2 years ago

Help will be greatly appreciated!!! Write the system of equations for these two lines.

Mathematics

1 answer:

Darya [45]2 years ago

5 0

Answer:

See answer below:

Step-by-step explanation:

Blue: y=2x+1

Red: y=3x-2

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Ad is tangent to circle o at d. find ab. round to the nearest tenth if necessary

Naddik [55]

Check the picture below.

$\bf 0=AB^2+6AB-121\implies \stackrel{\textit{using the quadratic formula}}{AB=\cfrac{-6 \pm \sqrt{6^2-4(1)(-121)}}{2(1)}}
\\\\\\
AB=\cfrac{-6 \pm \sqrt{520}}{2}\implies AB=\cfrac{-6 \pm \sqrt{4\cdot 130}}{2}
\\\\\\
AB=\cfrac{-6 \pm \sqrt{2^2\cdot 130}}{2}\implies AB=\cfrac{-6 \pm 2\sqrt{130}}{2}
\\\\\\
AB=-3\pm\sqrt{130}\implies AB=
\begin{cases}
\boxed{-3+\sqrt{130}}\\\\
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\end{cases}$

since the distance AB cannot be a negative value, thus is not -3-√(130).

3 0

3 years ago

Read 2 more answers

John has $50.00. He owes his friend Beth $100.00. He owes his mother 1/4 of the amount he owes Beth. How much more money dose Jo

Scorpion4ik [409]

Answer: He owes Beth and his mom $125

Step-by-step explanation:

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2 years ago

What is the mean of the following set of numbers rounded to the nearest whole number?

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The mean is when you add up all the numbers and divide by the amount of numbers there are.
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