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Ber [7]
3 years ago
14

Kenley has 100 songs on her digital music player.of the songs, seventeen hundredths are country songs, two tenths are musicals,

and four tenths are classical music songs. What part of the songs are either country or musical?
Mathematics
2 answers:
jenyasd209 [6]3 years ago
4 0
37 of 100
(>^ω^<)(=^.^=)
emmasim [6.3K]3 years ago
4 0
17/100+20/100= 37/100 (37%)
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Ignore circled one and work it out please​
mash [69]

Answer:

a. \frac{(x-7)}{x^2+x-30}

Step-by-step explanation:

\huge \frac{x^2-3x-28}{(x^2+10x+24)(x-5)} \\\\\huge {=\frac{x^2-7x+4x-28}{(x^2+6x+4x+24)(x-5)}}\\\\\huge {=\frac{x(x-7)+4(x-7)}{\{x(x+6)+4(x+6)\}(x-5)}}\\\\\huge {=\frac{(x-7)(x+4)}{(x+6)(x+4)(x-5)}}\\\\\huge {=\frac{(x-7)}{(x+6)(x-5)}}\\\\\huge {=\frac{(x-7)}{x^2+(6-5)x+6(-5)}}\\\\\huge {=\frac{(x-7)}{x^2+x-30}}

3 0
2 years ago
The average score on a standardized test is 750 points with a standard deviation of 50 points. What is the probability that a st
nalin [4]
The probability that student scored more than 850 we shall proceed as follows:
z=(x-μ)/σ
where:
x=850
μ=750
σ=50
thus
z=(850-750)/50
z=2
thus
P(x>850)=1-P(x<850)=1-P(z<2)=1-0.9772=0.0228

Answer: P(x>850)=0.0228
4 0
3 years ago
Read 2 more answers
What is the unknown term.<br>in the seqpence 4.5, 5.4,____7.2<br><br>A.6.2 or B. 63​
harina [27]

Answer:

6.3

Explanation:

To get from 4.5 to 5.4, you need to add 0.9. If you add 0.9 two more times, you get 7.2. Therefore, the middle term should be 6.3. I don't know if you made a typo and forgot the decimal when writing the options cause it says "63", but I believe the answer is 6.3.

4 0
3 years ago
write an expression for the calculation 5 times the number 25 and then subtract the quotient of 14 and 7
gavmur [86]

(5*5=25)-(14+7=21) which is basically

25-21


5 0
3 years ago
How do we rewrite the equation y=-x 4
jek_recluse [69]
To rewrite as a function of x (f(x)), write the equation so that y is by itself on one side of the equal sign and an expression involving only x is on the other side.

f (x) = - x^4
5 0
3 years ago
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