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3 years ago

Multiply. Write your answer in simplest form. 2 1/2 x 3 2/3

Mathematics

2 answers:

oksian1 [2.3K]3 years ago

7 0

$2 \frac{1}{2} * 3 \frac{2}{3} = \frac{5}{2} * \frac{11}{3}$
= $\frac{55}{6}$
= $9 \frac{1}{6}$

yKpoI14uk [10]3 years ago

7 0

Answer:

9^1/6

Step-by-step explanation:

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Prove the following identity sin x(sec x+cscx)= tan x +1

Alexxandr [17]

Answer:

Step-by-step explanation:

________________________________________________________

FACTS TO KNOW BEFORE SOLVING :-

$\sin x = \frac{1}{cosec \: x} \: \: or \: \: cosex \: x = \frac{1}{\sin x}$

$\cos x = \frac{1}{\sec x} \: \:or \: \: \sec x = \frac{1}{\cos x}$

$\tan x = \frac{\sin x}{\cos x}$

________________________________________________________

In the question ,

L.H.S. = $\sin x (\sec x + cosec \: x)$

R.H.S. = $\tan x + 1$

Lets solve L.H.S. first.

$\sin x (\sec x + cosec \: x)$

$=> \sin x( \frac{1}{\cos x} + \frac{1}{\sin x} )$

$=> \frac{\sin x}{\cos x} + \frac{\sin x}{\sin x}$

$=> \tan x + 1$

∴ L.H.S. = R.H.S. (Proved)

3 0

3 years ago

6 1 4 (x− 2 3 )=9 3 8

andreyandreev [35.5K]

614x-14122=938
614x-14122-938=0
614x-15060=0
x= 14446
Please mark Brainliest
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3 0

3 years ago

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A police car drives 108km in 1 1/2 hours what is its average speed in kilometers per hour.

zhuklara [117]

ANSWER

72km/h

EXPLANATION

The average speed of the car can be calculated using the formula:

Average Speed=total distance/ total time taken.

The car covers a distance of 108km in 1½ hours.

We substitute the values into the formula to obtain,

$Average \: \: Speed= \frac{108}{1.5}$

$Average \: \: Speed=72 {kmh}^{ - 1}$

Therefore the average speed of the journey is 72km/h

7 0

3 years ago

jasmine took four 20 points quizzes in her math class. if her scores were,18,15,20,15, what was her mean quiz score

g100num [7]

Answer: 17

Step-by-step explanation: ok so first to find the mean you add all the numbers then divide by how many numbers there is so basically 18 plus 15 plus 20 plus 15 then divide by 4 because there is 4 numbers and once you do that it is 17

3 0

3 years ago

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Yes I need help plz !!!!!!!!!!!

Delicious77 [7]

Answer:

Slope = -2

Step-by-step explanation:

slope = (y₂ - y₁)/(x₂ - x₁)

s = (6 - 0)/(-3 - 0)

s = 6 / -3

s = -2

I hope this helped and please mark me as brainliest!

4 0

2 years ago

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