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3 years ago

Which expression is equal to 4 x 3 x 5?

Mathematics

2 answers:

Arturiano [62]3 years ago

6 0

60
4x3=12
12x5=60
Did this help ? If not lmk

kupik [55]3 years ago

3 0

Answer:

Step-by-step explanation:

Step 1: Write expression

4 × 3 × 5

Step 2: Multiply

12 × 5

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Lera25 [3.4K]

Answer:

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Step-by-step explanation:

Given that :

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Given csc(A) = 60/16 and that angle A is in Quadrant I, find the exact value of sec A in simplest radical form using a rational

fiasKO [112]

Answer:

$\frac{15 \sqrt{209} }{209}$

Step-by-step explanation:

Objective: Understand and work with trig identies.

Recall multiple trig identies and manipulate them to get from cosecant to secant.

Given

$\csc(a) = \frac{60}{16}$

Apply reciprocal identity csc a = 1/sin a.

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Apply pythagorean identity to find cos a.

$( \frac{16}{60}) {}^{2} + \cos(x) {}^{2} = 1$

$\frac{256}{3600} + \cos(x) {}^{2} = 1$

$\cos(x) {}^{2} = \frac{3600}{3600} - \frac{256}{3600}$

We can simplify both expression

$\cos(x) {}^{2} = \frac{225}{225} - \frac{16}{225}$

$\cos(x) = \frac{ \sqrt{209} }{15}$

Cosine is positve on quadrant 1 so that cos(a)

Apply reciprocal identity sec a= 1/ cos a.

The answer is

$\sec(a) = \frac{15}{ \sqrt{209} }$

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3 years ago

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gulaghasi [49]

Answer:

Step-by-step explanation:

42 - (32 + 4) + 7 =

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