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Degger [83]
2 years ago
11

Jyoti collects stamps. The table shows the number of stamps she collected over a 12-week period.

Mathematics
1 answer:
vagabundo [1.1K]2 years ago
5 0
Where is the table? i need it to answer the question
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What is the vertex of the parabola<br> 1. (-1,0)<br> 2. (0,-3)<br> 3. (1,-4)<br> 4. (3,0)
larisa [96]
The answer is (1,-4)
Remember that the vertex is the center of the parabola.
3 0
3 years ago
Proportional relationships! <br> Need help on!
Jlenok [28]
Direct variation has this equation:

y = kx

where k is the constant of variation

y = -5 ; x = -15

y = kx
-5 = k(-15)
-5/-15 = k
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Choice D. y = 1/3 x 
7 0
3 years ago
twice a number plus another number is 310. The difference between the two numbers is 55. What are the two numbers
Masteriza [31]
T us assume the two numbers to be "x" and "y".
Then
2x + y = 310
And
x - y = 55
Let us take the second equation and find the value of x in relation to y.
x - y = 55
x = y + 55
Now let us put the value of x in the first equation, we get
2x + y = 310
2(y + 55) + y = 310
2y + 110 + y = 310
3y = 310 - 110
3y = 200
y = 200/3
   = 66 2/3
Now putting the value of y in the second equation, we get
x - y = 55
x - (200/3) = 55
3x - 200 = 55 * 3
3x = 165 + 200
x = 365/3
   = 121 2/3
So the value of x is 121 2/3 and the value of y is 66 2/3

3 0
3 years ago
Read 2 more answers
Solve the equation for y 2x+6y=13
m_a_m_a [10]
I hope this helps you



6y=13-2x


y=13-2x/6


y=13/6-1/3x
8 0
3 years ago
Read 2 more answers
Please help me with this question
yanalaym [24]
The answer is D because the slope formula shows that the answer is C or D and C would not make sense because the y intercept is impossible
6 0
3 years ago
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