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erica [24]
3 years ago
14

Bob owns some DVDs. He owns 8 comedies, 5 animated movies, and 7 action movies. What is the ratio of comedies to the total numbe

r of DVDs Bob owns?
Mathematics
1 answer:
Roman55 [17]3 years ago
8 0

Answer:

2:5

Step-by-step explanation:

c : a : a²

8 5 7

add 8 + 5 + 7 = 20

comedies = 8

8:20 | factors of 8 and 20 are 4

8 / 4 = 2

20 / 4 = 5

new ratio; 2:5

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Jason paid $47.50 to buy 9 youth tickets and 1 adult ticket to a school carnival. Raymond paid $46.00 to buy 4 youth tickets and
Tasya [4]

Answer:Youth are 4.5$

Adults are 7$

Step-by-step explanation:Jason buys 9 youth tickets.9 times 4.5=40.5+7 would be 47.5$

Raymond buys 4 youth tickets 4 times 4.5=18+28=46 and how i get 28 is 7 times 4=28

8 0
3 years ago
If f(x)=4x3+3x2−5x+20 and g(x)=9x3−4x2+10x−55, what is (g−f)(x)?
Montano1993 [528]

Answer:

Step-by-step explanation:

(g-f)(x) = 9x³ - 4x² + 10x - 55 - [ 4x³ +3x² - 5x + 20]

To remove the parenthesis, take - inside, multiply f(x) by -1

= 9x³ - 4x² + 10x - 55 -  4x³ - 3x² + 5x - 20  

Now, bring like terms together,

= 9x³ - 4x³ - 4x² - 3x² + 10x + 5x - 55 - 20

= 5x³ - 7x² + 15x - 75

3 0
4 years ago
A park has a 333 meter (\text{m})(m)left parenthesis, start text, m, end text, right parenthesis tall tether ball pole and a 6.8
dybincka [34]

Answer:option B & D are correct

Step-by-step explanation:

Given options are  

                                             A              B          C             D           E        

Tether ball pole shadow      1.35         1.8        3.75        0.6       2

Flagpole shadow                  3.4          4.08      8.35       1.36      4.8

Ratio of corresponding height & shadows  should be same

3 meter tall tether ball pole and a 6.8 tall flagpole

=> Ratio  = 6.8/3    = 68/30  = 34/15  

A    - 3.4/1.35 =   340/135     ≠ 34/15( 306/135)

B  -  4.08/1.8  = 408/180   =  34/15  = 34/15  ( Correct option)

C    8.35/3.75  = 835/375  =  167/75   ≠ 34/15( 170/75)

D  1.36/0.6  = 136/60   =  34/15  = 34/15   ( Correct option)

E  4.8/2  = 48/20   =  12/5   = 36/15    ≠ 34/15

option B & D are correct

6 0
3 years ago
Read 2 more answers
Find the coordinate of X if XY=1 and the coordinate of Y is 0.
rosijanka [135]
X is undefined.

XY = 1

Plug in 0 for Y. X(0) = 1

X = 1/0

So the answer is that X is undefined.
3 0
3 years ago
!!!!!!!!!!!!pls answer!!!!!!!!!!!(i'm being timed)
kobusy [5.1K]

Answer:

an+4n+1

Step-by-step explanation:

Hope it helped

3 0
3 years ago
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