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Svetach [21]
3 years ago
6

Use the bar graph to find the experimental probability of the event.

Mathematics
1 answer:
uysha [10]3 years ago
6 0

Answer: where is the bar graph?

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Please help please help please help you
tatyana61 [14]
40 students prefer vanilla. To get this answer you need to multiply 200 times 0.2 because you are trying to find 20%
4 0
2 years ago
Read 2 more answers
3a + 2b, when a = 10 and b= 5
tia_tia [17]

Answer:

40

Step-by-step explanation:

3a + 2b =

3(10) + 2(5)

30 + 10 = 40

I hope this helps!

Have a great day!

8 0
2 years ago
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In a random sample of 205 people, 149 said that they watched educational television. Find the 95% confidence interval of the tru
tensa zangetsu [6.8K]

Answer: Given a sample of 200, we are 90% confident that the true proportion of people who watched educational TV is between 72.1% and 81.9%.

Step-by-step explanation:

\frac{154}{200} =0.77

1-0.77=0.23

\sqrt{\frac{(0.77)(0.23)}{200} }=0.049

0.77±0.049< 0.819, 0.721

6 0
3 years ago
What does x equal if the equation is x+2.62=6.37
KengaRu [80]

Answer:

x=3.75

The drawing will help

5 0
3 years ago
Which shows the correct substitution of the values a, b, and c from the equation 0 = – 3x2 – 2x + 6 into the quadratic formula?
lbvjy [14]

Answer:

x = StartFraction negative

(negative 2) plus or minus StartRoot (negative 2) squared minus 4 (negative 3)(6) EndRoot Over 2(negative 3) EndFraction

Step-by-step explanation:

0 = – 3x2 – 2x + 6

It can still be written as

– 3x2 – 2x + 6 =0

Quadratic formula=

-b+or-√b^2-4ac/2a

Where

a=-3

b=-2

c=6

x= -(-2)+ or-√(-2)^2-4(-3)(6)/2(-3)

x = StartFraction negative

(negative 2) plus or minus StartRoot (negative 2) squared minus 4 (negative 3)(6) EndRoot Over 2(negative 3) EndFraction

8 0
3 years ago
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