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3 years ago

Graph y+5x+2.5=0 and (x,y):x->1)

Mathematics

1 answer:

Hunter-Best [27]3 years ago

5 0

Since this is numberical data graph it as a line graph

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Marcus traveled 45.5 miles in 3.25 hours. Part A How many feet did Marcus travel? (1 mile=5,280 feet)

snow_lady [41]

Answer:780,780 I don't know if it is right though.....

Step-by-step explanation:

3 0

2 years ago

Solve for x in the equation x squared + 2 x + 1 = 17.

Papessa [141]

Answer:

$x = - 1 + \sqrt{17}\\and\\x = - 1 - \sqrt{17}\\$

Step-by-step explanation:

given equation

$x^2 +2x +1 = 17$

subtracting 17 from both sides

$x^2 +2x +1 = 17\\x^2 +2x +1 -17= 17-17\\x^2 +2x - 16 = 0\\$

the solution for quadratic equation

$ax^2 + bx + c = 0$ is given by

x = $x = -b + \sqrt{b^2 - 4ac} /2a \\\\and \ \\-b - \sqrt{b^2 - 4ac} /2a$

________________________________

in our problem

a = 1

b = 2

c = -16

$x =( -2 + \sqrt{2^2 - 4*1*-16}) /2*1 \\x =( -2 + \sqrt{4 + 64}) /2\\x =( -2 + \sqrt{68} )/2\\x = ( -2 + \sqrt{4*17} )/2\\x = ( -2 + 2\sqrt{17} )/2\\x = - 1 + \sqrt{17}\\and\\\\x = - 1 - \sqrt{17}\\$

thus value of x is

$x = - 1 + \sqrt{17}\\and\\x = - 1 - \sqrt{17}\\$

3 0

2 years ago

Luna collected two random samples of 100 citizens each, with the results listed below. She made the inference that the least pop

kenny6666 [7]

Answer:

no its not

Step-by-step explanation:

from 2 random samples you cant figure it out

5 0

2 years ago

Simplify this expression: 19 – (–8) – (–14) = ? <br> A. –7<br> B. –3<br> C. 41<br> D. 25

Mrac [35]

The answer is C. 41.

6 0

3 years ago

In the fraction 35/10 what is the product that lies between

RUDIKE [14]

The result of the fraction is 3.5

we can calculate this like this:
$\frac{35}{10} = \frac{5*7}{2*5} = \frac{7}{5}=3.5$

I think that the question is asking between which two natural numbers the result lies, and the result is 3 and 4: it's bigger than 3 and smaller than 4

8 0

2 years ago