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3 years ago

Jayden is saving money to buy the new Jordan 11's. He

Mathematics

1 answer:

Fiesta28 [93]3 years ago

3 0

Answer:

it will take Jayden 8 weeks to save money for the Jordan 11's

Step-by-step explanation:

$60 = 3 weeks

$220 = 11 weeks

subtract the three weeks from the amount of time it would take without the saved money

$220 = 8 weeks

subtract saved amount from total = $160 and divide by 20

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

6 0

3 years ago

The answer and how to find the answer

Katarina [22]

Answer:

x = 1.9

Step-by-step explanation:

Thanks to a theorem we can use this proportion

10.47 : 4.44 = 4.44 = x

x = (4.44^2)/10.47 = 1,882865 = 1.9

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3 years ago

Classify the following triangle

abruzzese [7]

Answer:

c and f

Step-by-step explanation:

all sides are different lengths and it has a right angle

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3 years ago

Which of the following relation is a function? Select all the apply

Natasha2012 [34]

Answer:

I do not see anything

Step-by-step explanation:

?????????

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3 years ago

Anson collected 720 seashells. Then he gave 209 seashells to

vaieri [72.5K]

Answer:

18.75%

Step-by-step explanation:

720 - (209+376) =

720 - 585 = 135

135/720 = 0.1875 --> 18.75%

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3 years ago