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valentina_108 [34]
3 years ago
13

Need help 7th grade science

Mathematics
1 answer:
balandron [24]3 years ago
6 0

Answer:

I think adhesion??

Step-by-step explanation:

"Adhesion is the attraction of molecules of one kind for molecules of a different kind, and it can be quite strong for water, especially with other molecules bearing positive or negative charges."

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Cuanto es 8por8por5por3
icang [17]

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yes

Step-by-step explanation:

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Someone please help me!!! I need it ASAP!
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The last one is the correct answer!! nothing that is dilated can be congruent to another triangle.
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QUESTION
garri49 [273]

Answer:

45

Step-by step

What do we already know about the equation?

We know that they EACH bought a hockey puck($17) and 2 shirts

Half of 214 is 107. So they had to have spent 107 separately

So we make the equation and let s represent shirts

2s + 17 = 107

    - 17            -17

2s= 90.    DIVIDE by 2

s = 45

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4 years ago
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In the diagram below, GH is parallel to DE . If GH is 3 more than EH FH=10, and DE=12 find the length of EH. Figures are not nec
steposvetlana [31]

Answer: 5

Step-by-step explanation:

Since \overline{GH} \parallel \overline{DE}, by the corresponding angles theorem, \angle FGH \cong \angle FDE, \angle FHG \cong \angle FED. This means \triangle FGH \sim \triangle FDE by AA.

As corresponding sides of similar triangles are proportional,

\frac{10}{x+3}=\frac{10+x}{12}\\(10)(12)=(10+x)(x+3)\\120=x^{2}+13x+30\\x^{2}+13x-90=0\\(x+18)(x-5)=0\\x=-18, 5
However, as distance must be positive, we consider the positive solution, x=5.

Therefore, the answer is <u>5</u>

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2 years ago
How to reduce the fraction 12/15​
FinnZ [79.3K]
4/5 because 12/3=4 and 15/3=5
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3 years ago
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