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4 years ago

13

Geometry; A circle has 360 degrees. If the circle is divided in half, how many degrees does each half measure

1 answer:

sertanlavr [38]4 years ago

8 0

Answer:180

Step-by-step explanation:

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Which expression is equivalent to sin(1.8x) sin(0.5x)?

Rasek [7]

Hum, this problem was difficult. You use the next expression to solve this problem. \[\cos (A - B) = \cos A \cos B + \sin A \sin B \] \[\cos (A + B) = \cos A \cos B - \sin A \sin B\] \[\cos (A - B ) - \cos (A +B ) =2 \sin A \sin B\] So \[\sin A \sin B = 0.5 \left( \cos(A - B) - \cos(A + B) \right)\] A = 1.8 x, B = 0.5 x \[\sin (1.8x) \sin (0.5x) = 0.5\left( \cos(1.8-0.5)x - \cos(1.8+0.5)x \right)\]\[= 0.5 \left( \cos(1.3x) - \cos (2.3x) \right)\] It's finish !!

3 0

3 years ago

anastassius [24]

$\huge\underline\mathbb\pink{ANSWER}\\\\$

1)

<h2> $\frac{504}{7}$ </h2>

=> 72.0

2)

<h2> $\frac{4312}{7}$ </h2>

=> 616.0

If we add the two numbers we get....

=> 72.0 + 616.0

=> 688.0 $\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:$ <em><u>Ans.</u></em>

$\\\\\\\\$

HOPE IT HELPS

PLEASE MARK ME BRAINLIEST ☺️

8 0

3 years ago

A store is holding a sale during which all items will be sold at 30% less than their marked prices. How much will a rug marked $

IceJOKER [234]

Answer:

Cost of rug during sale = $140

Step-by-step explanation:

Given

Marked price of rug in a store = $200

The store is holding a sale and offering a flat 30% less on marked price on all items

This means the sale price of all items would decrease by 30%

We can calculate the discount offered by taking out percentage discount of the marked price.

Discount offered on rug = 30% of Marked price $=0.30\times200=\$60$

The discount is then subtracted from the marked price to get the price of rug during sale.

∴ Price of rug during sale = Marked price - Discount $=\$200-\$60 =\$140$

6 0

4 years ago

A man ate 100 bananas in five days, each day eating 6 more than the previous day. How many bananas did he eat on the first day?

aleksandr82 [10.1K]

Answer:

i think its 26

Step-by-step explanation:

4 0

4 years ago

How to put 8x - 7y = 23 into slope intercept form

viva [34]

Y = mx + b is the slope intersect form.

so 8x - 7y = 23
-7y = -8x + 23
y = -8x/-7 + 23/-7
y = 8/7x - 23/7 Ans

5 0

4 years ago