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3 years ago

What is 12 divided by 8 as a fraction ( please explain)

Mathematics

2 answers:

beks73 [17]3 years ago

7 0

11/2 or 3/2, because they are more than half. Hope that this helps you ..

marysya [2.9K]3 years ago

6 0

1 1/2 or 3/2 because there is 4 more than 8 which is a half.

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Prove this trigonometric identity sin 3x/sin x - cos 3x/cos x =2

Sveta_85 [38]

Step-by-step explanation:

LHS= sin 3x/sin x - cos 3x/cosx

Taking LCM,

=sin3xcosx- cos3xsinx

sinxcosx

=sin(3x-x)

sinxcosx

= 2sin2x

2sinxcosx

= 2sin2x

sin2x

= RHS.

Proved.

8 0

3 years ago

Only number 6. ‍ ‍ ‍ ‍ ‍ ‍ ‍

djverab [1.8K]

The answer is 6, 4 divided by 2/3 =6
if you need to show your work just multiply by the reciprocal :)

6 0

2 years ago

Identify the 19th term of a geometric sequence where a1 = 14 and a9 = 358.80. Round the common ratio and 19th term to the neares

Molodets [167]

The formula of geometric sequence is expressed in the following manner:
an = a1 * r^(n-1) where r is the ratio and n is an integer.
Substituting, to find r
358.80 = 14 * r^(8)
r is equal to 1.5

hence,
a19 = 14* 1.5^(19-1)
a19 ≈ 20,690.

6 0

3 years ago

Read 2 more answers

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Tanya [424]

Does it say anything abt H

6 0

2 years ago

Read 2 more answers

Given that $x \le -7,$ identify all the correct conclusions. (A) $3x \le -21.$ (B) $3x \ge -21.$ (C) $-3x \le 21.$ (D) $-3x \ge

exis [7]

Answer:

Options A and D are correct choices.

Step-by-step explanation:

We have been given an inequality $x\leq -7$ and we are asked to find the correct options from our given choices.

Let us solve inequalities in our given options one by one to see which of these matches with our given inequality.

(A) $3x\leq -21$

$x\leq \frac{-21}{3}$

$x\leq -7$

We can see that option A gives the same answer as our given inequality, therefore, option A is the correct choice.

(B) $3x\geq -21$

$x\geq \frac{-21}{3}$

$x\geq -7$

This inequality represented in option C gives solution that x should be greater than or equal to -7, which is opposite to our given inequality, therefore, option B is incorrect.

Dividing inequality by a negative number swaps inequality sign.

$x\geq \frac{21}{-3}$

$x\geq -7$

This inequality gives solution that x should be greater than or equal to -7, which is opposite to our given inequality, therefore, option C is incorrect.

(D) $-3x\geq 21$

Dividing inequality by a negative number swaps inequality sign.

$x\leq \frac{21}{-3}$

$x\leq -7$

We can see that option D gives the same answer as our given inequality, therefore, option D is the correct choice.

8 0

3 years ago