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3 years ago

13

Anna's math test grade was 7 points less than her science test grade. The average grade was 91.5%. What did she get on each test

?

1 answer:

denis23 [38]3 years ago

6 0

Answer:

84.5%

Step-by-step explanation:

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Calcular: E = (sec245o + tg45o) ctg37o - 2cos60o

Vlada [557]

Answer:

$-2.813$

Step-by-step explanation:

Se simplifica inicialmente la fórmula en términos de las funciones trigonométricas fundamentales (Initially, the formula is simplified in terms of fundamental trigonometric functions):

$(\sec 245^{\circ} + \tan 45^{\circ} )\cdot \cot 37^{\circ} - 2\cos 60^{\circ}$

$\left(\frac{1}{\cos 245^{\circ}}+\frac{\sin 45^{\circ}}{\cos 45^{\circ}} \right)\cdot \left(\frac{\cos 37^{\circ}}{\sin 37^{\circ}} \right) - 2\cdot \cos 60^{\circ}$

$(-2.366 + 1 )\cdot (1.327) - 1$

$-2.813$

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3 years ago

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IgorC [24]

Answer:

The answer is -2

Step-by-step explanation:

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Step-by-step explanation:

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Please help ASAP!!!! What is the length of BC?

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The following relation is a function true or false

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Step-by-step explanation:

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