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Aleonysh [2.5K]
2 years ago
5

Is a triangle with sides of length 3 m, 4 m, and 5 m a right triangle? Explain.

Mathematics
2 answers:
N76 [4]2 years ago
7 0
3^2 + 4^2 = 5^2
9+16=25
25=25

yes this is a right triangle. i know this because when i use the pythagorean theorem it equals out.

hope that helped
GrogVix [38]2 years ago
3 0

Answer:

Yes

Step-by-step explanation:

Use pythagorean theorem:

Does 3^2+4^2=5^2

The longest side is always the hypotenuse

9+16=25

25 does equal 25!!

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(x^4+9)(x+3)(x-3) ; I hope this helps!!
4 0
3 years ago
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tester [92]
1⅓πr³ = 36π
r³ = 36π/1⅓π
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4 0
3 years ago
When three times the sum of a number and seven is increased by ten, the result is four. What is the number ?
densk [106]

Answer:

x=9   :))

Step-by-step explanation:

First set up your equation.

"3 times" is multiplication

"THE SUM of A NUMBER and seven" that is parenthesis because of the multiplication before it

"is increased by ten" that is an addition at the end

Now we have 3(x+7)+10=4

Solve your equation!

Distribute the 3 now we have 3x+21+10=4

Add like terms

now it should look like this... 3x+31=4

Subtract 31 from both sides and it looks like...

3x=27

Divide by the x-value

x=9

4 0
3 years ago
(15 POINTS!) The graph shows the distance a ghost crab can run over time the D equals the distance in meters and the t equal the
Maru [420]

Answer:

B. d = 5/3t

Step-by-step explanation:

The complete question is shown in the figure attached with.

We need to find the equation of direct variation using the graph. The general equation for a direction variation is:

y = kx

In this case, the variable along x axis is time in seconds i.e. "t" and the variable along y axis is distance in meters i.e. "d". So, the equation for this case would be:

d = kt

We need to find the value of "k" to complete this equation. For this we can use any point from the graph and substitute it in the above equation. From the graph we can see that the distance covered for time = 3 seconds is 5 meters. Substituting t =3 and d = 5 in above equation, we get:

5 = 3k

k = 5/3

Using the value of k in the above equation, we get:

d=\frac{5}{3}t

Therefore, option B gives the correct answer

7 0
3 years ago
Whats this answer i need it fast uwu
IrinaVladis [17]
Find slope (y2-y1)/(x2-x1)
Pick points: (1,10) , (2,8)
(8-10)/(2-1) = -2/1 = -2
Y = -2x + b
10 = -2 + b, b = 12
It would be the first response
12 = initial while -2 is rate of change
3 0
2 years ago
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