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3 years ago

What is an adaptation? I put math but its science

Mathematics

2 answers:

Verdich [7]3 years ago

6 0

Answer:

A change in a species that helps it survive

Step-by-step explanation:

i took life science in 7th grade, and another word for this is a mutation (kinda... pls dont make me go there...)

irina [24]3 years ago

6 0

Answer:

a specie that changes and helps it survive

Step-by-step explanation:

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Can someone answer these questions ? thank you

Naya [18.7K]

Answer:

Step-by-step explanation:

12a)To rationalize the denominator, multiply the denominator and numerator by √5.

$\frac{15}{\sqrt{5}}=\frac{15*\sqrt{5}}{\sqrt{5}*\sqrt{5}}\\\\=\frac{15\sqrt{5}}{5}\\\\=3\sqrt{5}$

b) (a+b)² = a² + 2ab + b²

(1 +√3)² = 1² + 2*1*√3 + (√3)²

= 1 + 2√3 + 3

= 4 + 2√3

a = 4 ; b =2

13) (a + b)(a - b) = a² - b²

$\frac{(6-\sqrt{5})(6+\sqrt{5})}{\sqrt{31}}=\frac{6^{2}-(\sqrt{5})^{2}}{\sqrt{31}}\\\\ =\frac{36-5}{\sqrt{31}}\\\\=\frac{31}{\sqrt{31}}\\\\=\frac{31*\sqrt{31}}{\sqrt{31}*\sqrt{31}}\\\\=\frac{31\sqrt{31}}{31}\\\\=\sqrt{31}$

5 0

4 years ago

Determine the value of the variable that makes the equation true. 12-b=12.5

dusya [7]

Answer:

B = -.5

Step-by-step explanation:

If B is negative is cancels out the prexisting negative making it positive.

6 0

3 years ago

WILL DO BRAINLIEST!!!! Suppose the store wants to earn a daily profit of $150 from the sale of soccer balls. To earn this profit

lara [203]

Think about it this way, what is 5x3??? 15 right. Ok then what is 5x30???? 150. So the store should sell each soccer ball for $5 each:)

6 0

4 years ago

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Which system of equations can be graphed to find the solution(s) to -3X=7

insens350 [35]

Answer:

X=-7/3

Step-by-step explanation:

hope this helps

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3 years ago

Anyone have a pad let I can join? 3x3÷1

Nina [5.8K]

Answer:

Step-by-step explanation:

3 x 3 =9 9 divived by 1

4 0

2 years ago

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