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4 years ago

9

write the equation and solve nicholas opens a saving account with 50$ .if the annual interest rate is 3.4% compounded bi-annuall

y , how long will it take him to have a balance of $800

1 answer:

bagirrra123 [75]4 years ago

8 0

Answer:

2.585203176 * 10¹³

Step-by-step explanation:

y = 50(1+0.034/2)²^x

Plug in 800

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What is cos 30?<br>this is geometry

nirvana33 [79]

So the definition of the cosine of an angle of a right triangle is $\frac{adjacent}{hypotenuse}$ . You may remember this by SohCahToa (sine is opposite over hypotenuse, cosine is adjacent over hypotenuse, tangent is opposite over adjacent).

Remember, adjacent refers to the side next to the angle in question, and the side can't also be the hypotenuse. The hypotenuse is that longest side and is opposite the right angle.

We have the cosine of 30°. We write

$\cos(30)= \frac{adj}{hyp} = \frac{ \sqrt{3}}{2}$

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3 years ago

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The number of counties in state A and the number of counties in state B are consecutive even integers whose sum is 138 138. If s

ss7ja [257]

Answer:

The number of counties in state A are 70.

The number of counties in state B are 68.

Step-by-step explanation:

The number of counties in state A and the number of counties in state B are consecutive even integers whose sum is 138.

Let the two consecutive even integers be x and x+2.

As their sum is 138, we can denote this mathematically as :

$x+x+2=138$

$=> 2x+2=138$

$=> 2x=138-2$

$=> 2x=136$

Now, we get x = 68

And $x+2=68+2$ = 70

Hence, the two numbers are 68 and 70.

So, the number of counties in state A are 70.

The number of counties in state B are 68.

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3 years ago

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please help.....................................................................................................................

irina [24]

You have to find the average of 38 and 42 (witch is 40) and then set it to a ratio of 40:100 multiply both sides by 8.5 and we get 340

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4 years ago

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mestny [16]

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3 years ago

Estimate 3,245 ÷ 8 =

Kazeer [188]

Answer:

406

Step-by-step explanation:

3,245 divide by 8 equals 405.625 so rounding up it equals 406

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3 years ago