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lana [24]
3 years ago
7

Identify the x-intercept and y-intercept of the line

Mathematics
1 answer:
finlep [7]3 years ago
7 0
<span>4x−2y=−12
-2y = -4x - 12
y = 2x + 6

The y-intercept is b, in the equation y = mx + b.
So that means here the y-intercept is 6.

Now to get the x-intercept, you need to put the y at 0.

0 = 2x + 6
-6 = 2x
-3 = x

X-intercept is -3.

Also remember that the x and y intercepts look like this: (x, y). For the x-intercept, the y has to be at 0. For the y-intercept, the x has to be at 0.

So the answer is B.</span>
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What is the slope of (1,2) (-3,-9)
kati45 [8]

Answer:

(11/4) is the slope

Step-by-step explanation:

1) Subtract the second y value (-9) by the first y value (2) in the coordinates. This equals 11.

2) Then, subtract the second x value (-3) by the first x value (1) in the coordinates. This equals 4.

3) Divide the answer you get for step one by the answer for step 2 and that's your slope. 11/4

8 0
3 years ago
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What is the surface area of the rectangular prism below?
Andrew [12]

Answer:

B ( 432 units^2)

Step-by-step explanation:

Total surface area= 2*(6*6)+ 4*(15*6)

There are 2 squares at each end of the same size so total area will be 2*(6*6)

If we look at the rectangles( bottom, top and the sides), we can see that all are of same dimensions and there are 4 of them so it's 4*(15*6)

In short, total surface area= 2*(6*6)+ 4*(15*6) = 432 units^2

5 0
3 years ago
Tom drinks 4 pints of water a day. ​How many full tanks of water will he drink in 30 days if the tank holds 5 gallons
OleMash [197]

Answer:

120

Step-by-step explanation:

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3 years ago
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A satellite is composed of 30 modular units, each of which is equipped with a set of sensors, some of which have been upgraded.
Mazyrski [523]

Answer:

1/7 (option d) of the sensors on the satellite have been upgraded

Step-by-step explanation:

Each unit contains the same number of non-upgraded sensors

number of non-upgraded sensors for each module (nus)

total number of upgraded sensors on the satellite (tus)

satellite is composed of 30 modular units

total number of non-upgraded sensors on the satellite (tnus):

tnus=30*nus

total number of sensors on the satellite (ts):

ts=tnus+tus = 30*nus + tus (I)

The number of non-upgraded sensors on one unit is 1/5 the total number of upgraded sensors on the entire satellite

nus=(1/5)*tus

tus = 5 * nus (II)

Fraction of the sensors on the satellite have been upgraded (FU):

FU = tus/ts

Using I and II

FU= (5* nus)/(30*nus + tus)

FU = (5* nus)/(30*nus + 5 * nus)

FU = (5* nus)/(35*nus)

FU = 1/7

1/7 (option d) of the sensors on the satellite have been upgraded

6 0
3 years ago
What is -8 • 7 + 33 / -11
Strike441 [17]

-8 x 7 = -56

33/-11 = -3

-56

+

-03

_______

-59

-59 is your answer!

Hope I helped!

Good Luck!

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4 years ago
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