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3 years ago

Lisa says that 43 is a 2 - digit odd number that is a composite. is she correct? explain

2 answers:

8 0

No, she is not correct.

A "composite" is a number that can be divided evenly (no decimals) by something other than itself (43) and 1.

43 has no other numbers that can divide into it and leave it a whole number.

soldi70 [24.7K]3 years ago

5 0

Arewar Virtuoso is right because 43 can not divide with anything but 1 & itself (43)!!!!

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Step-by-step explanation:

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3 years ago

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What is the perimeter and area of the figure?

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Perimeter is the sum of all outside dimensions:

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3 years ago

(−t 4 −5t 3 −10t 2 )+(9t 3 +3t 2 −1)

klemol [59]

Answer:

$\left(-t^4-5t^3-10t^2\right)+\left(9t^3+3t^2-1\right)=-t^4+4t^3-7t^2-1$

Step-by-step explanation:

Given the expression

$\left(-t^4\:-5t^3\:-10t^2\:\right)+\left(9t^3\:+3t^2\:-1\right)$

Remove parentheses: (a)=a

$=-t^4-5t^3-10t^2+9t^3+3t^2-1$

Group like terms

$=-t^4-5t^3+9t^3-10t^2+3t^2-1$

Add similar elements

$=-t^4-5t^3+9t^3-7t^2-1$ ∵ $-10t^2+3t^2=-7t^2$

Add similar elements

$=-t^4+4t^3-7t^2-1$ ∵ $-5t^3+9t^3=4t^3$

Thus, the equivalent expression in simplified form:

$\left(-t^4-5t^3-10t^2\right)+\left(9t^3+3t^2-1\right)=-t^4+4t^3-7t^2-1$

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3 years ago

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Answer:

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Step-by-step explanation:

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2 years ago

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avanturin [10]

Complementary angles are angles whose sum is 90 degrees.

90 - 67 = 23

23 degrees is the measure of its complementary angle.

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3 years ago