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IrinaK [193]
3 years ago
12

There are 6 red marbles, 8 blue marbles, and 11 green marbles in a bag. What is the probability that you will randomly draw eith

er a red or a blue marble?
24%
56%
32%
10%
Mathematics
2 answers:
belka [17]3 years ago
8 0
56%
its the correct answer i know it is

o-na [289]3 years ago
5 0
<span>6/25 + 8/25 =0.56
</span><span>0.56 or as a percent 56%SO the answer is B 56%
</span>
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I solved some of it but now I don't know if you continue it correctly ... To be performed: (lesson: Raducali of order "n")
nikitadnepr [17]

Answer:

-9

Step-by-step explanation:

( \sqrt[4]{7}  + 2)( \sqrt[4]{7}  - 2)( \sqrt{7}  + 4) \\  = ( { \sqrt[4]{7} }^{2}  - {{2} }^{2} )( \sqrt{7}  + 4) [because (a+b)(a-b) = a² - b²]\\  = ( \sqrt{7}  - 4)( \sqrt{7}  + 4) \\  =   { \sqrt{7} }^{2}  -  {4}^{2}[because (a+b)(a-b) = a² - b²]  \\  = 7 - 16 \\  =  - 9

5 0
2 years ago
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6 0
3 years ago
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The area of a triangular block is 49 square inches. If the base of the triangle is twice the height, how long are the base and t
andrezito [222]
1) Formula: area = height * base / 2

2) Call x the height:

height = x

base = 2x

3) State the equation:

(x)(2x) = 49 in^2

4) Solve the equation:

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x^2 = (49/2) in^2

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5) Solution:

height = 3.5 √2 in and base = 7√2 in

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Step-by-step explanation:

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