2 years ago

R(x) = 2√x s(x) = √x (rs)(4)

Mathematics

1 answer:

kati45 [8]2 years ago

5 0

Answer:

Step-by-step explanation:

2√x • √x = 2x

2•4 = 8

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konstantin123 [22]

Answer:

49 seconds

Step-by-step explanation:

The time perry used is 7/8 of a minute

a minute equals to 60 seconds

so the time perry used is 7/8 x 60 = 52.5 seconds

The winner used 14/15 of 52.5 seconds (perrys time)

so 14/15 x 52.5 = 49 seconds

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3 years ago

The area of a rectangle is 12x^2-8x-15. The width is (2x-3). What is the length of the rectangle?

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The length of the rectangle is (6x+5)

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3 years ago

Witch of the following expression is equivalent to the logarithmic expression below. log(3)5/x^2

BabaBlast [244]

Assuing you mean
$log_{3}(\frac{5}{x^2})$
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also, $log(x^m)=(m)log(x)$

so
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the answer is B

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3 years ago

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Arithmetic mean of marks (out of 25) scored by 10 students was 15. One of the student, named Karishma enquired the other 9 stude

erastova [34]

Answer:

Krishna's marks x marks

so...

xˉ=15

xˉ=15n=10

xˉ=15n=10∑x=x+x−8+x−6+x−3+x−1+x+x+2+x+3+x+4+x+6=10x−3

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150+3=10x

x=150/10=15.3 marks

Krishna scored 15.3 marks.

hope it helps you sis...

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2 years ago

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3(4) - (3)^2
12 - 9
3

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3 years ago