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Makovka662 [10]

2 years ago

14

if there was a group of ten people the probability of two of them being born on the same day of the same week is 1? is this corr

ect yes or no explain you answer.

1 answer:

gladu [14]2 years ago

6 0

Answer:yes

Step-by-step explanation:

Im not that good but if there is a birth rate of 1000 people per day then if you estimate that awnser you have a possibility of 60%

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Please answer 4 - 9 will mark brainlyist

miv72 [106K]

There are 180 degrees in a triangle

4. 38+38= 76 degrees

180-76=104

Isosceles, Obtuse

5. 65+ x+x=65

Well we know one of the x

It is 90 degrees because it is a right angle

65+90=155

180-155=25

Scalene, Right triangle

6. 71+45= 116

180-116=64

7. Scalene, acute

8. 126+22=148

180-148=32

Scalene, Obtuse

9. 50+90=140

180-140=40

Right angle, Scalene

Please let me know if i got anything wrong

8 0

2 years ago

A spinner is divided into blue green and red part.George spin the spinner 300 times. It lands 91 times on blue 107 times on gree

Fed [463]

Estimated probability=number of outcomes in question/divided by total number of trials

ep=102/300

ep=51/150 (34%)

3 0

2 years ago

Please help ill give brainliest

Naddik [55]

I think it’s option a

8 0

2 years ago

A ball is dropped from a height of 64 feet. Its height, in feet, can be modeled by the function h(t) = -167 + 64, where t is the

Oliga [24]

Answer:

Step-by-step explanation:

Known facts:

the ball dropped from a height of 64 feet
function $h(t) = -16t^{2} + 64$

First question:

the ball hits the ground when h(t) = 0, thus we get the equation

$-16t^{2} +64 = 0\\16t^{2} = 64\\t^{2} =4\\t = 2$

So the ball hits the ground in 2s

Second question

to find how long it takes the ball to fall 36 feet, we must set h(t) = 64 - 36 = 28

$-16t^{2} +64 = 28\\16t^{2} = 36\\t = \frac{6}{4} =1.5s$

So the ball hits the ground in 1.5s

Hope that helps!

3 0

2 years ago

Members of a basketball team suspect the coin used for the coin toss at the beginning of their games is unfair. They believe it

Nadusha1986 [10]

Answer:

The trial provides enough evidence that the probability of obtaining heads is less than 0.50 and that the coin is unfair.

Step-by-step explanation:

The explanation is in the picture

5 0

2 years ago