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BlackZzzverrR [31]

3 years ago

8

A bag with 10 marbles has 2 blue marbles, 4 yellow marbles, and 4 red marbles. A marble is chosen from the bag at random. What i

s the probability that it is blue? Write your answer as a fraction in simplest form.

1 answer:

Fudgin [204]3 years ago

7 0

Answer:

1/5

Step-by-step explanation:

There are 2 out of 10 that are blue so in fraction form thats 2/10 so when you simplify it, the simplest form is 1/5

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Please answer thoroughly

aleksklad [387]

Answer:

Part A: 2k(2c2+5(2)-8c-20)

Part B: sorry i don't know how to do this part

Step-by-step explanation:

Part A, you divide each number by 2 first so you get a simplified version of each number. Then, you will quickly realize that the varible k is similar in all of the numbers then you remove that and put it with the 2 outside the (). Hope you understood my explination.

7 0

4 years ago

A survey asked people to name their favorite season. The results of the survey showed that 34% said spring and 15% said fall. Wh

max2010maxim [7]

Answer:

D. 29% and 22%

Step-by-step explanation:

The known percentages are 34% and 15%. Add these two together to get 49%. All four choices should add up to 100%. So subtract to find what remains:

100% - 49%

= 51%

We don't actually have enough information to determine the percents for summer and winter. BUT the only answer that adds up to 51% is answer D. 29% and 22%.

8 0

2 years ago

GarryVolchara [31]

$The\ volume\ of\ cylinder:V=\pi r^2 h\\\\r-radius;\ h-height\\---------------------------\\\\r=4cm;\ h=4cm\\\\therefore\\\\\boxed{V=\pi\cdot4^2\cdot4=64\pi\ (cm^3)}\leftarrow answer$

5 0

3 years ago

Read 2 more answers

X ⋅ x ⋅ x ⋅ x ⋅ x = ? 5x x(x + 5) x + 5 x5

vampirchik [111]

Answer

x.x.x.x.x = 5x

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Evaluate function at the given value using the remainder theorem.

garik1379 [7]

Answer:

6

Step-by-step explanation:

$f(a)=a^4-2a^3 -10a^2 -7a \\\\f(-2) = (-2)^4-2(-2)^3 -10(-2)^2 -7(-2)\\\\~~~~~~~~~=16-2(-8)-10(4)+14\\\\~~~~~~~~~=30+16-40\\\\~~~~~~~~~=46-40\\\\~~~~~~~~~=6$

5 0

2 years ago