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3 years ago

HELP PLEASE!!

Mathematics

1 answer:

matrenka [14]3 years ago

3 0

Answer:

each side is 90 degrees

Step-by-step explanation:

make the brainliest?

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12.5 x n= 32 What is N???

Firdavs [7]

Hello from MrBillDoesMath!

Answer:

2.56

Discussion:

12.5 * n = 32 => divide both sides by 12.5

n = 32/12.5 = 2.56

Thank you,

MrB

6 0

3 years ago

This question has two parts. First answer Part A, then answer Part B. Part A

rodikova [14]

Answer:

A. $a_n=2a_{n-1}$

B. 160

Step-by-step explanation:

Silvia does 5 sit-ups on the first day of her exercise program. Each day thereafter she does twice as many sit-ups as the day before. Hence

1st day - 5 sit-ups

2nd day - 10 sit-ups

3rd day - 20 sit-ups

...

$a_1=5\\ \\a_2=2a_1\\ \\a_3=2a_2\\ \\...\\ \\a_n=2a_{n-1}$

The recursive formula that models the number of sit-ups she does each day is

$a_n=2a_{n-1}$

$a_6=2a_5=2\cdot 2a_4=4\cdot 2a_3=8\cdot 2a_2=16\cdot 2a_1=32\cdot 5=160$

7 0

3 years ago

Read 2 more answers

3 less than a number h is -12

Nat2105 [25]

Answer:

-9

Step-by-step explanation:

h-3= -12

h= -9

3 0

3 years ago

Solve the system of linear equations by adding or subtracting. Show all work!

Thepotemich [5.8K]

Answer:

x = -2, y = -2

Step-by-step explanation:

Your goal is to try and cancel out a variable. I want to get rid of y so i subtracted the first equation from the second one.

After that I solve for x and got x=-2.

I used x=-2 and plugged it back into either of the equation to solve for y.

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3 years ago

Can anyone teach me how to do this??

charle [14.2K]

Answer is 2 your welcome

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3 years ago