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soldi70 [24.7K]
2 years ago
10

4c=-40 i don't know this and i need help ill do what i can in return

Mathematics
2 answers:
melamori03 [73]2 years ago
8 0

Answer:

4c=-40

Divide boyh sides by 4

c=-40/4

c=-10

erma4kov [3.2K]2 years ago
7 0

Answer:

c = - 10

Step-by-step explanation:

move all terms containing c to the left all other terms to the right.

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Answer:

4). The Washington Monument is 169.2-m tall.

Step-by-step explanation:

4). We know this because...

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We then know to cross-multiply to get:  

1.8(65.8) = 0.7x

Which simplifies down to:

118.44 = 0.7x

x = 169.2

Answer:

5). The pond is 180ft wide.

Step-by-step explanation:

5). We know this because...

90       120

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135        x

We then know to cross-multiply to get:

90x = 120(135)

Which simplifies down to:

90x = 16200

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Answer:

6). The height of the clock tower is 13ft 9in.

Step-by-step explanation:

6). We know this because...

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The point P(21,35) is on the terminal side of an angle in standard position. What is the distance from P to the origin?
Ira Lisetskai [31]

Answer:

The distance from P to origin is approximately 40.82 units.                                  

Step-by-step explanation:

We are given the following in the data:

The point P(21,35)

We have to find the distance of point P from the origin.

Coordinates of origin: (0,0)

Distance formula:

(x_1,y_1),(x_2,y_2)\\\\d = \sqrt{(x_2-x_1)^2 + (y_2-y_1)^2}

Putting the values, we get,

(21,35), (0,0)\\\\d = \sqrt{(0-21)^2 + (0-35)^2} = \sqrt{1666} = 7\sqrt{34} \approx 40.82\text{ units}

The distance from P to origin is approximately 40.82 units.

7 0
3 years ago
I need to know the answer to this lol
asambeis [7]
Length of GH is also 11 meters
5 0
3 years ago
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Help !!! please show work so i know how to do it :)))
satela [25.4K]

Answer:

70

Step-by-step explanation:

the red lines mean the two sides are equal

so its an isosceles triangle meaning the two angles other than the 40° one are equal

the inner angles of a triangle must add up to 180

so 180-40 = 2x

140 = 2x

x = 140/2 = 70

6 0
2 years ago
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