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defon
3 years ago
8

PLEASEE HELP ANYONE

Mathematics
1 answer:
Dvinal [7]3 years ago
8 0
Probability 1st song is sung by female : 55/100 reduces to 11/20
probability 2nd song is sung by a male : 35/100 reduces to 7/20
probability 3rd song is instrumental : 10/100 reduces to 1/10

probability of all 3 events happening : 11/20 * 7/20 * 1/10 = 77/4000
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Find the LCM and HCF of 15, 42 and 123
skelet666 [1.2K]

Answer:

LCM - 1

HCF - 3

Step-by-step explanation:

LCM - Lowest Common Factors

HCF - Highest Common Factors

____________________________________________________________

Factors of 15 - 1, 3, 5, 15

Factors of 42 - 1, 2, 3, 6, 7, 14, 21, 42

Factors of 123 - 1, 3, 41, 123

So now we know the factors of 15, 42, 123 what is lowest and highest factor we can find in every number

____________________________________________________________

I have bolded the lowest and highest common factor.

Factors of 15 - 1, 3, 5, 15

Factors of 42 - 1, 2, 3, 6, 7, 14, 21, 42

Factors of 123 - 1, 3, 41, 123

_______________________________________________

LCM - 1

HCF - 3

7 0
3 years ago
A=1/2 ap <br> What is the value of p if A=40ft2 and <br> a= 8ft?
cricket20 [7]
A=1/2ap

(40ft^2)=1/2*8*p

p=(40ft^2)/4
7 0
3 years ago
Elizeabeth bought a necklace that has a mass of 35 grams which measure is equivlent to 35 grams
Reptile [31]
If you were to convert the measure of grams to kilograms it would me 35 grams= 0.035 grams
6 0
3 years ago
Complete the equation for the horizontal line that passes through (5, –7).<br><br> y =
KiRa [710]

Answer:

y = - 7

Step-by-step explanation:

The equation of a horizontal line is

y = c

where c is the value of the y- coordinates the line passes through.

The line passes through (5, - 7) with y- coordinate - 7, thus

y = - 7 ← equation of horizontal line

8 0
3 years ago
Is 0.17677669529 (the square root of 2/8) a rational number or irrational?
zhuklara [117]
It would be irrational, as it has non repeating digits to the right of the decimal.
6 0
3 years ago
Read 2 more answers
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