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vlada-n [284]
3 years ago
14

25 points Please Answer ASAP

Mathematics
2 answers:
DanielleElmas [232]3 years ago
8 0
D - the objects particles move faster
denpristay [2]3 years ago
6 0

D. the object's particles move faster. the hotter it becomes the faster they move, the colder the slower. Hope this Helps

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jades the contains 750 miller's of water. he drink 520 milliliters at practice and then another 190 milliliters on his way home.
Nostrana [21]
40 because
 750
-520
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-190
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   40
4 0
3 years ago
Fifteen years from now Ravi's age will be four times his present age.What is Ravi's present age ? Frame the equation and solve.
Archy [21]

Answer:

Ravi's age after 15 years = x+15

Ravi's age = 4 times his present age = 4x

According to question -

15 + x = 4x

=> 15 = 4x-x = 3x

=> 15 = 3x

=> x = 15/3

=> x = 5

Thus , Ravi's present age is 5 years.

Step-by-step explanation:

7 0
3 years ago
What is blank divided by 750 equals 4
pychu [463]
X/750=4
multiply both sides by 750
x=3000

the number is 3000
6 0
3 years ago
find the equations of the tangents to the curve y= x(x-1)(x+2) at the points where the curve cuts the x axis
antoniya [11.8K]

First of all, we compute the points of interest, i.e. the points where the curve cuts the x axis: since the expression is already factored, we have

x(x-1)(x+2) = 0 \iff x=0\ \lor\ x-1=0\ \lor\ x+2=0

Which means that the roots are

x=0\ \lor\ x=1\ \lor\ x=-2

Next, we can expand the function definition:

y = x(x-1)(x+2) = x^3 + x^2 - 2x

In this form, it is much easier to compute the derivative:

y' = 3x^2+2x-2

If we evaluate the derivative in the points of interest, we have

y'(-2) = 6,\quad y'(0)=-2,\quad y'(1)=3

This means that we are looking for the equations of three lines, of which we know a point and the slope. The equation

y-y_0=m(x-x_0)

is what we need. The three lines are:

y-0=6(x+2) \iff y = 6x+12  This is the tangent at x = -2

y-0=-2(x-0) \iff y = -2x  This is the tangent at x = 0

y-0=3(x-1) \iff y = 3x-3  This is the tangent at x = 1

7 0
3 years ago
A line has a slope of -2/3 and passes through the point (–3, 8). What is the equation of the line?
Lapatulllka [165]

Answer:

y=-2/3x+8

Step-by-step explanation:

Okay, so the formula to find slope is y=mx+b, so we would start off by writing that. M in the equation represents the slope and b represents the y-intercept.

y=mx+b

y=-2/3x+b

y=-2/3x+8

I

4 0
3 years ago
Read 2 more answers
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