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notka56 [123]
3 years ago
7

Order the rational Numbers in Descending Order -1/2, -0.45, -2/3, -40%, -66%, -0.65

Mathematics
1 answer:
Agata [3.3K]3 years ago
8 0

Answer:

-2/3, -66%, -0.65, -1/2, -0.45, -40%

Step-by-step explanation:

using the given inputs you can rewrite the imputs as decimals and sort the decimal values in order from least to greatest

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Rewrite the product as a sum: 10cos(5x)sin(10x)
mote1985 [20]

Answer:

10cos(5x)sin(10x) =  5[sin (15x) + sin (5x)]

Step-by-step explanation:

In this question, we are tasked with writing the product as a sum.

To do this, we shall be using the sum to product formula below;

cosαsinβ = 1/2[ sin(α + β) - sin(α - β)]

From the question, we can say α= 5x and β= 10x

Plugging these values into the equation, we have

10cos(5x)sin(10x) = (10) × 1/2[sin (5x + 10x) - sin(5x - 10x)]

= 5[sin (15x) - sin (-5x)]

We apply odd identity i.e sin(-x) = -sinx

Thus applying same to sin(-5x)

sin(-5x) = -sin(5x)

Thus;

5[sin (15x) - sin (-5x)] = 5[sin (15x) -(-sin(5x))]

= 5[sin (15x) + sin (5x)]

Hence,  10cos(5x)sin(10x) =  5[sin (15x) + sin (5x)]

8 0
3 years ago
Richard is planning a banquet for the wrestling
Dvinal [7]
Y= total price
x= amount of people
b= one time fee

answer is y = 22x + 405
4 0
3 years ago
3. What is the slope of the line passing through (15,-5) and (3, -8)?
Andrej [43]
M= -8 - -5/ 3 - 15= -8+5/3-15= -3/-12 = 3/12 = 1/4 


The slope is 1/4. 
The slope formula is m=y2-y1/x2-x1. I plugged in -8=y2, -5=y1, 3=x2, and 15=x1. Then I solved it.
6 0
3 years ago
Read 2 more answers
Jane will rent a car for the weekend. She can choose one of two plans. The first plan has an initial fee of $55 and costs an add
pishuonlain [190]
She will need to drive 110 miles to be the same
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3 years ago
Find the unknown sides of the triangle
DedPeter [7]

Answer:

the unknown side of the triangle is 2\sqrt{21}

Step-by-step explanation:

a^2+b^2=c^2

4^2+b^2=10^2

16+b^2=100

b^2=100-16

b^2=84

b=\sqrt{84} or 2\sqrt{21}

7 0
2 years ago
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