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kow [346]
3 years ago
7

A kiddie pool holds miniature plastic ducks in different colors. Sophia randomly picks up a duck and then replaces it. She repea

ts this process 100 times. The table shows the results of her experiment.
What is the relative frequency of choosing a red duck? What color of duck is there likely to be the most of in the pool?

A. The relative frequency is 0.3. It is likely that most ducks are blue.
B. The relative frequency is 0.2. It is likely that most ducks are yellow.
C. The relative frequency is 0.3. It is likely that most ducks are yellow.
D. The relative frequency is 0.2. It is likely that most ducks are green.

Mathematics
2 answers:
Monica [59]3 years ago
7 0
The answer is C because there are 30 red ducks and if you put that in a decimal it is 0.3 and if there are more yellow ducks out of all of them
Nataliya [291]3 years ago
6 0
The answer is B the relative frequency is 0.2 it is likely that most ducks are yellow
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Plz. solve this sum
wariber [46]

Answer:

\large\boxed{a-b=11}

Step-by-step explanation:

\text{Use}\ x^2-y^2=(x-y)(x+y).\\\\\text{We have}\\\\a^2-b^2=275\ \text{and}\ a+b=25.\\\\\text{Substitute:}\\\\275=(a-b)(25)\qquad\text{divide both sides by 25}\\\\\dfrac{(a-b)(25)}{25}=\dfrac{275}{25}\\\\\boxed{a-b=11}

5 0
3 years ago
If 64x=82, what is the value of x?<br> Round your answer to three places.
labwork [276]

Answer:

1.28

Step-by-step explanation:

First, you need to do 82/64, which will give you just x. Then, you need to round to three places. Without rounding it would be 1.28125

So with rounding it would be 1.28. Hope this helps and Happy learning!

3 0
3 years ago
a birthday cake at the bakery was $30 originally. During a sale, a discount of 28% was given. A further 15% discount was given t
V125BC [204]

Answer:

$18.36

Step-by-step explanation:

In this question, we have to find the cost of the cake for the customer who orders a month early.

We know that the original price of the cake is $30.

We also know that there was a 28% discount and a 15% discount added to the purchase.

Remember, You don't add discount percentages together, you discount the prices separately.

Solve:

First, apply the 28% discount.

30 · 0.28 = 8.40

30 - 8.40 = 21.60

Now apply the 15% discount to the new price.

21.60 · 0.15 = 3.24

21.60 - 3.24 = $18.36

They needed to pay $18.36 for the cake.

6 0
3 years ago
Is the following conditional true?
vladimir1956 [14]
Yes not sure though but I want to say yes
5 0
3 years ago
77+ 2(3x – 5) = 8 – 3(2x + 1)<br> 78 2 + 3(2 -7) – 0 - 13 I 1).
nika2105 [10]

Answer:

-31/6

Step-by-step explanation:

77+2(3x-5)=8-3(2x+1)

77+6x-10=8-6x-3

77-10+6x=8-3-6x

67+6x=5-6x

67+6x-(-6x)=5

67+6x+6x=5

67+12x=5

12x=5-67

12x=-62

x=-62/12

simplify

x=-31/6

3 0
3 years ago
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