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ElenaW [278]
3 years ago
15

How do you do this? Explain

Mathematics
1 answer:
Alisiya [41]3 years ago
3 0

Answer:

D

Step-by-step explanation:

This is because when making a triangle, the two shortest sides have to add up to be bigger than the biggest side. For example, A would work because if you did 4+6, it would equal 10 which is bigger than the biggest side. B and C add up to something bigger than 6. However, D is different. If you do 2+4, that equals 6. It has to be bigger than six, not equal

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The length of each side of a square was decreased by 2 inches, so the perimeter is now 52 inches. What was the original length o
telo118 [61]
60 inches because the square has 4 sides so 4x2 is 8 and 52+8 is 60.
3 0
3 years ago
Helppppppppppppppppppppp
Ira Lisetskai [31]

Answer:

  see below

Step-by-step explanation:

Use the distributive property:

  (y^2 +3y +7)(8y^2 +y +1)

  = y^2(8y^2 +y +1) +3y(8y^2 +y +1) +7(8y^2 +y +1)

  = 8y^4 +y^3 +y^2 + 24y^3 +3y^2 +3y + 56y^2 +7y +7

  = 8y^4 +y^3(1 +24) +y^2(1 +3 +56) +y(3 +7) +7

  = 8y^4 +25y^3 +60y^2 +10y +7 . . . . . matches the last choice

7 0
3 years ago
BRAINLY PLS HELP ME ASP ITS MATH PLS!
Leno4ka [110]

Answer:

you should go on cymath it helps alot

Step-by-step explanation:

I promise you it really helps it gives you the answers step by step.

4 0
3 years ago
Read 2 more answers
Julie box contains two gold hoop earrings and two silver hoop earrings you randomly choose to errands what is the probability th
vesna_86 [32]

The total number of elements is 2+2=4. Since we have 2 silver earrings, we get

P(two\text{silver earrings)}=\frac{1}{4}+\frac{1}{4}=\frac{2}{4}=\frac{1}{2}

the, the probability to get two silver earrings is 1/2, which is equivalent to 0.5.

5 0
1 year ago
Is w^2-9w+81 a trinomial square
Yuri [45]
No because it would be
if you knew that
ax^2+bx+c was a trinomial square, then the factored form would be
( \sqrt{a}x+ \sqrt{c})^{2} or ( \sqrt{a}x- \sqrt{c})^{2}
so
if w^2-9w+81 is perfect square, factored form is either
( \sqrt{1}x+ \sqrt{81})^{2} or ( \sqrt{1}x- \sqrt{81})^{2}  aka ( x+9)^{2} or  ( x-9)^{2}
expand them
(x+9)^2=x^2+18x+81, wron middle term

(x-9)^2=x^2-18x+81 wrong

so it is not






8 0
4 years ago
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