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2 years ago

13

A small bag of jelly beans contains 2 lemon, 5 cherry, 1 lime, and 4 blueberries jelly beans. If Evin chooses a jelly bean from

the bag without looking, what is the probability it will be cherry or blueberry?

2 answers:

jeka942 years ago

6 0

The correct answer should be 75%

VashaNatasha [74]2 years ago

4 0

Answer:

75%

Step-by-step explanation:

lime and cherry/ total jelly beans

(5+4)/(2+5+1+4)=9/12=0.75=75%

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Mrs. Kim spent $4.77 on her favorite imported cheese. She bought 9/10 of a pound. Find how much cheese cost per pound.

Kruka [31]

4.77x10= 47.7/9 = 5.30. 1 pound cost $5.30

6 0

3 years ago

Prove that if a and b are integers, then a^2-4b egal or non-egal 2

Lera25 [3.4K]

Answer:

tex]a^2 - 4b \neq 2[/tex]

Step-by-step explanation:

We are given that a and b are integers, then we need to show that $a^2 - 4b \neq 2$

Let $a^2 - 4b = 2$

If a is an even integer, then it can be written as $a = 2c$ , then,

$a^2 - 4b = 2\\(2c)^2 - 4b =2\\4(c^2 -b) = 2\\(c^2 -b) =\frac{1}{2}$

RHS is a fraction but LHS can never be a fraction, thus it is impossible.

If a is an odd integer, then it can be written as $a = 2c+1$ , then,

$a^2 - 4b = 2\\(2c+1)^2 - 4b =2\\4(c^2+c-b) = 2\\(c^2+c-b) =\frac{1}{4}$

RHS is a fraction but LHS can never be a fraction, thus it is impossible.

Thus, our assumption was wrong and $a^2 - 4b \neq 2$ .

7 0

3 years ago

Write two numbers that multiply to the value on top and add to the value on the bottom.

sattari [20]

Answer:

6 and 2

Step-by-step explanation:

6 times 2 is 12 and 6 plus 2 is 8

4 0

3 years ago

3.281 feet in word form

DaniilM [7]

Three and two eight one thousandths

7 0

3 years ago

Read 2 more answers

Please help with theses two questions.

Goryan [66]

Yea i have no clue how she can be like a

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3 years ago