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2 years ago

What is 14/15 - 1/3? In simplest form

Mathematics

2 answers:

nadya68 [22]2 years ago

6 0

Answer:

14-5/15

9/15 is your answer

avanturin [10]2 years ago

5 0

Answer:

0.6 or 3/5

Step-by-step explanation:

The answer to your question is 0.6 as a decimal and 3/5 as a fraction.

I hope it helps! Have a great day!

Lilac~

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What’s the value of [-1.1]

arlik [135]

The value is 1.1. Because it is 1.1 spaces away. the negative symbol isn’t,t important in this case.

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4 years ago

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Yolanda participated in a walkathon in which each kilometer walked raised $10 for charity. Her goal was to raise more than $300

KiRa [710]

Answer:

Step-by-step explanation:

She needed to raise at least $250

$250 divided by $10 equals 25 km

So she need more than 25km to raise over $300

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3 years ago

What is the x and y intercepts Of “ -2y=3x-6 “ ?

vesna_86 [32]

$-2y=3x-6\ \ \ \ |:(-2)\\\\y=-1.5x+3$

It's a slope-intercept form where a slope = -1.5 and y-intercept = 3.

x - intercept: y = 0

Therefore we have the equation:

-1.5x + 3 = 0 |-3

-1.5x = -3 |:(-1.5)

x = 2

Answer: x-intercept = 2, y-intercept = 3

5 0

3 years ago

Help this makes no sense to me and its due in 1 day

Ganezh [65]

First we can find the line RT which is the square root of 40^2-32^2 which is equal to 24.

RT=24

Right Triangle Altitude Theorem Part: The measure of the altitude drawn from the vertex of the right angle of a right triangle to its hypotenuse is the geometric mean between the measures of the two segments of the hypotenuse.

The geometric mean of 32 and TS is 24, so set up equation.

2nd root or square root of 32*TS=24

32*TS=576

TS=18

QS=18+32=50

I hope this answer helped if you have any questions feel free to ask me in the comments.

7 0

3 years ago

(1 point) Newton's law of cooling states that the temperature of an object changes at a rate proportional to the difference betw

slavikrds [6]

Answer:

a. $\frac{dT}{dt}=k(T-Tm); T(0)=190$

b. $C_{0}=122$

c. $k=-0.00259$

d. $t=153.39838\\$ minutos

Step-by-step explanation:

a. Newton's law of cooling states that the speed with which a body is cooled is proportional to the difference between its temperature and that of the medium in which it is found. Then, the initial value problem is given by:

$Tm=68$

$\frac{dT}{dt}=k(T-Tm); T(0)=190$

b. The differential equation obtained is a differential equation of separable variables:

$\frac{dT}{T-Tm}=kdt\\\\\int {\frac{dT}{T-Tm}}=\int{kdt}\\\\Ln|T-Tm|=kt+C\\\\T(t)=C_{0}e^{kt}+Tm=C_{0}e^{kt}+68\\\\T(0)=C_{0}e^{k(0)}+68=190\\\\C_{0}=122$

c. After 33 minutes of serving the coffee has cooled to 180°:

$T(33)=122e^{33k}+68=180\\\\e^{33k}=\frac{112}{122}\\\\33k=Ln(\frac{112}{122})\\\\k=-0.00259$

$150=122e^{-0.00259t}+68\\\\Ln(\frac{150-68}{122})=-0.00259t\\\\t=153.39838\\\\$

8 0

3 years ago