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Luden [163]
3 years ago
8

Using the slope formula find the slope of a line that contains these two points: (1,-19), (-2,-7)

Mathematics
1 answer:
Reptile [31]3 years ago
3 0

Answer:

The slope of the line is -4

Step-by-step explanation:

Slope: (y2-y1) / (x2-x1)

(-7-(-19)) / (-2-1)

(12) / (-3)

= -4

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Molly is painting a model house and needs to know how much paint she will need. She knows the surface area of the prism is 216 s
gtnhenbr [62]

Answer:

1. a square which is 6 × 6in

2. the inside of the prism or cube as it is not seen from the outside

3. the area of the square - 6 × 6 = 36in

4. 6 x 6 = 36 / one face of prism

× 5 = 180

4 × 6/2 = 12 / one face of pyramid

x 5 = 60

60 + 180 = 240

6 0
2 years ago
9+10 ii am struggling really bad plz help.
Valentin [98]

Answer:


Step-by-step explanation:

9+10=19.

Replace the 0 in the ten with the 9.


3 0
3 years ago
A painter needs to paint the bottom of a circular pool. The pool has a radius of 30 feet. A store sells 5-gallon cans of paint.
oksano4ka [1.4K]

Answer:

2 cans

Step-by-step explanation:

Given that :

Radius of pool = 30 feets

Using the relation for the Area of a circle :

Area = pi*r^2

Thus,

Area of pool = 3.14 * 30^2

Area of pool = 3.14 * 900 = 2826feet²

Paints are sold in cans of 5 gallon

5 gallon of paint = 1500 feet²

Least number of 5 gallon can required :

2826 feet² / 1500 feet² = 1.884 cans

Hence,

Least number of 5 gallon can required = 2 cans

7 0
3 years ago
What are the domain and range of the function defined by the set of ordered pairs below? {(3, -4), (-1, 4), (-2, 6), (1, 0)}
xz_007 [3.2K]

Answer:

C

Domain: {-2, -1, 1, 3}

Range: {-4, 0, 4, 6}

Step-by-step explanation:

The domain is the set containing all x-coordinates.

Domain: {-2, -1, 1, 3}

The range is the set containing all y-coordinates.

Range: {-4, 0, 4, 6}

Answer:

C

Domain: {-2, -1, 1, 3}

Range: {-4, 0, 4, 6}

8 0
3 years ago
Read 2 more answers
Which operation must be used to solve this equation?
Flura [38]

Answer:

addition

Step-by-step explanation:

as x=23+5

x=28.

I think so this is the ans.

3 0
3 years ago
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