MATHEMATICS HIGH SCHOOL

Which of the following is equivalent to 1/3(6x-12y) ?A.2x - 4y


B.2x + 4y


C.2x - 12y


D.6x - 12y

Answers

Answer 1
Answer: 1/3(6x-12y)
2x - 4y

the answer is A

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Last one answer please

What is the 10th term of the geometric sequence 400, 200, 100...?

Answers

ANSWER

a_ {10} = (25)/(32)

EXPLANATION

The given geometric sequence is

400, 200, 100...

The first term is

a_1=400

The common ratio is

r = (200)/(400) = (1)/(2)

The nth term is

a_n=a_1( {r}^(n - 1) )

We substitute the known values to get;

a_n=400( (1)/(2) )^(n - 1)

a_ {10} =400( (1)/(2) )^(10 - 1)

a_ {10} =400( (1)/(2) )^(9)

a_ {10} = (25)/(32)

A 12-foot ladder rest against the side of a house. The base of the ladder is 3 feet away from the side of the house. How high above the ground is the top of the ladder? Round to the nearest tenth of a foot.I would love for someone to help me real quick I am in summer school right now and only have 2 hours left and i have to do a lot of retests. So if anyone could help me in the next 5 minutes or so that would be nice.

Thanks

Answers

right triangle
from base of triangle to wall=a
from floor to top of ladder on wall=b
legnth of ladder=c

legnth=12=c
base is 3 feet away=a
use pythagorean theorem
a^2+b^2=c^2
3^2+b^2=12^2
9+b^2=144
subtract 9
b^2=135
square root both sides
b=√135=3√15

the height is 3√15 feet

Ann purchased a prepaid phone card for $20. Long distance calls cost 14 cents a minute using this card. Ann used her card only once to make a long distance call.If the remaining credit on her card is 14.26,how many minutes did her call last?

Answers

Answer:

The correct answer is; Ann was on the call for 41 minutes.

Step-by-step explanation:

20-14.26 is equivalent to 5.74, in which you divide that by .14 (fourteen cents) and get 41.

What is the inverse operation of 102÷3=34

Answers

The answer would be 102 ÷ 34 = 3
the answer is 102÷34=3

Please help me get this done by todayWill give first best answer brainliest and 15 points on each 5 questions I ask

Answers