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2 years ago

True or False, Intrusive rocks have large crystals?

Mathematics

1 answer:

Sladkaya [172]2 years ago

4 0

<h2>Answer:</h2>

<h2>Step-by-step explanation:</h2>

<h3>Intrusive rocks, have large crystals that are usually visible without a microscope. </h3>

<h2>Therefore it's true. </h2>

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Prove that if m + n and n + p are even integers, where m, n, and p are integers, then m + p is even. what kind of proof did you

scoray [572]

Prove that if m + n and n + p are even integers, where m, n, and p are integers, then m + p is even.
m=2k-n, p=2l-n

Let m+n and n+p be even integers, thus m+n=2k and n+p=2l by definition of even
m+p= 2k-n + 2l-n substitution
= 2k+2l-2n
=2 (k+l-n)
=2x, where x=k+l-n ∈Z (integers)
Hence, m+p is even by direct proof.

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3 years ago

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Leto [7]

1/8 = 0.125
3/20 = 0.150

Therefore 1/8 < 3/20

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3 years ago

Name two triangles that are congruent by the ASA Postulate.

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3 years ago

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romanna [79]

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2 years ago

Is is square root of 1.6875 a rational number

mamaluj [8]

<em><u>Question:</u></em>

Is square root of 1.6875 a rational number ?

<em><u>Answer:</u></em>

Square root of 1.6875 a rational number is not a rational number

<em><u>Solution:</u></em>

Given that we have to find square root of 1.6875 and determine if it is rational number or not

Let us first find square root of 1.6875

$\sqrt{1.6875} = 1.29903810568$

Let us understand about rational number

A rational number is a number that can be expressed as a fraction (ratio) in the form $\frac{p}{q}$ where p and q are integers and q is not zero.

When a rational number fraction is divided to form a decimal value, it becomes a terminating or repeating decimal.

So the number 1.29903810568 is not a rational number

<em><u>In other words we can say,</u></em>

Only the square roots of square numbers are rational. Here 1.6875 is not a perfect square. So it is not rational number

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3 years ago