Can you solve this question?

Answers

Answer 1

Answer: The question asks which movies are comedies with a PG-13 rating. You must look at the table to see there are 4 comedies rated PG-13. This answer must be divided by the total number of movies, which is shown on the table to be 50. 4/50 is equal to 2/25, so the answer is A.

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The value of a two-digit number exceeds twice the sum of its digits by 19. The tens digit is two less than the units digit. Find the number.

Can someone help me? Plzzzzz :c I need it for tmw I'll be soo happy if someone help me

Mike purchased 3 DVD's and 14 video games for $203. Nick went to the same store and brought 11 DVD's and 11 video games for $220. How much is each video game and each DVD?

Answers

$x-cost\ of\ DVD\ny-cost\ of\ video\ game\n\n \left \{ {{3x+14y=203\ \ \ } \atop {11x+11y=220\ \ } \right. \n\n From\ first\ second:\n11x=220-11y\ \ \ \ |:11\nx=20-y\n\nSubstitute\ to\ first:\n3(20-y)+14y=203\n60-3y+14y=203\n-3y+14y=203-60\n11y=143\ \ \ \ |:11\ny=13\n\nx=20-13=7\n\n \left \{ {{y=13} \atop {x=7}} \right.$

3D+14G=203(11) use elimination 33D+154G=2233
11D+11G=220(-14) to cancel G -154D-154G=-3080

-121D=-847 divide by -121 on both sides
D=7 plug back into equation
11(7)+11G=220
77+11G=220 subtract 77 from both sides
11G=143 divide by 11 on both sides
G=13

Show work please I need help with both questions 3 and 5 thanks

Answers

Answer:

B) {8.71}

Step-by-step explanation:

3. l.c.m=28

28×3/7=28×b-7/4

4×3=7(b-7)

12=7b-49

12+49=7b

61=7b

61/7=7b/7

8.71=b

b=8.71.

Given ƒ(x) = 8x + 25, find x when ƒ(x) = 9.
A) -2
B) -1
C) 0
D) 2

Answers

A)-2
9=8x+25
-16=8x
X=-2

Citizens would like a new form of public transportation in their city. who would the address regarding this request?local commissioner
U.S. senator
or state representative.

Answers

state represent................

Answer:

Local Commissioner

Step-by-step explanation:

What is x the second term in thr geometric series 1/4+×+1/36+1/108+...?

Answers

The second term of this given geometric series is $(1)/(12)$

What is geometric series?

A geometric sequence's finite or infinite terms are added together to form a geometric series. The geometric series that corresponds to the geometric sequence a, ar, ar2,..., arn-1,... is a + ar + ar2 +..., arn-1 Clearly, "series" means "sum." The phrase "geometric series" refers specifically to the total of words with a common ratio between every adjacent pair of them. Finite and infinite geometric series are both possible.

Given a geometric series 1/4 + × + 1/36 + 1/108 +.....

In this series first term(a) = 1/4

second term(a₂) = x

Third term (a₃) = 1/36

ratio(r) = a₄ /a₃

ratio (r) = 1/3

The formula for the nth term of a geometric series is aₙ = arⁿ⁻¹ .....(1)

put these values in equation (1)

a₂ = $(1)/(4) *(1)/(3)$