3 years ago

Help me please I'm so lost on this question

2 answers:

8 0

Gisela has 135 CDs. Eleven are music. She has 3 times as many CDs as she has classical. How many rock CDs does Gisela have? A. 135, B. 124, C. 93, D. 31

shepuryov [24]3 years ago

8 0

She has 41 rock CDs. 135-11=124, 124÷3=41.33

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For the functions f(x)=4x−3 and g(x)=3x2+4x, find (f∘g)(x) and (g∘f)(x).

barxatty [35]

Answer:

(16x + 21) and (16x - 6)

Step-by-step explanation:

f(g(x)) = f(6 + 4x)

Applying the f(x) function on (6 + 4x) gives

4(6 + 4x) - 3

Which equals 16x + 24 - 3

= 16x + 21

g(f(x)) = g(4x - 3)

Applying the g(x) function on (4x - 3) gives

6 + 4(4x - 3)

Which equals 6 + 16x - 12

= 16x - 6

7 0

3 years ago

According to the Guinness Book of World Records, a woman from Russia, Mrs. Vassilyeva, had 69 children between the years 1725 to

Maurinko [17]

Answer:

36.36% probability that she gave birth to quadruplets

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcoes.

Desired outcomes:

Giving births to quadruplets.

She has 4 sets of quadruplets.

So $D = 4$

Total outcomes:

At least 3 children(triplets).

7 sets of triplets and 4 sets of quadruplets.

So $T = 7 + 4 = 11$

Probability:

$p = \frac{D}{T} = \frac{4}{11} = 0.3636$

36.36% probability that she gave birth to quadruplets

8 0

3 years ago

I need an answer please! The question says Find the value of x that would make the following expression equivalent to sixteen ti

aev [14]

Square root of 6 times 16 will give us 39.19

The square root of 48 times 32 [which gives us 1536] is also equal to 39.19

The square root of 1536 is equal to 39.19

Hence, x is equal to 32

Hope this helped! :D

8 0

3 years ago

A sum of 17 and a difference 3

sleet_krkn [62]

It would be 9-6=3 and 9+6=17 hope this help

6 0

3 years ago

Read 2 more answers

Find the area of the square rug if its side is (6x + 1) feet.<br> The area of the square rug is ( )

Assoli18 [71]

Area of a square:

A= side^2

= (6x + 1) ^2

=<u> 36x^2 + 12x + 1 feet^2</u>

8 0

2 years ago