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ohaa [14]
2 years ago
12

Giving brainliest !!!!!

Mathematics
1 answer:
8_murik_8 [283]2 years ago
5 0

Answer:

Angle 10=74 deg

Alternate Interior angle theorem

Step-by-step explanation:

They are Alternate Interior angles.

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14x+6=2 (5+7x) <br> Please solve with work
liraira [26]

Answer:

-6

Step-by-step explanation:

14x+6=2(5+7x)

14x+6=10+14x

14x-14x=10-16

x= -6

3 0
3 years ago
A 4 metre ladder is placed against a vertical wall.
Black_prince [1.1K]

Answer:

Original position: base is 1.5 meters away from the wall and the vertical distance from the top end to the ground let it be y and length of the ladder be L.

Step-by-step explanation:

By pythagorean theorem, L^2=y^2+(1.5)^2=y^2+2.25 Eq1.

Final position: base is 2 meters away, and the vertical distance from top end to the ground is y - 0.25 because it falls down the wall 0.25 meters and length of the ladder is also L.

By pythagorean theorem, L^2=(y -0.25)^2+(2)^2=y^2–0.5y+ 0.0625+4=y^2–0.5y+4.0625 Eq 2.

Equating both Eq 1 and Eq 2: y^2+2.25=y^2–0.5y+4.0625

y^2-y^2+0.5y+2.25–4.0625=0

0.5y- 1.8125=0

0.5y=1.8125

y=1.8125/0.5= 3.625

Using Eq 1: L^2=(3.625)^2+2.25=15.390625, L=(15.390625)^1/2= 3.92 meters length of ladder

Using Eq 2: L^2=(3.625)^2–0.5(3.625)+4.0625

L^2=13.140625–0.90625+4.0615=15.390625

L= (15.390625)^1/2= 3.92 meters length of ladder

<em>hope it helps...</em>

<em>correct me if I'm wrong...</em>

4 0
3 years ago
What is the number? I did many ways but i didn't found it, please guys help me with it. ​
Advocard [28]

Answer:

A). 15

B). -1.2

Step-by-step explanation:

A). [10(x+3)]-20 = 160

10x+30-20 = 160

10x+10 = 160

10x = 160-10

10x = 150

x = 150/10

x = 15

B). 5{[4(8+(5x))]-9} = 85

5(32+20x+9) = 85

5(32+9+20x) = 85

5(41+20x) = 85

205+100x = 85

100x = 85-205

100x = -120

100x/100 = -120/100

x = -1.2

----------------------------------------------------------------------

HOPE THIS HELPS!!!

3 0
3 years ago
Jack designed a bridge that will be 0.2 miles long, and 3/5 of the bridge has been built. How long is the section of the bridge
prohojiy [21]

Answer:

0.12

because 3/5 of 0.2 is 0.12

u probably shouldn’t trust me im dum

Step-by-step explanation:

8 0
2 years ago
Helpppp me pls! What is the lenght of AC?
Crazy boy [7]

Step-by-step explanation:

Bc is also 20 answer is 400

7 0
3 years ago
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