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3 years ago

Help me with math ASAP please!!!

Mathematics

1 answer:

Zielflug [23.3K]3 years ago

6 0

Answer:

12 andy 9

Step-by-step explanation:

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melamori03 [73]

Increasing hope that helps

3 0

3 years ago

Kim works as a server in a restaurant. She is serving the table where a group of her friends are eating. Her friends always tip

Lisa [10]

if the bill was $23.60, and the tip was 15%, kim will earn $3.54. the overall total of the meal would be $27.14 :)

Anwser will be $3.54

15% = .15 ( to convert percent to decimal, change the % to . and move the decimal two places to the left)

23.60 * .15 = 3.54

8 0

4 years ago

Plz help solve: Find the side length of a square with an area of 15/6 cm^2

PolarNik [594]

Answer:

1.58 cm

Step-by-step explanation:

Area of a square = length ²

Area of the square = 15/6 cm²

Area of a square = length ²

15/6 = length²

Find the square root of both sides

√15/6 = √length²

√2.5 = length

1.58 cm = length

Alternatively,

√15/6 = √length²

√15/√6 = length

3.87 / 2.45 = length

1.58 cm = length

Therefore, side length of the square = 1.58 cm

6 0

3 years ago

Divide these numbers. 18 ÷ 4

irakobra [83]

Answer:

4.5

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Write an explicit formula for An, the nth term of the sequence 7, -42, 252, ....

erik [133]

Answer:

$A_n = 7(-6)^{n-1}$

Step-by-step explanation:

Key skills needed: Explicit formula, Geometric sequence

1) This is a geometric sequence, meaning a constant (like 6 or 3.5) is being multiplied to every term. First we need to find the constant.

This can be done by doing -42 ÷ 7 or 252 ÷ -42

-42 ÷ 7 equals -6.

252 ÷ -42 also equals -6.

2) This means that constant is -6.

3) The general form for an explicit formula of a geometric sequence is:

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

--> r means the constant (or common ratio) that is being multiplied.

--> $a_1$ means the first term

--> $a_n$ means the "nth" numbered term (so $a_3$ is the 3rd term, $a_{10}$ is the 10th term and so on).

--> $n-1$ is just the "n" in $a_n$ minus 1.

4) We can use this formula to create an explicit formula for the geometric sequence in the problem.

--> $r = -6$ (Since we got -6 as the constant/common ratio).

--> $a_1 = 7$ (Since 7 is the 1st term)

This means that our formula would be --> $A_n = 7(-6)^{n-1}$

Hope you understood and have a nice day!! :D

8 0

3 years ago