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iogann1982 [59]
2 years ago
6

Solve for the missing side length for the triangle below

Mathematics
1 answer:
miskamm [114]2 years ago
6 0
It is the square root of 389 or approx. 19.72
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Through: (-3,0), perp. to y = 3x - 1
Marrrta [24]

Answer:

y=-\dfrac{1}{3}x-1

Step-by-step explanation:

<u>Given: </u>

line y=3x-1

point (-3,0)

<u>Write:</u> equation of the line that is perpendicular to the given and passes through the point (-3,0)

<u>Solution:</u>

The slope of the given line is m=3

If m_1 is the slope of perpendicular line, then

m\cdot m_1=-1\\ \\3m_1=-1\\ \\m_1=-\dfrac{1}{3}

So, the equation of the needed line is y=-\dfrac{1}{3}x+b.

Find b. This line passes through the point (-3,0), so its coordinates satisfy the equation:

0=-\dfrac{1}{3}\cdot (-3)+b\\ \\0=1+b\\ \\b=-1\\ \\y=-\dfrac{1}{3}x-1

7 0
3 years ago
A(n) ______ is a letter or symbol that represents some unknown value.
Nuetrik [128]
The answer is "variable"

4 0
3 years ago
Given the speeds of each runner below, determine who runs the fastest.
shutvik [7]

Answer:

Adam is the fastest runner

5 0
3 years ago
Can you help me with this question I rlly need it rn and please use the options it gives you thank you&lt;3
Jet001 [13]

Answer:  Choice C

Closed filled in circle at -3; shading to the right.

========================================================

Explanation:

Follow the steps shown below to isolate x. Note that the inequality sign flips when we divide both sides by a negative number.

-4x+8 \le 20\\\\-4x \le 20-8\\\\-4x \le 12\\\\x \ge 12/(-4)\\\\x \ge -3\\\\

Here's another way to isolate x

-4x+8 \le 20\\\\8 \le 20+4x\\\\4x+20 \ge 8\\\\4x \ge 8-20\\\\4x \ge -12\\\\x \ge -12/4\\\\x \ge -3\\\\

The inequality sign flip happens much earlier when we go from the format of A \le B to B \ge A  (in step 3)

The graph of this will have a closed filled in circle at -3, then shading to the right to describe all values -3 or larger.

This is why we go for choice C.

8 0
2 years ago
A=v1-v0/t solve for v1
Tom [10]
A=v1-v0/t
a*t=v1-v0
(a*t)+v0=v1
3 0
3 years ago
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