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trasher [3.6K]
2 years ago
13

1 Devin brings 7 dolls to her grandma's house. These dolls represent 20% of Devin's doll collection. What is the total number of

dolls in Anita's doll collection? Show vour answer by doing a double number line or a table.
Mathematics
1 answer:
wel2 years ago
4 0

Answer:

35

Step-by-step explanation:

20% * x = 7

20/100 * x= 7

x = 7 *100/20  (7*100÷20)

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Step-by-step explanation:

3 0
3 years ago
keisha's grandmother gave her a doll that paid $6 for 60 years ago. the doll's current value is $96. its value doubles every 15
kodGreya [7K]
The answer is $1536 I believe
6 0
2 years ago
Christine performed the following experiment 20 times using a book that contains 462 pages.
wel

Using the probability concept, it is found that there is a 0.3 = 30% experimental probability that Christine will randomly choose a page that is divisible by 3.

<h3>What is a probability?</h3>

A probability is given by the <u>number of desired outcomes divided by the number of total outcomes</u>.

In an experimental probability, these number of outcomes are taken from previous trials.

In this problem:

  • The experiment was made 20 times.
  • Of those, in 6 experiments(81, 105, 171, 159, 297, 387) she choose a page that was divisible by 3.

Then:

p = \frac{6}{20} = 0.3

0.3 = 30% experimental probability that Christine will randomly choose a page that is divisible by 3.

You can learn more about the probability concept at brainly.com/question/15536019

7 0
1 year ago
Find the midpoint of the line segment between the points (11, -5) and (-3, -7)
alexdok [17]

Answer:

(4, -6)

Step-by-step explanation:

(x1+x2)/2 + (y1+y2)/2 = midpoint

(11+-3)/2 = 8/2 = 4.     x = 4

(-5 + -7)/2 = -12/2.      y = -6

4, -6 is the midpoint

give brainliest please! hope this helps :)

4 0
1 year ago
What is the area of the square below?
Irina18 [472]

Answer: The answer is 81

Step-by-step explanation:

because 9x9=81 so u don't multiply the whole square like this

9x9x9x9=36 thats wrong and that was my mistake but yeah it would be 81.

8 0
3 years ago
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