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Oksanka [162]
3 years ago
12

Solve for y. 5x-10y=-40

Mathematics
2 answers:
marusya05 [52]3 years ago
4 0
Y=4


-10/-10 = -40/-10 

-40/-10 = 4
Andru [333]3 years ago
4 0
This is the answer x = 8 + 2y

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What is the equation of a line that has a slope of 2 and passes through the point (4,6) ?
natka813 [3]

Answer:

y-6=2\,(x-4)

or in slope y-intercept form :

y=2x-2

Step-by-step explanation:

The easiest way of find the answer for this is to use what is called the "point-slope" form of a line, because you are in fact given the value of the slope (m) and also a point   (x_0,y_0)  it goes through:

y-y_0=m\,(x-x_0)

In our case the equation becomes:

y-y_0=m\,(x-x_0)\\y-6=2\,(x-4)\\

This can also be written in the slope-intercept form by solving for "y" and operating to remove the parenthesis:

y-6=2\,(x-4)\\y=2x-8+6\\y=2x-2

7 0
3 years ago
The measure of angle 4 is 45. If angle 4 is congruent to angle 1, what is the measure of angle 5?
mr_godi [17]
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8 0
3 years ago
Wich one is bigger 3/3 or 7/8
MrRissso [65]
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4 0
3 years ago
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3 0
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Vera_Pavlovna [14]

Answer:

P(A or B) represents the probability that a customer will buy either a mouse or a reptile at the pet store.  So, there is a 20%, or 1 out 5 chance that a customer will buy either one when they come in to purchase a pet.

Step-by-step explanation:

Probability represents the fraction of the desired number of outcomes over the total number of outcomes.  In the case of the pet store, their total outcomes can be the purchase of a mouse, reptile or bird.  We don't know how much of each animal they have, however, they tell us that the probability that a customer will buy either a mouse OR a reptile is 0.20.  This means that the probability of buying a mouse and the probability of buying a reptile are added together to equal 0.20 or 20% which is also 1/5.  

7 0
3 years ago
Read 2 more answers
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