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zhuklara [117]
3 years ago
7

What is the experimental probability of the spinner landing on red?

Mathematics
1 answer:
dsp733 years ago
4 0
<span>There’s a spinner with 8 sections in total with different colors. 2 red, 2 green, 2 yellow, and 2 blue.

To find the probability of the spinner landing on any color, simply take
(number of color)/(total)

To find the probability of landing on red, there are 2 reds, and 8 total. So,
2/8 = 1/4

To find the probability of landing on blue, there are 2 blues, and 8 total. So, 2/8 = 1/4. The same as before.


Flipping a coin gives a 50/50 or equal chance between two events. We should pick the answer that has only two events. That would be a true/false test since there are only two choices in this situation.</span>
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What is the equation of the line that passes through the point (3, 0) and is perpendicular to the line 2x – y = 5?
Lisa [10]

Answer:

\large\boxed{y=-\dfrac{1}{2}x+\dfrac{3}{2}}

Step-by-step explanation:

\text{Let}\ k:y=_1x+b_1\ \text{and}\ l:y=m_2x+b_2.\\\\l\ \perp\ k\iff m_1m_2=-1\to m_2=-\dfrac{1}{m_1}\\============================\\\\\text{We have}\ 2x-y=5.\\\\\text{Convert to the slope-intercept form y = mx + b:}\\\\2x-y=5\qquad\text{subtract 2x from both sides}\\\\-y=-2x+5\qquad\text{change the signs}\\\\y=2x-5\to m_1=2\\\\\text{Therefore}\ m_2=-\dfrac{1}{2}.

\text{The equation of the searched line:}\ y=-\dfrac{1}{2}x+b.\\\\\text{The line passes through }(3,\ 0).\\\\\text{Put the coordinates of the point to the equation.}\ x=3,\ y=0:\\\\0=-\dfrac{1}{2}(3)+b\\\\0=-\dfrac{3}{2}+b\qquad\text{add}\ \dfrac{3}{2} \text{to both sides}\\\\b=\dfrac{3}{2}

8 0
3 years ago
Covert to slope intercept form : 9x - 7y = -7
denpristay [2]
Y= 9/7x + 1 ^^^^^^^^
7 0
3 years ago
69. The O'Brien's had $400.0 in a special
charle [14.2K]

Hello :D

$40.00 x 3 = $120.00

$20.00 x 2 = $40.00

$120.00 + $40.00 = $160.00

$400.00 - $160.00 = $240.00

There is $240.00 left in the account.

5 0
3 years ago
Homeowners insurance covers loss of a home caused by which of the following two factors?
denis23 [38]
The first and the third option are correct. if you fail to do the second and last they will take away your house lol
7 0
3 years ago
Read 2 more answers
Given: ΔABC; b= 10; c = 14, and ∠A = 54°. Find the length of side a to the nearest whole number.
algol13
We can solve for the length of side a to the nearest whole number using the Laws of Cosines such as the formula is shown below:
a²=b²+c²-2bcCosA
Solving for the value of a, we have:
a²=10²+14²-2(10)(14)cos54°
a²=131.42
a=11.46
The answer is 11.46 or 11.5.
8 0
3 years ago
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