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Dimas [21]
3 years ago
5

What is -9 as a rational number

Mathematics
1 answer:
ivolga24 [154]3 years ago
8 0

Answer:

rational

Step-by-step explanation:

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I think it's either C or D but I'm not sure plzzz help me !?!?!?!
Dennis_Churaev [7]
Using th epythagorean theorem.

52^2-48^2= x^2

2704-2304= x^2

400=x^2

x=20

Final answer: D
3 0
3 years ago
A triangle has sides with lengths of 65 centimeters, 74 centimeters, and 97 centimeters. is it a right triangle?
slava [35]
Nah, it's not a right triangle because, the longest side can't insitude its self
7 0
3 years ago
If two of the angles of a triangle are 30 and 70 degrees, the third angle measures...?
Masteriza [31]

Answer:

80°

Step-by-step explanation:

Since a triangle has three angles that add up to 180°, you add the two given angles and subtract it from 180°.

1

70° + 30° = 100°

2

180° - 100° = 80°

7 0
2 years ago
What are the solutions to the equation 3(x – 4)(x + 5) = 0?
vesna_86 [32]
First you distribute the 3
(3x-12) (x+5)=0
then you set each equation equal to zero
3x-12=0 & x+5=0
then you solve for x
x =4, -5
7 0
3 years ago
Read 2 more answers
For all functions of the form f(x) = ax2 + bx + c, which is true when b = 0?
Klio2033 [76]
When b=0
f(x)=ax^2+c

test each
A. with x^2-1, A is false
B. with -x^2-1, B is false
C. cannot find contradiction
D. the axis is actually x=0, 0 is nithere positive nor negative, false


answer is C

7 0
3 years ago
Read 2 more answers
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