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ryzh [129]
3 years ago
8

Use trigonometric identities to solve each equation within the given domain.

Mathematics
1 answer:
Softa [21]3 years ago
3 0

Answer:

A) X=pi/2 or X=-pi/2

B) X=pi/6 or X=-pi/6

C) X=pi/4 , 3pi/4, 5pi/4 and 7pi/4

D) X= 1-cos^2(x/2)

E) X= pi/3 +2pi N, 5pi/3+2pi N

Step-by-step explanation:

Don't even bother asking. :)

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A home improvement store buys snow shovels from a supplier for $8.50. The day before a snowstorm the store manager marks up the
balandron [24]

Answer:

The retail price is $15.30

Step-by-step explanation:

To solve this, turn the percentage into a decimal. Do this by dividing it by 100.

       180 ÷ 100 = 1.8

Then, multiply the supplier price by the decimal

      8.5 × 1.8 = $15.30

7 0
3 years ago
Danielle invests $2,007 in a retirement
ivanzaharov [21]
Formula For finding Simple interest= Profit x rate x time/ 100

Profit = $2,007 x Rate= 7% x Time = 16 years


2,007 x 7 x 16
__________ = 224,784 ÷100 = 2,247.84
100


Answer :- 2247.84
5 0
3 years ago
Read 2 more answers
Multiple and convert to simplest form​
Lady bird [3.3K]

Answer:

1)4

2)28

3)18.3

4)38.5

5)22.5

6)19.25

7)25.5

8)69.666

9)6.5

10)22.666

Step-by-step explanation:

  • To do this first you should convert the mix numbers into inproper fractions and then solve.

1)8/5*5/2=4

2)21/5*20/3=7*4

                  =28

3)33/4*20/9=11*5/3

                   =55/3

                   =18.33...

                   =18.3

4)35/6*33/5=7*11/2

                   =77/2

                   =38.5

5)22/8*90/11=45/2

                    =22.5

6)11/3*21/4=11*7/4

                 =77/4

                 =19.25

7)34/5*15/4=34*3/4

                  =25.5

8)22/3*57/6=11*19/3

                   =209/3

                   =69.666

9)39/8*4/3=13/2

                 =6.5

10)17/2*8/3=17*4/3

                 =68/3

                 =22.666

<em>Hope you got this</em>

<em>If you have any doubt please ask me</em>

<em>If you need this in fraction form just check the attachment</em>

5 0
3 years ago
Please need help thank you
valentinak56 [21]
Might be 1? Because it is 100 each
5 0
3 years ago
Using no digits other than 5 and 8, make a 6-digit number, that has the properties below. If it is impossible, write so. Of cour
Anna11 [10]
Since it's a multiple of 24, it has to be a multiple of the factors of 24.

Factors of 24:
2,3,4,6,8,12

You can use some of this knowledge to help create the number.
Since the # needs to be a multiple off 2, the last digit needs to be an 8

All numbers that are multiples of 3 have the property that all of their digits added together have to be a number that is evenly divisible by 3.

so your number will look like:
_ _ _ _ _ 8

so start trying combinations for the other 5 digits that give you a number that is a multiple of 3: 3,6,9,12,15, ect. If you can't find one, then it's impossible
5 0
3 years ago
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