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Mama L [17]
3 years ago
11

What is the following sum? 4sqrt5+2sqrt5

Mathematics
1 answer:
Anna71 [15]3 years ago
7 0

Answer:

4\sqrt{5} +2\sqrt{5}\\= 6\sqrt{5}

Step-by-step explanation:

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I don’t really get this question can someone help me out
Inessa [10]

angles EFH and GFH are congruents

for the second equivalence criterion  two triangles are equivalents if they have  respectively  2 angles and 1 side congruents

the two triangles have congruents the angle right angle (HGF and HEF) and the 55 degrees angles (EFH and GFH); then they have in common the HF side.

so the triangles are congruent and so all the sides are respectively congruent,for example EH with HG:

EH=HG

s+36=7s

s+36-7s=0

s-7s=-36

-6s=-36

6s=36

s=6

<em>sorry for my english</em>

5 0
3 years ago
The difference of the squares of two positive consecutive even integers is 84. Find the integers.
ziro4ka [17]

Answer:

The two integers are 20 and 22.

Step-by-step explanation:

Let x be the first integer.

(x+2)^{2}-x^{2} = 84\\x^{2} +4x+4-x^{2} = 84\\4x = 80\\x = 20

3 0
3 years ago
Help me please. who ever answers gets brainliest​
mezya [45]

Answer:

32

Step-by-step explanation:

(4x6)/2+(2x2)/2+2x2+(2x6)/2

8 0
3 years ago
Sin 30 = <br><br> A. Cos 30<br> B. Sin 60<br> C. Tan 60<br> D. Cos 60
Alik [6]
Sin 30 is equal to Cos 60, I hoped that helped u
6 0
3 years ago
Chester has less than $25 to spend at the county fair. The entrance fee is $5, and each ride costs $3. The number of rides, r, t
KonstantinChe [14]

Answer:

The answer would be C. or D.

Step-by-step explanation:

5 0
2 years ago
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