \geq 0, x+y \geq 6, 2x+y \geq 10, x+y \leq 7$

Domain : $3 \leq x\leq 7$

Range : $0\leq y\leq4$

6 0
3 years ago
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