1 year ago

Please help me!! ASAP! This is grade 8! Properties of Right Angle Triangles

Mathematics

1 answer:

Jlenok [28]1 year ago

3 0

Step-by-step explanation:

-one angle is always 90°

-The side opposite angle 90° is hypotenuse

-hypotenuse is the longest side

-the sum of other 2 interior angles is 90°

-area of right angled triangle is 1/2×base×height

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Two events, A and B, are disjoint. What is the probability that both A and B will occur at the same time?

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ANSWER

$P(A\cap B)=0$

EXPLANATION

If the two events are disjoint, then they are mutually exclusive.

This means that their intersection is zero.

Therefore

$n(A\cap B)=0$

This implies that,

$P(A\cap B)= \frac{n(A\cap B)}{n(U)}$

$P(A\cap B)= \frac{0}{n(U)} = 0$

The probability that the two events will occur together is 0, which means an impossibility.

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X - the score he must get

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2 years ago

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<img src="https://tex.z-dn.net/?f=2x%2B7-1%3D2x%2B7" id="TexFormula1" title="2x+7-1=2x+7" alt="2x+7-1=2x+7" align="absmiddle" cl

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Answer:

Step-by-step explanation:

$2x + 7 - 1 = 2x + 7$