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Blizzard [7]
2 years ago
10

Write the equation of the line in fully simplified slope-intercept form.

Mathematics
2 answers:
Alexxandr [17]2 years ago
5 0

Use 2 points on the line to find the slope.

Slope = change in y / change in x

The two points used: (-2,5) and ( 1,-10)


slope = (-10 -5) /(1- -2) = -15/3 = -5


the y intercept is where the line is at in the y direction when it crosses the x axis at 0.


the y intercept is -5


The equation is y = -5x -5

Oksanka [162]2 years ago
5 0

Answer:

y=-9/2x-4

Step-by-step explanation:

see explanation in photo below

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What are all the fractions that are between 1/2 and 1.
Oksanka [162]

Answer:

2/4, 3/5,3/4, 2/3,13/25, 27/50 11/20, 14/25, 29/50,31/50, 63/100,16/25,33/50,17/25,7/10,18/25,37/50,19/25,77/100,39/50,4/541/50, 83/100, 21/25 , 17/20, 43/50 , 87/100,22/25,9/10, 91/100, 23/25, 93/100, 47/50, 19/20 , 24/25  97/100, 49/50,99/100(note that I did not state all the fractions between 1/2 and 1)

Step-by-step explanation:

Firstly one half(1/2) represents 0.50 as a decimal and 1 would be 1.00

This is like saying finding Fractions that give you percentages between 50% and 100%

for example:

you could simplify 52/100 and get 31/50

31/50 as a decimal would be 0.52  and 0.52 falls between(0.50 and 1.00) 1/2 and 1

example 2: 89/100= 0.9 (same as0.90) and [90/100] is same as 9/10 = 0.9

0.90 or 0.9 (zero point nine) is not the same as 0.09(zero point zero nine

If you are using a casio calculator, you can simplify the fraction by putting in your numerator then pressing |a b/c| button then enter the denominator, then the calculator should simplify the fraction, if the fraction remains the same, this means that it cant be further simplified.if your calculator has

| a b/c| then you can also use it.

or use an online calculator or simplify if you wish

To <em>find the decimal of that fraction you can simply divide the numerator by the denominator, Example; 82/100 is same as 0.82 and 41/50 is same as 0.82.</em>

5 0
2 years ago
Carbon-14 has a half-life of 5720 years and this is a first order reaction. If a piece of wood has converted 75% of the carbon-1
Doss [256]
The amount of the substance (At) at any time t is calculated through the equation,
                                  At = (A0)(e^-kt)
where A0 is the initial amount and k is constant. 

For the half-life,
                              ln (At / A0) = ln 0.5 = -k(5270 years)
The value of k is 1.3153x10^-4 / year.
Substituting this value to the same equation, where At = 0.25A0
                                    ln 0.25 = -(1.3153 x 10^-4)(t)
The value of t from this equation is 10540 years. The closest value to this is letter A. 
                                
4 0
3 years ago
Read 2 more answers
A map has a scale of 1/2 inch to 4 miles. The shortest distance between two cities on the map measures 8 inches. If d represents
azamat
The answer would be C because for every 1 inch, would be 8 miles, so we then multiply the inches by 8 to get to 8 inches, so we then multiply the miles by 8 and we get 64 miles.

D = 64 mi.
5 0
3 years ago
Read 2 more answers
Helppppppp!!!!!!!!! plzzzzzz!!!!
nataly862011 [7]
Answer:
9. y=-2x+3
10. y=-1x+7
7 0
3 years ago
A¹×a³×a-9 please help me I don't understand this and it's stressful​
bonufazy [111]

Answer:

a^-27

Step-by-step explanation:

the numbers up top have to be multiplied.

1*3*-9=-27

3 0
3 years ago
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