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borishaifa [10]
3 years ago
6

The table and graph below show the amount of money Mi-Ling and Daniel

Mathematics
1 answer:
Over [174]3 years ago
6 0
Is there a math question and can you show it please
You might be interested in
The line of symmetry for the quadratic equation y = ax^2 + 8x - 3 is x = 4. What is the value of "a"?
alexdok [17]

Answer:

a = - 1

Step-by-step explanation:

given a quadratic in standard form : y = ax² + bx + c : a ≠ 0

Then the x-coordinate of the vertex is

• x_{vertex} = - \frac{b}{2a}

The line of symmetry passes through the parabola, hence x-coordinate is 4

y = ax² + 8x - 3 is in standard form

with a = a, b = 8 and c = - 3, hence

- \frac{8}{2a} = 4 ( multiply both sides by 2a

- 8 = 8a ( divide both sides by 8 )

a = - 1



















6 0
3 years ago
Which of the following is considered a model for enzyme action
sergij07 [2.7K]
Answer choices? I can try and figure it out if there are choices
8 0
3 years ago
Can someone please help me please?
max2010maxim [7]

Answer:

B, C, D and E. A and F are incorrect

Step-by-step explanation:

5 0
3 years ago
What are some independent variables that are in some way related to global warming?
Alex73 [517]

The Sun, Earth's orbit, the oceans, greenhouse gases, and dust.

6 0
3 years ago
Can someone help with the two triangle questions (will mark brainliest!!)
yaroslaw [1]

Answer: Number 1 is c=89 ft

Number 2 is b=3 cm

Step-by-step explanation: a²+b²=c²

For number 1, 39 ft is a and 80 ft is b so

39²+80²=c² so 39² is 39x39=1521 and 80² is 80x80=6400 so 6400+1521=7921

7921=c² and the square root of 7921 is 89 so c=89 ft

For number 2, a=1.6 cm and c=3.4 cm so 3.4²-1.6²=b²

3.4² so 3.4x3.4 which is 11.56

1.6² so 1.6x1.6 which is 2.56

11.56-2.56=c² and 11.56-2.56=9

Square root of 9 is 3 so b=3

So number 2 answer is b=3 cm

I hope this helps

4 0
3 years ago
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