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OLga [1]
3 years ago
13

Simplify: (–4) • (9) – (5) • (–2) A)2 B)–36 C)–26 D)82

Mathematics
1 answer:
lapo4ka [179]3 years ago
7 0
Using the correct order of operations, your equation would simplify as:
-36 - 10 = -26
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The proof ABC ≅ DCB that is shown.
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The <em><u>correct answer</u></em> is:

AAS

Explanation:

AAS stands for "angle-angle-side."  This states that if two angles and a non-included side of one triangle are congruent to the corresponding two angles and non-included side of another triangle, then the triangles are congruent.

In these triangles, we have ∠CAB ≅ ∠CDB given to us to begin with.  Throughout the proof, we find that ∠ABC ≅ ∠DCB.  We also have that CB is congruent to itself.  This is two angles and a side not included, so this is AAS.

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2 degrees

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3 years ago
Given that cos (x) = 1/3, find sin (90 - x)
ddd [48]

Answer:

\sin(90^{\circ} - x)=\frac{1}{3}

Step-by-step explanation:

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Thus, for  \sin(90^{\circ} - x) comparing , we have,

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Thus, \sin(90^{\circ} - x)=\frac{1}{3}

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