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LenKa [72]
2 years ago
14

A spinner has the colors red, blue, and green on it. Maria spins it 30 times, and it lands on red 12 times. What is the experime

ntal probability of spinning a red?​

Mathematics
1 answer:
beks73 [17]2 years ago
6 0

The probability of spinning a red is 2/5

<h3>Probability</h3>

Probability is the likelihood or chance that an event will occur

  • Probability = Expected/Total outcome

Given the following information

  • Total number of spin = 30 spin
  • Number of times it lands on red = 12 times

Pr(spinning a red) = 12/30

Pr(spinning a red)  = 2/5

Hence the probability of spinning a red is 2/5

Learn more on probability here: brainly.com/question/25870256

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Aleks04 [339]

Answer:

A is the answer

// x = -2(y + 3)2-1

4 0
1 year ago
If y varies directly as x and y = 21 when x = 5, find x when y = 42.
Lorico [155]

Answer: 10

<u>Step-by-step explanation:</u>

varies directly means: \frac{y}{x} = k

Step 1: solve for k   ⇒  \frac{21}{5} = k

Step 2: plug in the given value and k to solve for the missing value: \frac{42}{x} = \frac{21}{5}

42(5) = 21(x)

\frac{42(5)}{21} = \frac{21(x)}{21}

2(5) = x

10  = x


5 0
3 years ago
What is HL???<br><br> HL=__<br><br> Image Below
Advocard [28]

Consider a trapezoid GJKF with:

GH=JH (hypothesis)

FL=KL (hypothesis)

so HL is the median of trapezoid GJKF

so: HL=1/2(2.5+1.2)=1.85

4 0
2 years ago
Brian multiplied his average speed of 14.73 miles per hour by the amount of time he spent cross-country skiing. His product was
Gekata [30.6K]

Answer:

12.2*1=12.2

12.2*0.45=5.49

5.49+12.2=17.69

Step-by-step explanation:

5 0
2 years ago
Can someone help me with these 2 last homework questions<br><br> Thanks
Eva8 [605]
31a) Think of $30.90 as 100% of her bill, we first want to find 6%
To work out how much this is, we need to divide the percentage by 100 to get a multiplier (decimal)
6/100 = 0.06
Multiply 0.06 and $30.90 to get the tax
$30.90 x 0.06 = 1.854
As we can't have part of a cent, we round to the nearest 100th
If the number to the right of this value is below 5 we round down, 5 or more we round up
4 is below 5 so we round down
$1.85

31b) For the total bill, we need to add together the original and the tax
$30.90 + $1.85 = $32.75

32a) Simple Interest = PRT
This means
P x R x T
We need to multiply together the Principal, Rate and Time span
We need to turn the percentage into a decimal, so we divide by 100 like before
3.2 / 100 = 0.032
$750 x 0.032 x 6 = $144

32b) To find the account balance, we need to add the interest to the original amount
$750 + $144 = $894
6 0
3 years ago
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