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bogdanovich [222]
3 years ago
9

3. A bag contains 46 blue ballons, 30 red ballons, and 24 purple ballons.

Mathematics
1 answer:
zalisa [80]3 years ago
3 0
A because all of the numbers add up to 100 and there is 30 red so that would make it 30/100 and simplified it would be 3/10
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The histogram to the right represents the weights​ (in pounds) of members of a certain​ high-school math team. How many team mem
Luden [163]

Answer:

19

Step-by-step explanation:

The vertical axis of a histogram indicates the total amount of people that meet the weights indicated in the x-axis in the analysed population.  From data we can construct the following table:

x-axis   y-axis  

115        1

135       4

155       3  

175        1  

195       5  

215       2  

235      3

So there are: 1+4+3+1+5+2+3 = 19 team members included in the​ histogram.

5 0
2 years ago
Adrianne wanted to donate some of her shoes to the homeless. She had a total of 28 pairs of shoes in her closet, 75% of them wer
GuDViN [60]

Answer:

7

Step-by-step explanation:

75% of 28 is 21

21-28=7

21 pairs donated

7 left

3 0
3 years ago
Read 2 more answers
The robot poured too many ingredients in, and had 1/2 cup of apple pie filling left. He decided to split it up and put an equal
Gala2k [10]
I think he put in 1/6
8 0
3 years ago
Read 2 more answers
In a rhombus whose side measures 20 and the smaller angle is 38°. Find the length of the larger diagonal, to the nearest tenth.
Lemur [1.5K]

A rhombus diagonals form right angles. The diagonals also cut in half the angles

use cosine: cos38 = \frac{a}{20\\\\}

a = 20cos38

a=15.8

4 0
3 years ago
An urn contains 3 red and 7 black balls. Players A and B take turns (A goes first) withdrawing balls from the urn consecutively.
andrey2020 [161]

Answer:

The probability that A selects the first red ball is 0.5833.

Step-by-step explanation:

Given : An urn contains 3 red and 7 black balls. Players A and B take turns (A goes first) withdrawing balls from the urn consecutively.

To find : What is the probability that A selects the first red ball?

Solution :

A wins if the first red ball is drawn 1st,3rd,5th or 7th.

A red ball drawn first, there are E(1)= ^9C_2 places in which the other 2 red balls can be placed.

A red ball drawn third, there are E(3)= ^7C_2 places in which the other 2 red balls can be placed.

A red ball drawn fifth, there are E(5)= ^5C_2 places in which the other 2 red balls can be placed.

A red ball drawn seventh, there are E(7)= ^3C_2 places in which the other 2 red balls can be placed.

The total number of total event is S= ^{10}C_3

The probability that A selects the first red ball is

P(A \text{wins})=\frac{(^9C_2)+(^7C_2)+(^5C_2)+(^3C_2)}{^{10}C_3}

P(A \text{wins})=\frac{36+21+10+3}{120}

P(A \text{wins})=\frac{70}{120}

P(A \text{wins})=0.5833

6 0
3 years ago
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