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3 years ago

5

What is 7/3×5/8×6/7=

2 answers:

Rzqust [24]3 years ago

5 0

The answer to this problem should be 1.25

Mama L [17]3 years ago

5 0

All you have to do to solve this problem is multiply the numerators, multiple the denominators, and then simplify.

NUMERATORS:
7x5x6
7x30
210

DENOMINATORS:
3x8x7
24x7
168

You now have 210/168. To simplify, find the GCF of 210 and 168. The GCF is 42. Finally, divide both numbers by the GCF and you will find the final answer.

5/4 is the answer.

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Prove :<br>sin²θ + cos²θ = 1<br><br><br>thankyou ~

Gnom [1K]

Answer:

See below

Step-by-step explanation:

Here we need to prove that ,

$\sf\longrightarrow sin^2\theta + cos^2\theta = 1$

Imagine a right angled triangle with one of its acute angle as $\theta$ .

The side opposite to this angle will be perpendicular .
Also we know that ,

$\sf\longrightarrow sin\theta =\dfrac{p}{h} \\$

$\sf\longrightarrow cos\theta =\dfrac{b}{h}$

And by Pythagoras theorem ,

$\sf\longrightarrow h^2 = p^2+b^2 \dots (i)$

Where the symbols have their usual meaning.

Now , taking LHS ,

$\sf\longrightarrow sin^2\theta +cos^2\theta$

Substituting the respective values,

$\sf\longrightarrow \bigg(\dfrac{p}{h}\bigg)^2+\bigg(\dfrac{b}{h}\bigg)^2\\$

$\sf\longrightarrow \dfrac{p^2}{h^2}+\dfrac{b^2}{h^2}\\$

$\sf\longrightarrow \dfrac{p^2+b^2}{h^2}$

From equation (i) ,

$\sf\longrightarrow\cancel{ \dfrac{h^2}{h^2}}\\$

$\sf\longrightarrow \bf 1 = RHS$

Since LHS = RHS ,

Hence Proved !

I hope this helps.

5 0

2 years ago

Factor completely.<br> 4x^3 + 12x^2 + 3x + 9

Sergio039 [100]

Answer:

(4x^2 + 3)(x + 3)

Step-by-step explanation:

Split the equation in the middle so you can factor it out:

4x^3 + 12x^2 | + 3x + 9

Then factor out:

4x^2(x + 3) | 3(x + 3)

Congrats, you completed your equation:

(4x^2 + 3)(x + 3)

5 0

3 years ago

Draw 3 rows of 10 oranges.

statuscvo [17]

We cannot help you with that, sorry

8 0

3 years ago

Read 2 more answers

Solve for X. show your work. (x+2)(x+8)=0

SOVA2 [1]

The answer to this question is X 1 = -8 X 2= -2

7 0

3 years ago

What is 10.73 in word form

Andrej [43]

Ten and seventy-three hundredths

8 0

3 years ago