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Slav-nsk [51]
2 years ago
9

Please Help ASAP and please show your work​

Mathematics
1 answer:
netineya [11]2 years ago
8 0

Answer:

C. 5x10^-10

Step-by-step explanation:

That equations answer is 5e-7, or 0.00000005, and C is equal to 0.000000005.

You might be interested in
In f(x) = 2x2 − 8x − 10, the y-intercept is ? at ? and the x-intercepts are (-1, 0) and ? .
IgorLugansk [536]
<h2>1.  y-intercept</h2>

\boxed{(0,-10)}

The quadratic function f(x)=2x^22-8x-10 represents a parabola. In fact, the graph of a quadratic function is a special type of U-shaped curve called a parabola. To find the y intercept, we set x=0 as follows:

f(x)=2x^2-8x-10 \\ \\ If \ x=0 \rightarrow f(0)=-10 \\ \\ Then \ y-intercept: \\ \\ (0,-10)

<h2>2.  x-intercepts</h2>

\boxed{(-1,0) \ and \ (5,0)}

To find the other x-intercept, we must set y=0 as follows:

f(x)=2x^2-8x-10 \\ \\ If \ y=0 \rightarrow 2x^2-8x-10=0 \\ \\ Using \ the \ quadratic \ formula: \\ \\ x=\frac{-b \pm \sqrt{b^2-4ac}}{2a} \\ \\ \therefore x=\frac{-(-8) \pm \sqrt{(-b)^2-4(2)(-10)}}{2(2)} \\ \\ \therefore x_{1}=-1 \ and \ x_{2}=5

Therefore, the other x-intercept is (5,0). You can see both the y-intercept and the x-intercepts in the figure below.

8 0
3 years ago
Need help will give you the brainliest
almond37 [142]

Answer:

147?

Step-by-step explanation:

8 0
3 years ago
(4plus2) - 7 times 2
mote1985 [20]

Answer:

-8

Step-by-step explanation:

Brackets go first, (4+2)=6

Then multiplication, 7x2=14

Lastly, combine them: 6-14 = -8

7 0
3 years ago
Add. Write your answer in simplest form.
AleksAgata [21]

Answer: B. 1 7/36

Hope that helped! :)

6 0
2 years ago
Need help with this problem
Alecsey [184]

Answer:

x = 6

Step-by-step explanation:

6 0
2 years ago
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