3 years ago

Help me with 4 5 6 7 8 9 plzz

Mathematics

1 answer:

djyliett [7]3 years ago

3 0

Can you post a clearer picture pplease

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You put $400 in an account. The account earns $18 simple interest in nine months. What is the annual interest rate

chubhunter [2.5K]

Answer:

Step-by-step explanation:

Simple Interest formula:

S.I=P×R×T/100

where

S.I is simple interest

P is principle amount

R is Annual interest rate

T is time period

[usually represented as (number of months)/12]

$18=$400×R/100×9/12

simplify

$18=$3600R/1200

$18=$3R

so R=$18/$3

Therefore,

The Annual Interest Rate is 6%

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2 years ago

If t represents the amount of time Neda has spent typing the second letter, which equation states the rule used to determine the

Gennadij [26K]

Answer:

W = t + 200

Step-by-step explanation:

Number of words typed in the first letter = 200

The relationship between the total words typed, W and the number of seconds, t spent on the second letter :

W = number of words typed in first letter + t

W = 200 + t

Choosing any pair of values from the table :

W = 245 ; t = 45

W = 200 + 45

W = 245

Therefore, the number of words, W typed today can be represented as

W = 200 + t

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2 years ago

What is the following product ?

Delicious77 [7]

Answer:

6 (square root) 200

Step-by-step explanation:

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3 years ago

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If a base is negative, how will you know whether the answer is positive or negative before evaluating it?

jeka94

You can determine if the answer is positive or negative because the even numbers are positive and the odd numbers are negative

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What is equivalent to 3(y+4)+4(y-2)

amid [387]

Answer:

7y+4

Step-by-step explanation:

combine liked terms

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