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murzikaleks [220]
4 years ago
13

Determine the general solution: sin 2x=-1/2

Mathematics
1 answer:
stellarik [79]4 years ago
8 0

as sin (11pi/6) = -1/2

so 

2x= 7pi/6+2npi
and

2x= 11pi/6 + 2npi

solve both of them for x and you will get your answer



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Kayla is baking cupcakes. She needs 2 3 4cups of white sugar and 1 5 6 cups of brown sugar. How much sugar is in Kayla's cupcake
WITCHER [35]

Complete Question

Kayla is baking cupcakes. She needs 2 3/4cups of white sugar and 1 5/6 cups of brown sugar. How much sugar is in Kayla's cupcakes?

Answer:

4 5/12 Cups of sugar

Step-by-step explanation:

She needs 2 3/4cups of white sugar and 1 5/6 cups of brown sugar.

The amount of sugar is in Kayla's cupcakes is calculated as:

White sugar + Brown Sugar

= 2 3/4 cups + 1 5/6 cups

2+ 1 + [ 3/4 + 5/6]

Lowes Common Denominator = 12

3 + [9 +10/12]

3 + 19/12

3 + 1 5/12

= 4 5/12 Cups of sugar

Therefore, 4 5/12 Cups of sugar is in Kayla's cupcakes.

4 0
3 years ago
Which correctly Applies the distributaries property to show an equivalent expression to (-2.1)(3.4)
liubo4ka [24]

Answer:

(–2.1)(3) + (–2.1)(0.4)

Step-by-step explanation:

It's D

8 0
3 years ago
Can someone please help me
NeTakaya
I hope this helps you

3 0
3 years ago
Extra points!!Complete the following transactions and explain how they would appear in your register.
steposvetlana [31]

Answer:

the final balance as of October 24 is $831.02

Step-by-step explanation:

1. We use a formulae to calculate the final balance as of October 24

2. Bf = I - E + Bi

Where Bf- final balance, Bi- initial balance, I- income, E- expenses

3. Let's get the income

Pay check; 7.25 ×40 × 2 weeks= 580 .

Taxes; 7.65% of 580= 44.37

12% of 580 = 69.6

8.75% of 580 = 50.75

Total taxes= 164.72

Income = 580 - 164.72

= $ 415.28

4. Let get the expenses

One of the sales tax is 6% which will give 1.06 the price of the item. The other expense has no tax. So expenses= 1.06 ×78.54 + 43.9= $ 127.153

Bi = initial balance = $ 542.89

Using the formulae

Bf = I - E + Bi

Final balance= 415.28- 127.1524 + 542.89

=$831.02

Therefore the final balance as of October 24 is $831.02

4 0
4 years ago
What is the product of ( 3y)(254)?
SVETLANKA909090 [29]

Answer:

762 y

Step-by-step explanation:

Product of numbers = (3y) ×254

Product = 3 × 254 × y = 762y

5 0
4 years ago
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