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just olya [345]
3 years ago
13

Complete the system of linear equations so that there are no solutions y = -4/5 - 3 Blank(x) + Blank(y) = 18

Mathematics
1 answer:
dem82 [27]3 years ago
4 0

Answer:idk

Step-by-step explanation:

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A bowl has 8 green grapes and 15 red grapes. Henry randomly chooses a grape, eats it, and then chooses another grape....
frosja888 [35]

Answer:

About 41.5%

Step-by-step explanation:

<em>Given:</em>

<em>A bowl has 8 green grapes and 15 red grapes. Henry randomly chooses a grape, eats it, and then chooses another grape.</em>

<em>To Find:</em>

<em>What is the probability that both grapes are red?</em>

<em>Answer choices:</em>

<em>about 39.7%</em>

<em>about 41.5%</em>

<em>about 42.5%</em>

<em>about 44.5%</em>

<em>Solution:</em>

<em>Since, there are 8 green grapes and 15 red grapes, the total number of grapes is 23 .</em>

<em>As the red grapes are 15..</em>

<em>Thus,</em>

<em>The probability of choosing a red grape the first time is 15/23.</em>

<em>Because out of the total 23 grapes only 15 were red grape.</em>

<em>The probability of choosing the red grape the second time will be 14/22. Because the number of red grapes has already decreased by one and so is the total number of grapes after first choice</em>

<em>Hence, the probability of choosing or eating two red grapes will be :</em>

<em>15/23×14/22</em>

<em>=105/253</em>

<em>=0.415</em>

<em>= 41.5%</em>

<em>Therefore, the probability that both grapes are red is about 41.5%</em>

5 0
3 years ago
The mass of 5m^3 of copper is 44800kg. Work out the density of copper.
snow_tiger [21]
Okay so

Density= mass/volume

44800 kg/5m^3 = 8960kg/m^3
which units are preferred?

1000g/kg
1000000 cm ^3/ m^3
8 0
4 years ago
What are two decimals to 0.9
andrew-mc [135]
A few decimals that round to 0.9 are 0.91, 0.92, 0.93, 0.94

Hope that helps :)
6 0
3 years ago
Read 2 more answers
Sara shaded 2/10 of a piece of grid paper. Derrick shaded 45/100
soldi70 [24.7K]

Answer:

Derrick shaded more

Step-by-step explanation:

I didn't know what you want me to answer but he has more.

7 0
3 years ago
Fill in the missing values from the similar figures in the table
Tems11 [23]

Step-by-step explanation:

9 × 1/2 = 4.5

8 × 1/2 = 4

hope it's helpful

3 0
1 year ago
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