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Simora [160]
3 years ago
8

A triangle has side lengths 1.5 cm, 2 cm, and 3 cm. Is this a right triangle? Explain.

Mathematics
1 answer:
Alisiya [41]3 years ago
8 0

Answer:

No

Step-by-step explanation:

To figure out whether a triangle is a right triangle using only the side lengths, you can use the Pythagorean theorem:

a^2 + b^2 = c^2

1.5^2 + 2^2 = 3^2

2.25 + 4 = 9

Since this equation isn't true, these numbers cannot be the side lengths of a right triangle.

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5 - -10 also I need a example thank u everyone for your help
Step2247 [10]

15

Step-by-step explanation:

A negative number being subtracted makes it positive

5 - -10

5+10 =15

6 0
3 years ago
Mckenna collects pokemon cards and had 318 in her collection. She decided to give some to her younger brother so that he can beg
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Answer: it’s D

Step-by-step explanation: trust me

4 0
3 years ago
Coefficient of x^2 in expansion of (x+2)^5
iVinArrow [24]
The x² term will be C(5,2)x²·2³ = 80x².

The coefficient is 80.

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C(n, k) = n!/(k!·(n-k)!)
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8 0
3 years ago
A plumber had a pipe that was 2 \text { yards}2 yards long. He cut 18 \text{ inches}18 inches off the end of the pipe. How many
Natali [406]

Answer:

4.5 feet of pipe after he cuts it

Step-by-step explanation:

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4 0
3 years ago
54) |1-2/3x|<1
Naily [24]

|a| < b\iff a < b\ \wedge\ a > -b\\\\|a| > b\iff a > b\ \vee\ a < -b

\left|1-\dfrac{2}{3}x\right| < 1\iff1-\dfrac{2}{3}x < 1\ \wedge\ 1-\dfrac{2}{3}x > -1\ \ \ |\text{subtract 1 from both sides}\\\\-\dfrac{2}{3}x < 0\ \vedge\ -\dfrac{2}{3}x > -2\ \ \ \ |\text{change the signs}\\\\\dfrac{2}{3}x > 0\ \wedge\ \dfrac{2}{3}x < 2\ \ \ \ |\text{multiply both sides by 3}\\\\2x > 0\ \wedge\ 2x < 6\ \ \ \ |\text{divide both sides by 2}\\\\x > 0\ \wedge\ x < 3\to0 < x < 3\to x\in(0,\ 3)

4 0
3 years ago
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