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zhuklara [117]
3 years ago
14

Jayden deposited $7100 in a savings account with simple interest. Three months later, the account held $7,259.75. what was the i

nterest rate?​
Mathematics
1 answer:
Novosadov [1.4K]3 years ago
8 0

Answer:

Step-by-step explanation:

7259.75 - 7100 = 159.75

he earned 159.75 in interest

159.75/ 7100= .0225

and if you convert that to percentages then its 2.25%

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Understanding tens and ones
Semenov [28]
The number 15 has 2 place values.
 
The value in the tens place is 1. 
The value in the ones place is 5.

1 tens + 5 ones = 15

If you need help comment below and ill try my best to help you out!
4 0
3 years ago
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Find the zeros of ƒ(x) = (x + 2)(x – 1)(x – 3)(x + 1).
Degger [83]

Answer:

X=-2 x=1 x=3 and x=-1

Step-by-step explanation:

When the problem asks you to find the zeros all they are asking for is the solution so to solve all you need to do is set each individual piece equal to zero.

4 0
3 years ago
The differences of 4 and a number x is 14
shutvik [7]

Answer:

x=18

Step-by-step explanation:

x-4=14

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x=18

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3 years ago
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What is the area of the semi circle of 12
finlep [7]

Answer:56.57

Step-by-step explanation:

πr2

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5 0
3 years ago
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In a random sample of 300 attendees of a minor league baseball game, 182 said that they bought food from the concession stand. C
horrorfan [7]

Answer:

<em>90% confidence interval for the proportion of fans who bought food from the concession stand</em>

(0.5603,0.6529)

Step-by-step explanation:

<em>Step(i)</em>:-

<em>Given sample size 'n' =300</em>

Given data  random sample of 300 attendees of a minor league baseball game, 182 said that they bought food from the concession stand.

<em>Given sample proportion </em>

<em>                        </em>p^{-}  = \frac{x}{n} = \frac{182}{300} =0.606

level of significance = 90% or 0.10

Z₀.₁₀ = 1.645

<em>90% confidence interval for the proportion is determined by</em>

(p^{-} - Z_{0.10}\sqrt{\frac{p(1-p)}{n} }  , p^{-} +Z_{0.10}\sqrt{\frac{p(1-p)}{n} })

(0.6066 - 1.645\sqrt{\frac{0.6066(1-0.6066)}{300} }  ,0.6066+1.645\sqrt{\frac{0.6066(1-0.6066)}{300} })

(0.6066 -  0.0463  ,0.6066 +  0.0463)

(0.5603,0.6529)

<u>final answer</u>:-

<em>90% confidence interval for the proportion of fans who bought food from the concession stand</em>

(0.5603,0.6529)

5 0
3 years ago
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