roger completed a probability experiment with a coin. he flipped the coin 32 times, and it landed on tails eight times. he looked at the results of his experiment to determine the ratio of heads outcomes to tails outcomes.

Answers

Answer 1

Answer: I don't know what this question is asking exactly, but if i am right, it is asking for the ratio of heads flipped to tails flipped. If this is correct, then the ratio would be 24 to 8. My reasoning for this is, it already tells you that you have 8 times that tails was flipped, and all you have to do to figure out the amount of times heads if flipped it to subtract: 32-8=24, so that means that heads was flipped a total of 24 times. The last thing that you have to do is to put it into a ratio, and in the order it gives you initially, which would make the answer (3 ways):

1) 24 to 8
2) 24 : 8
3) 24/8

I hope this helps you.

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The owner of a dress shop ordered 33 dresses from a new designer. The designer's dresses now make up to 30% of all dresses in the shop. How many dreses are in the shop in all?

Answers

30 33
-----= ----
100 ?
To find this we need to find what makes 30 into 33. 33 divided by 30=1.1
To find ? we need to reverse since it's on the other side. 100 x 1.1=110
110 dresses in total.

Solve the following when x=3
6x - 3x -5.

Answers

6(3)-3(3)-5 =4 just substitute it

6x - 3x -5
x = 3

Substitute and solve.

6(3) - 3(3) - 5
18 - 9 - 5
9 - 5
4

Answer: 4

The function f(x) = –x2 − 2x + 15 is shown on the graph. What are the domain and range of the function? The domain is all real numbers. The range is {y|y < 16}. The domain is all real numbers. The range is {y|y ≤ 16}. The domain is {x|–5 < x < 3}. The range is {y|y < 16}. The domain is {x|–5 ≤ x ≤ 3}. The range is {y|y ≤ 16}. Mark this and return Save and Exit Next

Answers

Answer:

The domain is all real numbers. The range is {y|y ≤ 16}.

Step-by-step explanation:

The vertex of a parabola is given by

$((-b)/(2a), (4ac-b^2)/(4a))$ .

As a = -1, b = -2, c= 15 here, then the vertex is at (1,16).

As a is negative, it opens downward, so the range is {y|y ≤ 16}.

Meanwhile, all parabolic functions have a domain of $\mathbb{R}$ .

Answer:

The domain is all real numbers and the range is {y|y <= 16}

Its the second choice.

Step-by-step explanation:

took the test on edge, hope it helps!

Kevin claims he can draw a trapezoid with three right angles. Is this possible? Explain.

Answers

nope a trapezoid only has two right angles

Which pair of parenthesis can be removed without changing the value of the expression?

Answers

The pair of parenthesis that can be removed without changing the value of the expression is "parenthesis around 5 × 8"

Given expression:

(1 + 2) × (6 - 3) + (5 × 8) + (9 - 4)

Using BODMAS

B = bracket
O = of
D = division
M = Multiplication
A = Addition
S = Subtraction

(1 + 2) × (6 - 3) + (5 × 8) + (9 - 4)

= 3 × (3) + 40 + 5

= 9 + 40 + 5

= 54

Remove parenthesis around 5 × 8

(1 + 2) × (6 - 3) + 5 × 8 + (9 - 4)

By removing the parenthesis around 5 × 8, you still have to multiply before adding according to the rule of BODMAS

Therefore, the pair of parenthesis that can be removed without changing the value of the expression is "parenthesis around 5 × 8"

Learn more about BODMAS:

brainly.com/question/24491237

C is the correct answer as it's multiplication, meaning it would be done first anyway.

Im having trouble finding facts that are in scientific notation. a good example is: a microbe is 1.23*10^-3 small. (this is not a real fact I just made this up.)

Answers

mass of electron:9.109 times 10^-31 kg
mass of proton: 1.673 times 10-27
speed of light=3.0 times 10^8
avogadro's number 6.02 times 10^32
planck's constant: 6.63 times 10^-34
just google chem constants sheet

mass of electron:9.109 times 10^-31 kg
mass of proton: 1.673 times 10-27
speed of light=3.0 times 10^8
avogadro's number 6.02 times 10^32
planck's constant: 6.63 times 10^-34
I just searched on bing!
Hope it helps!

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