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Nata [24]
2 years ago
10

Pls helppppplppkllllll

Mathematics
1 answer:
charle [14.2K]2 years ago
8 0

Answer:

A

Step-by-step explanation:

The two angles add up to 90 degrees

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Find the slope of the line that goes through (1, 3) and (-2,-6).
monitta

Answer:

m= -3

Step-by-step explanation:

slope intercept formula

(y2-y1)/ (x2-x1)

-6-3= -9

-2-1=-3

-9/3 =-3

3 0
3 years ago
Mary wants to apply a strip of wallpaper along the walls just below the ceiling. If the room is a 14 ft by 12 ft rectangle, then
Yuliya22 [10]

Answer:

<h2>52 ft.</h2>

Step-by-step explanation:

In this case, we need to calculate a perimeter, which is the sum of all sides of the rectangle.

So, rectangles has opposite sides equal, therefore, the perimeter should be:

P=2 (L+l); having L as the larger side.

P=2(14+12)\\P=2(26)\\P=52

Hence, the strip of wallpaper needs to be as least 52 ft.

6 0
3 years ago
Which number is a solution of the equality
dexar [7]

Answer:

6

Step-by-step explanation:

Given

3x - 15 ≥ 3 ( add 15 to both sides )

3x ≥ 18 ( divide both sides by 3 )

x ≥ 6

Since x is greater than or equal to 6 then 6 is a solution

3 0
2 years ago
Read 2 more answers
The area of a rectangle is 7.35m squared . The width is 2.1 m.<br> What is the length?
Kryger [21]

Answer:

this is easy. so take the equation used for finding the area (A = LW). you then place the sizes in the proper places (making 7.35 = 2.1L). now all you have to do is divide 7.35 (area) by 2.1 (width) to get your length (3.5).

Step-by-step explanation:

7.35 = 2.1L

7.35/2.1 = 3.5

L = 3.5

5 0
3 years ago
At the craft store, Gabby bought a bag of blue and red marbles. She received 63 blue marbles and 21 red marbles. What percentage
NikAS [45]

Answer:

75%

Step-by-step explanation:

63+21 = 84

That is the overall amount of marbles, this allows you to get a percentage

63/84 = .75 = 75%

7 0
3 years ago
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