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Temka [501]
3 years ago
7

What is the area of a rectangle whose length is 12 and whose diagonal is 13?

Mathematics
2 answers:
never [62]3 years ago
7 0

Answer: draw the rectangle. you can see that the diagonal will then be the hypotenuse of a right triangle

Step-by-step explanation:

Naya [18.7K]3 years ago
5 0
Answer: 60

Explanation: A=wl
d= square root of w^2 +l^2

Solving for A:

A=l square root of d^2-l^2= 12* square root of 13^2- 12^2=60

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Bobby think that 5^2 = 10. What is wrong with this answer
Korvikt [17]

Answer:

see below

Step-by-step explanation:

5^2  means 5*5  not 5*2

5^2 = 5*5 = 25  not 10

5 0
3 years ago
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3 years ago
a circle has an area of 225 square inches. if the radius of the circle is multiples by 6, then what is the new area of the circl
Lesechka [4]

Answer:

D:  8,100π in²

Step-by-step explanation:

The formula for area of a circle is

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3 0
3 years ago
Help me!!!
Masja [62]

Answer:

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Step-by-step explanation:

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3 0
2 years ago
The difference of 2 numbers is 90 and their quotient is 10 replay quick
andrew11 [14]

Answer:

The two numbers are 100 and 10

Step-by-step explanation:

Let's call the two numbers x and y.

x-y=90 \\\\x\div y=10

Add 7 to both sides of the first equation to isolate x:

x=90+y

Substitute:

(90+y)\div y=10 \\\\90+y=10y \\\\90=9y \\\\y=10 \\\\x=100

Hope this helps!

5 0
3 years ago
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