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fenix001 [56]
3 years ago
12

If two times a number is decreased by 6 the principal square root of this difference is 7less than the number. What is the numbe

r
Mathematics
1 answer:
Luba_88 [7]3 years ago
6 0
8 jendjdksmsisnmeiehrbdod
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Divide 32 in the ratio 3:1
Igoryamba
------------------------------------------------
Ratio
------------------------------------------------
3 : 1

------------------------------------------------
Find total parts
------------------------------------------------
3 + 1 = 4

------------------------------------------------
Split the 32 according to the parts
------------------------------------------------
4  parts = 32
1 part = 32 ÷ 4
1 part = 8
 3 part = 8 x 3 = 24

------------------------------------------------
Split the 32 into the ratio
------------------------------------------------
24 : 8

------------------------------------------------
Answer: 24 : 8 
------------------------------------------------
3 0
3 years ago
Need help on math question thanks <br> A) 0.303 <br> B) 0.435 <br> C) 0.406<br> D) 0.154
Airida [17]

Answer:

A) 0.303

The probability that a randomly selected student from the class has brown eyes , given they are male

P(\frac{B}{M} ) = 0.3030

Step-by-step explanation:

<u>Explanation</u>:-

Given data

                      Brown           Blue           Hazel           Green

Females           13                  4                  6                   9          

Males                10                  2                 9                   12

<em>Let 'B' be the event of brown eyes </em>

<em>Total number of males n(M) = 33</em>

Let B/M be the event of randomly selected student from the class has brown eyes given they are male

<em>The probability that a randomly selected student from the class has brown eyes , given they are male</em>

<em></em>P(\frac{B}{M} ) = \frac{n(B)}{n(M)}<em></em>

<em>From table the brown eyes from males = 10</em>

P(\frac{B}{M} ) = \frac{10}{33}

P(\frac{B}{M} ) = 0.3030

<u>Final answer</u>:-

The probability that a randomly selected student from the class has brown eyes , given they are male

P(\frac{B}{M} ) = 0.3030

8 0
3 years ago
Kimo paid $24 for the shirt which was 75% of the regular price. What was the regular price
jarptica [38.1K]
The answer to your question is 18 thank me later!
3 0
1 year ago
Show work please!!! Solve the equation by completing the square. If necessary, round to the nearest hundredth.
weeeeeb [17]

Answer:

1. B 2. C

Step-by-step explanation:

1. x^2-18x+(18/2)^2=19+(18/2)^2

(x-18/2)^2=100

(x-9)^2=100

x1= -1 x2= 19

2. x^2=81

x=+-9

x1=-9 x2=9

5 0
3 years ago
Jackie bought a game that contained a ball and 10 jacks. The ball had a radius of 2 inches. What is the volume of the ball? Roun
defon
V = 1¹/₃πr³
V = 1¹/₃(3.14)(2)³
V = 1¹/₃(3.14)(8)
V = 1¹/₃(25.12)
V ≈ 33.493 in³
4 0
3 years ago
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