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3 years ago

Need urgent help doing this question!

Mathematics

1 answer:

xxMikexx [17]3 years ago

8 0

⟘ = 90°

The intersect point is at the N not P, so the answer is m∠BNP = 90°

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The diagram shows the rectangle ABCD, where A is (3,2) and B is (1,6).

In-s [12.5K]

(i)
$A(3,2),B(1,6)
\\
\\m_{AB}= \frac{6-2}{1-3}=-2
\\
\\m_{BC}m_{AB}=-1
\\ 
\\m_{BC}= \frac{-1}{m_{AB}} = \frac{-1}{-2}= \frac{1}{2} 
\\
\\B(1,6)\Rightarrow x_1=1,y_1=6
\\
\\BC:y-y_1=m_{BC}(x-x_1)
\\
\\y-6= \frac{1}{2}(x-1)
\\
\\2y-12=x-1
\\x-2y+11=0$

(ii)
$AC:y=x-1
\\BC:x-2y+11=0
\\
\\C=AC\cap BC
\\
\\x-2(x-1)+11=0
\\x-2x+2+11=0
\\x=13
\\y=x-1=13-1=12
\\C(13,12)$

(iii)
$A(3,2)B(1,6),C(13,12)
\\P=2(d(A,B)+d(B,C))
\\
\\d(A,B)= \sqrt{(1-3)^2+(6-2)^2}= \sqrt{20} =2 \sqrt{5} 
\\
\\d(B,C)= \sqrt{(13-1)^2+(12-6)^2}= \sqrt{180}= 6\sqrt{5} 
\\ 
\\P=2(2 \sqrt{5}+6 \sqrt{5})=2\times8 \sqrt{5} =16 \sqrt{5}$

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If you know the concept of proportionality M for two proportional quantities X and Y what equation can you write to describe the

liubo4ka [24]

Answer:

Y = MX

Step-by-step explanation:

If two quantities X and Y maintain a proportional relationship with each other, then we can write this as Y ∝ X.

Now, converting this relation into the equation we write Y = MX ........ (1), where M is a constant.

Now, from the above equation, we can say that the rate of change of Y with respect to the unit change of X is always constant.

Graphically. this equation represents the graph of a straight line with a constant slope and passing through the origin. (Answer)

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Answer:

Step-by-step explanation:

Whats the question

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A farmer needs to deliver 1,227 pieces of fruit to the farmers market by the afternoon Each crate holds 163 piece of both orange

bogdanovich [222]

Answer

7.53

1,227 then divide that by 163 so

1,227÷163= 7.53 so then you would go

163 and multiply 7.53 and you would get 1,227

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mars1129 [50]

Answer:

125

Step-by-step explanation:

8x-41+9x+17=180

17x-24=180

17x=204

x=12

9(12)+17

125

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