3 years ago

Seraphina says that △KLM is a right triangle. Is she correct? Expain.

Mathematics

1 answer:

Roman55 [17]3 years ago

3 0

We need a picture or something but this is what a right triangle looks like. It will have a square or a 90 degree angle

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Three red rods are 2cm longer than two blue rods. Three blue rods are 2cm longer than four red rods. How long is each rod?

nydimaria [60]

Answer:

The length of each red rod is 10 cm and the length of each blue rod is 14 cm

Step-by-step explanation:

Let

x ----> the length of each red rod in centimeters

y ----> the length of each blue rod in centimeters

we know that

$3x=2y+2$ ----> equation A

$3y=4x+2$ ----> equation B

Solve the system by graphing

Remember that the solution of the system of equations is the intersection point both graphs

using a graphing tool

The solution is the point (10,14)

see the attached figure

therefore

The length of each red rod is 10 cm and the length of each blue rod is 14 cm

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Answer:

Step-by-step explanation:

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2 years ago

Last Tuesday was silly hat day at Molly's school. 90 students wore a silly hat and 810

Elan Coil [88]

There are a total of 900 students at Molly’s school. 810 is 90% of 900. 90% of students did not wear a silly hat.

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2 years ago

What is the element with 98 atomic number?!

BabaBlast [244]

Answer:

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3 years ago

Anyone know the answer to this?

Lunna [17]

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