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polet [3.4K]
3 years ago
10

Natilie invested $200 in a savings account that earned 4% simple interest each year. She invested for

Mathematics
1 answer:
dexar [7]3 years ago
6 0

Answer:

16.32 made in interest

216.32 in total

Step-by-step explanation:

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Daniel goes out to lunch. The bill, before tax and tip, was $14.20. A sales tax of 8% was added on. Daniel tipped 24% on the amo
seraphim [82]

Answer: $19.02

Step-by-step explanation:

First find the sales tax paid. It will be paid on the cost of the meal:

= 14.20 * 8%

= $1.14

Then find the tip which was done after the sales tax was added:

= 24% * (14.20 + 1.14)

= 24% * 15.34

= $3.68

The total cost is:

= Gross amount + Sales tax + tip

= 14.20 + 1.14 + 3.68

= $19.02

3 0
3 years ago
Help math beats me up in dark alleys
andriy [413]

Replace x with 3:

f(x) = 20(0.5)^x

f(3) = 20(0.5)^3

First do 0.5^3 = 0.125

Now multiply that by 20:

20 x 0.125 = 2.5


f(3) = 2.5

3 0
3 years ago
Xy - 11 = 5 show the direct variation expalin your reasoning
Vedmedyk [2.9K]
Hey there, Lets solve this one by one 

Firstly, a<span>dd </span>11<span> to both sides 

</span>xy=5+11 
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Now, </span><span>Simplify </span><span>5+11</span><span> to </span><span>16 

</span>xy=16 
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Finally, d</span><span>ivide both sides by variable </span><span>y 

</span>x = 16 /y<span>
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5 0
3 years ago
Find the circumference of a circle whose.<br> A. Diameter is 14cm<br> B. Radius is 3.5cm
Nikitich [7]

Hello!

Circumference of a Circle

C=πd

or

C=2πr

Plug in the values

C=14π

C≈44 cm

C=2π×3.5

C≈22 cm

Hope everything is clear.

Let me know if you have any questions!
#KeepLearning

;-)

5 0
2 years ago
What is the nearest tenth P(4,-2) Q (1,3)
irinina [24]
I hope this helps you

4 0
3 years ago
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