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natali 33 [55]
3 years ago
12

Which of these side lengths could form a triangle

Mathematics
1 answer:
Artyom0805 [142]3 years ago
3 0
The answer is C) 3,4,5
It is a common 3-4-5 right triangle.
According to Pythagorean theorem, a^2+b^2=c^2 so
9+16=25
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Lilli jogs 12 mile in 110 hour. What is Lilli's rate in miles per hour?
KIM [24]

Answer:

.109090909 miles per hour

Step-by-step explanation:

To find miles per hour, take the miles and divide by the hours

12 miles/110 hours

.109090909 miles per hour

6 0
3 years ago
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Determine all values of k that make each of the following a perfect square trinomial. X^2+8x+k
-Dominant- [34]

Answer:

k can either be

12

or

−

12

.

Step-by-step explanation:

Consider the equation

0=x2+4x+4

. We can solve this by factoring as a perfect square trinomial, so

0=(x+2)2→x=−2 and−2

. Hence, there will be two identical solutions.

The discriminant of the quadratic equation (b2−4ac) can be used to determine the number and the type of solutions. Since a quadratic equations roots are in fact its x intercepts, and a perfect square trinomial will have

2 equal, or 1

distinct solution, the vertex lies on the x axis. We can set the discriminant to 0 and solve:

k2−(4×1×36)=0

k2−144=0

(k+12)(k−12)=0

k=±12

6 0
2 years ago
F(x)=2x-3, solve when x=0,-1,2 <br> answers <br> A-3, -1,1 <br> B-3,-5,1 <br> C3,-1,1 <br> D-3,-1,7
guajiro [1.7K]

Answer:

b

Step-by-step explanation:

8 0
3 years ago
Define right triangle.
Firdavs [7]

Answer:

D

A right triangle is a triangle that has one 90 degree angle, so looking at the options i would say D

Step-by-step explanation:


3 0
3 years ago
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A bunch of ballons contains many different colors. red 17 purple 11 orange 3 green 1 yellow 2 What is the probability that a ran
4vir4ik [10]

Answer: 1/2

Step-by-step explanation:

Number of red balloons = 17

Number of purple balloons = 11

Number of orange balloons = 3

Number of green balloons = 1

Number of yellow balloons = 2

Total number of balloons = 34

The probability that a randomly selected balloon will be red will be:

= Number of red balloons/Total number of balloons

= 17/34

= 1/2

5 0
3 years ago
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