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3 years ago

Brainlist if correct The value of 3over2 + 3over3 = ___.

Mathematics

2 answers:

ad-work [718]3 years ago

5 0

Answer:

15/6 or 2.5

Step-by-step explanation:

Step 1: Convert words into an expression

The value of 3over2 + 3over3 = ___.

3/2 + 3/3 = ?

Step 2: Make common denominators

3/2 * 3/3 = 9/6

3/3 * 2/2 = 6/6

Step 3: Add

9/6 + 6/6

15/6

Answer: 15/6 or 2.5

cupoosta [38]3 years ago

4 0

2 and 1/2 sinc 3 over 3 is 1 and add that to 3/2 then simplify

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3 years ago

An astronaut who weighs 174 lb on Earth weighs 29 lb on the moon. If you weigh 102 lb on Earth, how much would you weigh on the

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3 years ago

Question in picture A) 16/63 B)-16/63 C) 63/16 D) -63/16

Orlov [11]

ANSWER
$\tan(x + y) = - \frac{63}{16}$

EXPLANATION

We were given that,

$\csc(x) = \frac{5}{3}$

This implies that,

$\sin(x) = \frac{3}{5}$

We use the Pythagorean identity

$\sin^{2} (x) + \cos^{2} (x)= 1$
to get,

$\cos(x) = \sqrt{1 - ( { \frac{3}{5} })^{2}} = \frac{4}{5}$

We were also given that,

$\cos(y) = \frac{5}{13}$

This means that,

$\sin(y) = \sqrt{1 - {( \frac{5}{13}) }^{2} } = \frac{12}{13}$

This is because,

$0 < \: x \: < \frac{\pi}{2}$

$0 < \: y \: < \frac{\pi}{2}$

This angles are in the first quadrant so we pick the positive values.

$\tan(x + y) = \frac{ \sin(x + y) }{ \cos(x + y) }$

$\tan(x + y) = \frac{ \sin(x ) \cos(y) + \sin(y) \cos(x) }{ \cos(x) \cos(y) - \sin(x) \sin(y) }$

$\tan(x + y) = \frac{ \frac{3}{5} \times \frac{5}{13} + \frac{12}{13} \times \frac{4}{5} }{ \frac{4}{5} \times \frac{5}{13} - \frac{3}{5} \times \frac{12}{13} }$

$\tan(x + y) = - \frac{63}{16}$

The correct answer is D

4 0

3 years ago

Which expression means the same as “a number minus 5”?

zzz [600]

Answer:

It's the second option, a-5

6 0

3 years ago

Which of the following pairs of base and height produces the greatest area? All measurements are in centimeters.

egoroff_w [7]

B because 20 and 0.8 are the biggest

4 0

3 years ago

Read 2 more answers