a house plan is drawn to a scale of 1 cm=2 metres.What is the length of a window 1.5cm long on the plan?

Answers

Answer 1

Answer: 1cm=2m therefore 1.5cm=3 meters because .5 is half of 1 and 1 is half of 2 enjoy!=)

Answer 2

Answer: Because 1 cm _ _ _ 2 metres ; 0.5 cm _ _ _ 1 metres ;
1.5 cm _ _ _ 3 metres.

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84-63i in conjugate form?.

Answers

Conjugate form of complex number:
z = a + b i is a - b i
and for : z = a - b i is : a + b i
Conjugate form of 84 - 63 i is : 84 + 63 i

Please helpHere is a list of numbers:
7, 6, 15, 6, 10, 4, 3 ,11 ,1
State the median.

Answers

6 is the median
1,3,4,6,6,7,10,11,15

Six is the median because it is in the center when you line up the numbers smallest to greatest

What’s the right answer?

Answers

Answer:

90.9

Step-by-step explanation:

Just add them together buddy

-4(4x+4)=2(2-7x) how do u do this and you have to use WHO and check your answer by plugging it in the original equation.SHOW ALL WORK

Answers

$-4(4x+4)=2(2-7x) \n-16x-16=4-14x\n-2x=20\nx=-10\n\n-4(4\cdot(-10)+4)=2(2-7\cdot(-10))\n-4(-40+4)=2(2+70)\n-4\cdot(-36)=4+140\n144=144$

Edie can paint a wall in 3 hours. Dan can paint the same wall in 6 hours. if they work together, how many hours will it take Edie and Dan to paint the wall?A.
1 hour

B.
1.5 hours

C.
2 hours

D.
4.5 hours

Answers

Eddie can paint 1/3 in an hour
Dan can paint 1/6 wall in an hour

2/6 + 1/6 = 1/2
Together, they can paint 1/2 wall in an hour

1/2 x 2 = 2
Therefore they would paint the whole wall in 2 hours, so the answer's C.

Find the area of a circle with a diameter of 22 inches?

Answers

$R=(Diameter)/(2)$

then

$R=(22~in)/(2)$

$\boxed{R=11~in}$

now we just need to apply this formula

$S=\pi*R^2$

$S=\pi*11^2$

$\boxed{\boxed{S=121*\pi~in^2}}$

$d=2r\n d=22\n 2r=22\n r=11\ inches\n \n A=\pi r^2\n A=\pi \cdot 11^2=3,14 \cdot 121=379,94\ inch^2$