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3 years ago

6/9 9/12 wich one is bigger

Mathematics

2 answers:

igor_vitrenko [27]3 years ago

6 0

Answer:

$\frac{9}{12}$ is the biggest

Step-by-step explanation:

I converted the fraction to a decimal by dividing the numerator by the denominator.

$\frac{6}{9}$ is 0.6... (6 is repeating)

$\frac{9}{12}$ is 0.75

When looking at these 2 decimals I know 0.75 is bigger.

Which means $\frac{9}{12}\\$ is the biggest.

Alexxandr [17]3 years ago

3 0

Answer:

9/12

Step-by-step explanation:

because I is the biggest number

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NASA launches a rocket at t = 0 seconds. Its height, in meters above sea-level, as a function of time is given by h ( t ) = − 4.

Oliga [24]

Answer:

$\displaystyle 1)48.2 \: \: \text{sec}$

$\rm \displaystyle 2)3021.6 \: m$

Step-by-step explanation:

<h3>Question-1:</h3>

so when flash down occurs the rocket will be in the ground in other words the elevation(height) from ground level will be 0 therefore,

to figure out the time of flash down we can set h(t) to 0 by doing so we obtain:

$\displaystyle - 4.9 {t}^{2} + 229t + 346 = 0$

to solve the equation can consider the quadratic formula given by

$\displaystyle x = \frac{ - b \pm \sqrt{ {b}^{2} - 4 ac} }{2a}$

so let our a,b and c be -4.9,229 and 346 Thus substitute:

$\rm\displaystyle t = \frac{ - (229) \pm \sqrt{ {229}^{2} - 4.( - 4.9)(346)} }{2.( - 4.9)}$

remove parentheses:

$\rm\displaystyle t = \frac{ - 229 \pm \sqrt{ {229}^{2} - 4.( - 4.9)(346)} }{2.( - 4.9)}$

simplify square:

$\rm\displaystyle t = \frac{ - 229 \pm \sqrt{ 52441- 4( - 4.9)(346)} }{2.( - 4.9)}$

simplify multiplication:

$\rm\displaystyle t = \frac{ - 229 \pm \sqrt{ 52441- 6781.6} }{ - 9.8}$

simplify Substraction:

$\rm\displaystyle t = \frac{ - 229 \pm \sqrt{ 45659.4} }{ - 9.8}$

by simplifying we acquire:

$\displaystyle t = 48.2 \: \: \: \text{and} \quad - 1.5$

since time can't be negative

$\displaystyle t = 48.2$

hence,

at 48.2 seconds splashdown occurs

<h3>Question-2:</h3>

to figure out the maximum height we have to figure out the maximum Time first in that case the following formula can be considered

$\displaystyle x _{ \text{max}} = \frac{ - b}{2a}$

let a and b be -4.9 and 229 respectively thus substitute:

$\displaystyle t _{ \text{max}} = \frac{ - 229}{2( - 4.9)}$

simplify which yields:

$\displaystyle t _{ \text{max}} = 23.4$

now plug in the maximum t to the function:

$\rm \displaystyle h(23.4)- 4.9 {(23.4)}^{2} + 229(23.4)+ 346$

simplify:

$\rm \displaystyle h(23.4) = 3021.6$

hence,

about 3021.6 meters high above sea-level the rocket gets at its peak?

5 0

2 years ago

The sum of two consecutive integers is 85. What are those two integers?

chubhunter [2.5K]

Answer:

41 and 42

Step-by-step explanation:

Let the integers be x and x + 1

=> x + x + 1 = 85

=> 2x + 1 = 85

=> 2x = 84

=> x = 84/2

=> x = 41

Integers are :

41 and 42

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2 years ago

Add rational numbers 3/5+4/5= How do you get the answer 1. /5

Nikitich [7]

I don’t understand you second question but this is the work for the first one.

Hope it helps!

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3 years ago

Write this into a word form. Giving brainliest 8n=42

steposvetlana [31]

Answer:

Step-by-step explanation:

The product of eight and some number n is equal to 42

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3 years ago

A bag contains white marbles and red marbles, 126 in total. The number of white marbles is 6 more than 5 times the number of red

mixer [17]

106 should be the answer.

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3 years ago

6/9​ 9/12 wich one is bigger

6/9 9/12 wich one is bigger