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3 years ago

9

Which feature is not used to help animals stay safe?

2 answers:

damaskus [11]3 years ago

4 0

Answer:

strong jaws

Step-by-step explanation:

Vadim26 [7]3 years ago

3 0

Answer to the question

C. Lungs

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704 rounded to the nearest ten

Assoli18 [71]

The answer is 700 because the 4 rounds down.

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3 years ago

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What type of graph is best to use to show data that are parts of a whole?

san4es73 [151]

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4 years ago

Find the number to add to x^2-18x

pentagon [3]

Answer:

A. add 81; $(x-9)^2$

Step-by-step explanation:

The perfect square formula

$(a-b)^2=a^2-2ab+b^2$

Rewrite expression $x^2-18x$ as follows:

$x^2-2\cdot 9\cdot x$

So, to form a perfect square, $+9^2$ is missed.

When we add $9^2=81,$ we will get

$x^2-2\cdot 9\cdot x+9^2=(x-9)^2$

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3 years ago

What is the answer?<br> xy = 30<br> and x + y = 18

drek231 [11]

from second equation y = 18-x so:-

x(18 - x) = 30

x^2 - 18x + 30 = 0

x = 16.14, 1.86

when x = 16.14 y = 18-16.14 = 1.86

when x = 1.86, y = 16.14

so one variable = 16.14 and the other = 1.86 Answer

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3 years ago

The highest calorie treat tested by the group was 1,270 total calories. People need roughly 2,200 to 2,500 calories per day. Usi

Anastaziya [24]

Step-by-step explanation:

1270 + 2200+2500 ÷3

$1270 + 2200 + 2500 \div 3$

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3 years ago