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777dan777 [17]
3 years ago
8

Sasha noticed that the graph of the sales of yearbooks represented a proportional relationship. How could she have calculated th

e constant of proportionality by looking at the graph
Mathematics
2 answers:
Usimov [2.4K]3 years ago
6 0
To find the constant of proportionality<span> here let's look at the </span>equation<span> of a line for a straight graph that passes through the origin. y is your vertical y-value for any given point on the line, x is your horizontal x-value for any given point on the line, and m is the slope.</span>
Crank3 years ago
4 0

Answer:

she could divide any y-value by its corresponding x-value

Step-by-step explanation:

you're welcome :)

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Simplify. Use the distributive property. 5(3x+1)​
vlada-n [284]

Answer:

15x+5

Step-by-step explanation:

First you distribute the 5 to the 3x ( 5 times 3x=15x)

Next you distribute the 5 to the 1 (5 times 1=5)

Finally you put the two answers together 15x+1

you cant simplify it anymore because you cannot add 15x to 1

6 0
3 years ago
Cosx.cosecx + sinx.secx
ElenaW [278]

Answer:

what does this mean

Step-by-step explanation:

huh I don't get it plz explain

8 0
2 years ago
The perimeter of a triangle is 82 feet. One side of the triangle is 2 times the second side. The third side is 2 feet longer tha
andrezito [222]

Answer:

first side=40

second side=20

third side=22

Step-by-step explanation:

LET THE SIDES OF THE TRIANGLES BE y

Perimeter=82

first side=2 x y = 2y

second side=y

third side=2 +y

2y + y + 2 + y=82

4y+2=82

4y= 82-2

4y=80

y=80/4

y=20

first side=2y=2(20)=40

second side=y=20

third side= 2 + y= 2 + 20 = 22

3 0
3 years ago
The sum of the real numbers x and y is 11. Their difference is 5. What is the value of xy
Veseljchak [2.6K]

Answer:

x=6 y=5

Step-by-step explanation:

3 0
3 years ago
Plz help. Simplifying simplify the answers
galben [10]
9/32
1/3
1/9
7/18
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5/44
Still in fractions?
6 0
3 years ago
Read 2 more answers
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