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Temka [501]
3 years ago
15

What is the solution to the system of equations below?

Mathematics
2 answers:
Nutka1998 [239]3 years ago
6 0
Answer: (-6,8)
Explanation:
natima [27]3 years ago
4 0
A) (-6,8)
i used the substitution method
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Use the graph to write a linear function that relates y to x .
sergiy2304 [10]

Answer:

2y = x + 2

Step-by-step explanation:

Looking at the graph, we can see from one point to the next (from right to left), the x-value rises by 2 and the y-value by 1;

From this we can work out the gradient between two points using the formula, i.e. the change/difference in y divided by the change/difference in x:

m = \frac{dy}{dx} = \frac{1}{2}

Joining the points gives a straight line, which means a constant gradient of ¹/₂

Use the line equation formula to get the function:

y - y₁ = m(x - x₁)

m = ¹/₂

x₁ = 0

y₁ = 1

y - 1 = ¹/₂.(x - 0)

y - 1 = ¹/₂.x

2y - 2 = x

2y = x + 2

8 0
3 years ago
K - 263.48 = 381.09 solve this equation
Sedbober [7]
K-263.48=381.09
we add 263.48 on both sides
k=644.57
7 0
3 years ago
Read 2 more answers
Please help!! i need to know very soon!
xeze [42]

Answer:

about 46

Step-by-step explanation:

7 0
3 years ago
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Need help!! You can buy 10 yogurts for $6.50. How much would it cost for nine yogurts!?
ahrayia [7]

To solve this problem, you should find the rate --->  cost per yogurt (cost/yogurt)

$6.50/10 yogurts = $0.65/yogurt

It costs $0.65 per yogurt, so you can multiply 9 by $0.65 to find the total cost of 9 yogurt.

9(0.65) = $5.85

6 0
3 years ago
Which equation represents the line that passes through (-8.11) and<br>(4,7/2)?​
Len [333]

Answer:

y=-5/8x+6

Step-by-step explanation:

m=\frac{7/2 - 11}{4--8}

m=\frac{-15/2}{12}

m=-5/8

y=-5/8x+b

(-8,11)

11=-5/8 \times -8+b

b=11-(-5/8)(-8)

b=6

6 0
3 years ago
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