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romanna [79]
3 years ago
6

32 cookies. Each cookie costs $.65, including tax. Of the cookies she bought, 1/4 were lemon cookies. What was the total cost of

only the lemon cookies?
Mathematics
1 answer:
Nata [24]3 years ago
7 0
The total cost of the lemon cookies is $5.20
First you have to divide 32 by 4 and multiply the sum by $.65 then, you get $5.20.
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Whats the square root of 1/5 minus the square root of 5
I am Lyosha [343]
You have to simplify the 1/5 first.
Then simplify the square root of 1 to equal 1
Then rationalize the denominator
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Order 27.657, 27.658, 27.558, and 27.659 in decreasing order.<br><br> Thx-Kheri Moore
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Answer:

The answer is

1.    27.659

2.   27.658

3.   27.657

4.   27.558

Step-by-step explanation:

Decreasing order is greatest number to the least.

I really hope this helps

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Find the first, fourth, and eighth terms of the sequence. A(n) = –3 • 2^n–1
Sphinxa [80]
A(n) = –3 • 2⁽ⁿ⁻¹⁾

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for n = 2 ,  A₂ = -3.(2)¹ = -6
for n = 3 ,  A₃ = -3.(2)² = -12
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...........................................
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4 0
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If you had a 15 foot ladder, how far away from the base of a wall would you have to put it to reach a window 12 feet up?
Kruka [31]

Answer:

9.000000001

Step-by-step explanation:

If the hypotenuse is  15, the ladder, facing the right angle, and the opposite is 12 we need to use SOH to find the angle.

sin of angle is opposite / hypotenuse

sin of angle is 12 / 15

12/15 = 0.8

sin^-1 of 0.8 = 53.13010235

Angle is that

Then we do this again but a different equation

cos of angle is adjacent (x which we are looking for) / hypotenuse

cos of 53.13... is x / 15

(15 x cos of 53.13... )is x

So 15 x cos of 53.13... is 9.000000001 feet away.

5 0
2 years ago
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