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weqwewe [10]
3 years ago
6

Which of the triangles are right triangles?

Mathematics
1 answer:
rewona [7]3 years ago
7 0

Answer:

Number 1 is a right triangle

Number 2 is a right triangle

Number 3 is NOT a right triangle

Number 4 is NOT a right triangle

Step-by-step explanation:

Hope this helps :)

You might be interested in
The mean of 10 values is 19. If further 5 values are
Leokris [45]

Answer:

22

Step-by-step explanation:

Pretend the 10 values in the first sentence are a,b,c,d,e,f,g,h,i,j

Pretend the addition 5 values is k,l,m,n,o

So the mean of all the 15 data is (a+b+c+d+e+f+g+h+i+j+k+l+m+n+o)/15=20

So the sum of all 15 data is  a+b+c+d+e+f+g+h+i+j+k+l+m+n+o=300                since 15(20)=300

Now let's look at the first 10:  We have their mean so we can write:

(a+b+c+d+e+f+g+h+i+j)/10=19

so a+b+c+d+e+f+g+h+i+j=190                               since 10(19)=190

So that means using our first sum equation and our equation sum equation we have

190+k+l+m+n+o=300

      k+l+m+n+o=300-190

      k+l+m+n+o= 110

So the average of those 5 numbers mentioned in your problem is 110/5=22

3 0
3 years ago
find the y intercept of the line on the graph. Write your answer as a fraction or a whole number, not a mixed number or decimal.
Olin [163]

Answer:

3

Step-by-step explanation:

The answer is 3 because the blue line goes across the y - axis at 3.

7 0
3 years ago
Find the area and perimeter of the shape below. Show your work.
Vinil7 [7]
Area= 10.8m Perimeter= 15.6m hope this helps
4 0
3 years ago
Hey can you please help me posted picture of question:)
Sphinxa [80]
The given trinomial can be factored using the factorization method.

x² + 15x + 56
= x² +8x +7x + 56
= x(x+8) + 7(x+8)
= (x+8)(x+7)

Thus, (x+8)(x+7) is the factored form of the polynomial.

So the correct answer is option B

4 0
3 years ago
Read 2 more answers
Solve using perfect square factoring patterns. y2 + 14y + 49 = 0
Studentka2010 [4]
(y + 7)(y + 7)

49 is a perfect square of 7

it can also be written

(y + 7)²

hope this helps :)


7 0
2 years ago
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