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tino4ka555 [31]
3 years ago
14

Given 3 sides of a triangle - how to tell it right, acute, or obtuse 8,11, 16

Mathematics
1 answer:
user100 [1]3 years ago
6 0
Using Pythagorean theorem, we can justify our answer.
if c^2 = a^2 + b^2 then triangle is right one,
if c^2 > a^2 + b^2 then triangle is obtuse and
if c^2 < a^2 + b^2 then triangle is acute triangle.

Here a=8, b=11 and c=16
Put these values in the equation
16^2 = 8 ^2 + 11^2
256 = 64 +121
256> 185
So here c^2 > a^2 + b^2  Which means triangle is obtuse triangle.

Answer: Obtuse Triangle


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Choose the correct simplification of the expression (7x − 3)(4x^2 − 3x − 6).
-BARSIC- [3]
Distribute
(7x)(4x^2-3x-6)+(-3)(4x^2-3x-6)=
28x^3-21x^2-42x-12x^2+9x+18=
28x^3-21x^2-12x^2-42x+9x+18=
28x^3-33x^2-33x+18

D is the correct answer
4 0
3 years ago
What does J equal????????????????????????????<br> 3 + j / 11 =2<br><br> j =
AfilCa [17]


Let's solve the equation step-by-step

Step 1) Simplify both sides of the equation

3+ j/11 = 2

1/11j+3=2

Step 2) Subtract 3 from both sides

1/11j + 3 - 3 = 2 - 3

1/11j = -1

Step 3) Multiply both sides by 11

11 x (1/11j) = (11) x (-1)

j = -11

Answer is..  J = -11

 ↑   ↑   ↑  Hope this helps! :D



7 0
3 years ago
Read 2 more answers
Factor x^3−5x^2−25x+125
UkoKoshka [18]
(x-5)^2 . ( x+5)
=( x^2 - 10x + 25) . ( x+ 5)
=x^3 + 5x^2 - 10x^2 -50x + 25x + 125
= x^3 - 5x^2 -25x +125
5 0
3 years ago
Evaluate c−d if c=11 and d=−3 .
Harlamova29_29 [7]

Answer:

14

Step-by-step explanation: 11 - -3=14

4 0
3 years ago
brandon has a collection of 25 pair of jordans and adidas shoes the average cost for the jordans are $165 while the average cost
Evgen [1.6K]

Answer:

Step-by-step explanation:

Guess and Check:

$80.00*15=$1,200

$165.00*10=$1,650

$1,200+$1,650=$2,850.

15 of the pairs of shoes are Jordans, while 10 of the pairs are Adidas.

5 0
3 years ago
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