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Vikentia [17]
3 years ago
13

Which represents the domain of the relation {(–1, 4), (2, –3), (0, –2), (1, –3)}? {–3, –2, 4} {–3, –2, –1, 0, 1, 2, 4} {–1, 0, 1

, 2} {–3}
Mathematics
1 answer:
sertanlavr [38]3 years ago
5 0

Answer:

(2, -3)

Step-by-step explanation:

(2,-3)

(0, -3)

(1, -3)

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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
The reciprocal function of tangent is: <br> a. secant <br> b. cosecant <br> c. some<br> d. cotangent
DedPeter [7]

It is cotangent

Sin-CSC

cosin-sec

tan-cot

8 0
3 years ago
9,15 it that equivalent
Cloud [144]

Answer:

No

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
At noon a train leaves Washington, D.C., headed for Charleston, South Carolina, a distance of 500 mi. The train travels at a spe
Bogdan [553]

Answer:

6 hours

Step-by-step explanation:

Answer:

6 hours

Step-by-step explanation:

Firstly, it is important to know where the train that leaves Washington will get after one hour since they didn't start at the same time between noon and 1 is 1 hour.

Speed = distance / time

Distance = speed * time

The distance S = 44 * 1

S= 44m

To determine the time they will pass each other

500(total distance)- 44 ( distance gotten to in 1 hour) - d(the distance it willl pass each other =44* t(time the train will pass each other.

456-d =44t

Second train

d = 32t

Substituting to the equation

456-32t=44t

456=76t

t= 6 hours.

The time they will pass each other is six hours.

4 0
3 years ago
What kind of sequence is the pattern 15, 17, 20, 24, 29,
VikaD [51]

\implies {\blue {\boxed {\boxed {\purple {\sf { \: 15, 17, 20, 24, 29,35, 42}}}}}}

\sf \bf {\boxed {\mathbb {Step-by-step\:explanation:}}}

\: 15, 17, 20, 24, 29,35, 42

➺ \: 15 + 2 = 17

➺\: 17 + 3 = 20

➺\: 20 + 4 = 24

➺\: 24 + 5 = 29

➺\: 29 + 6 = 35

➺\: 35 + 7 = 42

\large\mathfrak{{\pmb{\underline{\orange{Mystique35 }}{\orange{❦}}}}}

7 0
2 years ago
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