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anygoal [31]
3 years ago
11

The sum of the two shorter sides of a triangle must be equal to the longest side to be classified as a triangle

Mathematics
1 answer:
kogti [31]3 years ago
5 0

Answer:

False

Step-by-step explanation:

For example if you follow the pythagoras theorem a triangle has sides of 3,4 and 5

but when you add 3 and 4 they do not give you 5

so that is false

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What are 2 equivalent expressions that are equal to 10m-40
yuradex [85]
It's simple, there is a ton
Multiply all the numbers by 2: 20m - 80
or Divide all the numbers by 2: 5m- 20
or Multiply all the numbers by 3: 30m - 120
4 0
3 years ago
Read 2 more answers
Which equation is y = 3(x – 2)2 – (x – 5)2 rewritten in vertex form?
Alenkinab [10]
Y= 3( x -2 )² - ( x-5 )² = 3 ( x² - 4 x + 4 ) - ( x² - 10 x + 25 ) =
= 3 x² - 12 x + 12 - x² + 10 x - 25=
= 2 x² - 2 x - 13 =
= 2 ( x² - x + 1/4 - 1/4 ) - 13 =
= 2 ( x - 1/2 )² - 1/2 - 26/2 =  2 ( x - 1/2 )² - 27/2
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4 0
3 years ago
A textbook store sold a combined total of 438 biology and psychology textbooks in a week. The number of psychology textbooks sol
Liono4ka [1.6K]
<h2>Answer:</h2>

Number of biology textbooks sold: 257 textbooks

Number of psychology textbooks sold:​ 181 textbooks

<h2>Explanations:</h2>

Let the total number of biology textbook sold be "a"

Let the total number of psychology textbook sold be "b"

If a textbook store sold a combined total of 438 biology and psychology textbooks in a week, then:

a + b = 438 ................... 1

If the number of psychology textbooks sold was 76 less than the number of biology textbooks sold, then;

b = a - 76 ...................... 2

Substitute equation 2 into 1

a + (a-76) = 438

a + a - 76 = 438

2a = 438 + 76

2a = 514

a = 514/2

a = 257 biology textbooks

From equation 2;

b = a - 76

b = 257 - 76

b = 181 psychology textbooks

Number of biology textbooks sold: 257 textbooks

Number of psychology textbooks sold:​ 181 textbooks

7 0
1 year ago
$5.10 x 91 gdgdhfhfh
vampirchik [111]

Answer:

464.1

Step-by-step explanation:

5.1 * 91 = 464.1

6 0
1 year ago
Anyone help plzzzzzzz?
Blizzard [7]

The answer is D. The ones on the left are the domain. The ones on the right which the arrows point to are the range

7 0
3 years ago
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