MATHEMATICS HIGH SCHOOL

Kala purchased a prepaid phone card for S15. Long distance calls cost 24 cents a minute using this card. Kala used her card only once to make a longdistance call. If the remaining credit on her card is $5.64, how many minutes did her call last?

Answers

Answer 1
Answer:

15 - x = 5.64

15 - 5.64 = x

9.36 = x

//

9.36 / 0.24 = 39

her call lasted 39minutes.

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answer and enjoy the points :D

Answers

Answer:59

Step-by-step explanation:

On Friday, a local restaurant served 200 customers. Of these, 168 people ordered soup. What percent of the customers ordered soup?​

Answers

Answer:

The answer would be 84%.

Answer:

I took the test and It is 84%

Step-by-step explanation:

if this was helpful please make sure to mark as brainliest. thank you

Anna is going to play guitar in her school's annual concert. If she starts by practicing for one hour per day and increases the time by 30 minutes each day, how long will she practice on the seventh day? a. 140 minutes b. 210 minutes c. 240 minutes D. 300 minutes

Answers

As per arithmetic progression, Anna will practice on the seventh day for 240 minutes.

What is an arithmetic progression?

"Arithmetic Progression is a sequence of numbers in order, in which the difference between any two consecutive numbers is a constant value."

Anna practices on the first day for 1 hour

= 60 minutes

She increases the time by 30 minutes each day.

Therefore, on the 7th day she will practice for

= [60+(7-1)30] minutes

= 240 minutes

Learn more about an arithmetic progression here: brainly.com/question/24873057

#SPJ2
on day one she starts of with 1 hour so it will be 1+30x. X being the number of days so by the seventh day Anna would practice for 240 minutes. 

Determine whether the sequence is arithmetic or geometric.sequence 1: 32, 16, 0, –16, ...
sequence 2: 32, 16, 8, 4, ...
which of the following statements are true regarding sequence 1 and sequence 2.

sequence 1 is arithmetic and sequence 2 is geometric.
both sequences are arithmetic.
both sequences are geometric.
sequence 2 is arithmetic and sequence 1 is geometric.

Answers

S1.
32, 16, 0, -16, ...
It's an arithmetic sequence:
a_1=32;\ d=16-32=-16\n\na_n=a_1+(n-1)d\n\na_n=32+(n-1)\cdot(-16)=32-16n+16=48-16n

S2.
32, 16, 8, 4, ...
It's a geometric sequence:
a_1=32;\ r=16:32=(1)/(2)\n\na_n=a_1r^(n-1)\n\na_n=32\cdot\left((1)/(2)\right)^(n-1)

Answer: sequence 1 is arithmetic and sequence 2 is geometric.

What is the answer for this question?

Answers

Answer:

n = 12

Step-by-step explanation:

8 + (12) = 20

Answer:

20.

Step-by-step explanation:

To find the value of "n" in the equation 8 + n = 20, we can use the concept of solving for an unknown variable.

To isolate "n" on one side of the equation, we can subtract 8 from both sides:

8 + n - 8 = 20 - 8

This simplifies to:

n = 12

Therefore, the value of "n" in the equation 8 + n = 20 is 12.

In this equation, the value of "n" is 12 because when we add 8 to it, the result is 20.

What is −58÷910? pls help

Answers

Answer:

-0.06373626373

Step-by-step explanation:
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