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solniwko [45]
3 years ago
7

ABCD is a kite, find the length of BD.

Mathematics
2 answers:
saul85 [17]3 years ago
8 0
For BE

a^2 + b^2 = c^2
5^2 + b^2 = 13^2
25 + b^2 = 169
b^2 = 144
BE= 12

and

for ED
5^2 + b^2 = sqrt 41 ^2
25 + b^2 = 41
b^2 = 16
ED = 4

BD = BE + ED
BD = 12 + 4
BD = 16
mylen [45]3 years ago
3 0
BD=
\sqrt{41 - 25}  +  \sqrt{169 - 25}
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Dan had $34 to spend at the fair if the admission to the fair is $10 and the rides cost $1.50 each, what is the greatest number
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Answer:

Equation: 1.50x + 10 \leq 34

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Step-by-step explanation:

We can represent this situation using this equation:

1.50x + 10 \leq 34

The $10 Dan has to pay as admission is the fixed number because it doesn't vary and always remains the same, so no x goes next to 10.

Each ride costs $1.50 so this is the variable number as it changes with how many rides Dan goes on, therefore an x will go next to 1.50 to represent the amount of rides Dan goes on.

Lastly, Dan has $34 to spare, so the amount spent has to be less than or equal 34.

Solve the equation for x to find the greatest amount of rides Dan can go on:

1.50x + 10 \leq 34                      Subtract 10 from 34

1.50x \leq 24                             Divide 24 by 1.50

x \leq 16

So, Dan has enough money to go on 16 rides or less.

Let's check this answer:

1.50(16) + 10 \leq 34                   Multiply 1.50 by 16

24 + 10 \leq 34                           Add 24 and 10

34 \leq 34

Hope this helps! Good luck and if you have any questions let me know in the comments!

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