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Inessa [10]
3 years ago
15

Jimmy has a pocket full of quarters and dimes. There is a total of 40 coins, which adds up to 5.50. How many quarters dose he ha

ve In his pocket? Dimes?
Mathematics
1 answer:
Ilia_Sergeevich [38]3 years ago
8 0
He has 16 dimes and 16 quarters
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A rectangle has an area of 42 cm²; the length is 7 cm. Find its width.
liubo4ka [24]
You would have 6cm as the width because length times width = area
7 0
3 years ago
An account earns simple interest $600 at 5% for 2 years find the interest earned
iVinArrow [24]

Answer:

so your answer would be 60$

Step-by-step explanation:

I = P * r * t

Here, P = $600

r = 0.05 (decimal value for 5%)

t = 2 years

Part a)

The interest earned will be:

I = P * r * t

I = 600 * 0.05 * 2

I = $60  

Part b)  

The balance in the account will be $600 plus the interest earned or:

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7 0
3 years ago
The mean of a normally distributed dataset is 12, and the standard deviation is 2.
Schach [20]
So lets do it like this:
z = (X-Mean)/SD 
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<span>z2 = (16-12)/2 = + 2 </span>
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<span>Mean more or less 2SD covers 95% of the values </span>
So t<span>he percentage of data points falling between 8 and 16 = 95%
</span>I hope this can help
5 0
3 years ago
Solve by completing the square. (Enter your answers as a comma-separated list.)
scZoUnD [109]

Answer:

y=\sqrt-{35} -8\\y=\sqrt{35}-8

Step-by-step explanation:

times in the y+9 and y+7 and get y squared + 16x+ 63+80.

6 0
2 years ago
I need help please............
Anettt [7]
A) x=4
B) x= -3
C) x= -1/6
D) x=24
5 0
3 years ago
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