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STatiana [176]
3 years ago
11

PLEASE ANSWER AS SOON AS POSSIBLE!

Mathematics
1 answer:
Tcecarenko [31]3 years ago
6 0
The y- intercept has to be a point in the line where x is 0. Which means that in this case it would be -4.
To find the slope, use the formula: rise over run —> y2 - y1/x2 - x1
Choose any two coordinates and plug them in. Then simplify. Let me know if you have any questions by commenting:)
Hope I helped:)
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Find the area of the region shaded in green. Use 3.14 to approximate pi.
8090 [49]

Answer:

254 cm² (to 3 s.f.)

Step-by-step explanation:

Area of shaded region

= area of large circle -area of smaller circle

\boxed{area \: of \: circle = \pi {r}^{2} }

Radius of large circle= 15cm

Radius of smaller circle= 12cm

Area of shaded region

= π(15²) -π(12²)

= 225π -144π

= 81π

= 81(3.14)

= 254.34

= 254 cm² (3 s.f.)

3 0
3 years ago
In the standard (x, y) coordinate plane, what is the slope of the line joining the points (3,7) and (4,−8)?
rjkz [21]
We know that the slope formula is m = (y1 - y2)/(x1 - x2)
Your points are: (3, 7) and (4, -8)
In this case,
x1 = 3
x2 = 4
y1 = 7
y2 = -8
Now, just plug in the numbers:
m = (7 - -8)/(3-4)
m = 15/-1
m = -15
Your slope is -15.
7 0
3 years ago
Evaluate the radical expressions or indicate that the root is not a real number 3√(-4)^3
mart [117]

Answer:

d. not a real number

Step-by-step explanation:

it is not a real number because theres a negative under root

4 0
3 years ago
Solve for x<br>2x^2 - 12x + 18 = 0​
maria [59]
X=3 was this helpful?
8 0
3 years ago
How do u do the square root of 18 on a number line
yulyashka [42]
The square root of 18 is 4.2426.. so you would round it to 4.2 and when you put it on the number line you would put the point between the 4 and 5. But, closer to the 4.
4 0
3 years ago
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