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3 years ago

Determine which sets of lengths can form a right triangle.

Mathematics

2 answers:

Alex17521 [72]3 years ago

6 0

Answer: 50,40

Step-by-step explanation:

because a right angle is 90 degress

Rama09 [41]3 years ago

6 0

Answer:

Triangle 1 is a right triangle

Triangle 2 is not a right triangle

Triangle 3 is a right triangle

Step-by-step explanation:

Triangle 1: 30^2 + 40^2 = 50^2

900 + 1600 = 2500

2500 = 2500

Triangle 2: 4^2 + 4^2 = 16^2

16 + 16 = 256

32 = 256

Triangle 3: 48^2 + 55^2 = 73^2

2304 + 3025 = 5329

5329 = 5329

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shusha [124]

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Step-by-step explanation:

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3 years ago

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Mark drank 3 2/5 cups of orange jucie in the morning and 2 1/5 cups in the afternoon. How much orange jucie did mark drink in al

Alinara [238K]

Solutions

1) Convert mixed fractions into improper fractions.

$\frac{17}{5}+ \frac{11}{5}$

$= ((17 * 5) + (11 * 5)) / (5 * 5)$

$= (85 + 55) / 25$

$= 140/25$

$= 28/5$

$5 \frac{3}{5}$

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3 years ago

Ann, Chang, and Kareem sent a total of

Gnoma [55]

It is given in the question that

Ann, Chang, and Kareem sent a total of 89 text messages over their cell phones during the weekend. Ann sent 9 fewer messages than Chang. Kareem sent 3 times as many messages as Ann.

Let number of messages Chang sent be x. And Ann sent 9 fewer than Chang, so Ann sent (x-9) messages. And Kareem sent 3 times as many messages as Ann, so Kareem sent 3(x-9) messages.

And the total messages are 89. That is

$x+x-9+3(x-9)=89$

Combining like terms

$x + x - 9 + 3x-27 =89
\\
5x -36=89
\\
5x = 125
\\
x =25$

So Chang sent 25 messages, Ann sent

$25-9=16 messages$

And Kareem sent

$3*16 = 48 messages$

8 0

3 years ago

*** Anyone who answers randomly for points WILL be reported ***

xeze [42]

One example is the equation 2x+3x = 5x because the left hand side combines to form the right hand side. This equation is said to be an identity, which is always true for any real number you can think of. For example, if x = 3, then,

2x+3x = 5x

2*3+3*3 = 5*3 ... replace every x with 3

6 + 9 = 15

15 = 15

We end up with a true equation. This will happen regardless of what x value we pick. Therefore, it has infinitely many solutions.

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3 years ago

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STALIN [3.7K]

Answer:

Step-by-step explanation:

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3 years ago